HVLO

Stay connected. Stay safe.

Personal safety built for real life. HALO gives you simple ways to stay connected with the people you trust. Whether you're traveling, heading to a festival, exploring a theme park, or just getting out. You decide when to connect, who to connect with, and when sharing ends.

• Terms and Conditions
• Privacy Policy

HVLO — Privacy PolicyEffective date: July 23, 2026HVLO (“HVLO,” “we,” “us,” or “our”) is a mobile application operated by Gray Matr, LLC. HVLO helps people stay connected with trusted groups through SOS alerts, temporary LINK location sharing, Rally Points, group messaging, maps, and related safety coordination features.This Privacy Policy describes how HVLO handles information when you use the HVLO iOS app and related services. It also covers how we use SMS text messaging (including through Twilio) and Apple Push Notifications (APNs).We do not sell your personal information. We do not sell, rent, or share mobile phone numbers or SMS opt-in data with third parties or affiliates for marketing or promotional purposes.1. Summary
HVLO is a personal safety and group coordination app—not a social network and not a replacement for 911 or emergency services.We collect only what we need to operate accounts, groups, safety alerts, maps, messages, and notifications.Location is shared only when you use features that require it (for example SOS, LINK, Rally Point, or map display), and only with the groups or recipients those features involve.We prefer in-app alerts and Apple Push Notifications. SMS is used for verification, invites, emergency/safety fallbacks, and non-app contacts when appropriate and consented.We do not sell personal data. Mobile information is not shared with third parties or affiliates for their marketing or promotional purposes.Message and data rates may apply to SMS. Message frequency varies (see Section 8).2. Information we collect
Depending on how you use HVLO, we may collect or process:Account and identity
- Phone number (in E.164 format) used to create and verify your account
- Display name and profile details you provide
- Authentication identifiers (for example Amazon Cognito user IDs)
- Optional email if you provide one for fallback notifications
- Groups, invites, and membership
- Group names and membership
- Invite tokens, invite codes, invite links, and invite status
- Phone numbers or emails you enter when inviting others
- Member permission and notification preferences (for example whether a member may receive SOS or SMS fallback)Location
Precise location when you grant permission and use map, SOS, LINK, Rally Point, or related featuresLocation accuracy, timestamps, and related session metadata during active SOS or LINK sessionsRally Point coordinates you sendMessages and safety eventsGroup messages you send or receiveSystem safety event records (SOS started/ended/acknowledged, LINK invites/alerts, Rally Point events)Delivery and acknowledgment status for safety alerts where availableDevices and notificationsApple Push Notification device tokensDevice and app version information needed for delivery and troubleshootingNotification preferences (push, SMS fallback, email fallback, SOS alert style, sound, vibration, repeat alerts)SMS and verificationPhone numbers used for Twilio Verify one-time passcodesSMS delivery logs needed to operate and troubleshoot messaging (for example channel, status, timestamps)Opt-in / opt-out status for SMS where applicableSupportEmail address and message contents if you contact us for support or privacy requestsWe do not require profile photos for core functionality. We do not use your data for third-party advertising networks.3. How we use informationWe use information to:
- Create and secure your account (including phone verification)
- Operate groups, invites, invite codes, and invite links
- Send and display SOS, LINK, Rally Point, and message alerts
- Show maps and coordinate meetup locations
- Deliver Apple Push Notifications and, when needed, SMS or email fallbacks
- Enforce rate limits and reduce abuse
- Provide customer support
- Maintain security, reliability, and legal compliance
- Improve product reliability and safety workflows
- We do not use personal information for third-party targeted advertising, and we do not sell personal information.4. Location privacyHVLO is designed around explicit, situational location sharing:No hidden tracking. We do not secretly track users.No passive always-on tracking for marketing or unrelated purposes.SOS shares the sender’s location after the sender starts SOS, with the active group (and eligible SMS/email fallback recipients).LINK shares location only after participants explicitly accept a LINK invite, and only for that session’s duration and group.Rally Point shares a meetup pin you choose to send.Active sharing is indicated in-app (for example SOS ACTIVE or LINK ACTIVE banners).You can stop sharing. Ending SOS may require device authentication (Face ID / Touch ID / passcode) as implemented in the app.Location data is retained only as long as needed to operate the feature and meet retention practices described in Section 10.5. Apple Push Notifications (APNs)With your permission, HVLO uses Apple Push Notifications to alert you about time-sensitive events such as:SOS emergenciesLINK invitations and alertsRally PointsGroup messages and related system eventsYou can manage notification permissions in iOS Settings → Notifications → HVLO, and in HVLO notification preferences.Push notification content may be visible on a locked device screen. Avoid relying on lock-screen previews for information you do not want others nearby to see.HVLO prefers APNs for app users. SMS is generally not used for app users with a valid push token unless SMS fallback is enabled or delivery conditions require it.6. SMS text messaging (Twilio)HVLO uses SMS (including Twilio Verify and Twilio Programmable Messaging) for limited, functional messaging—not marketing blasts.Types of SMS you may receiveAccount verification — one-time passcodes to verify your phone number.Group invitations — invites to join a trusted group, which may include a download / App Store link and/or an invite code or secure invite link so recipients without the app can install HVLO and join.Emergency / safety alerts — SOS alerts (especially for non-app contacts or when SMS fallback applies), which may include sender name, approximate location/coordinates, map links, timestamp, and a disclaimer that HVLO does not contact 911.Rally Point notices — meetup location details and map links for eligible recipients without the app or when SMS delivery applies.LINK-related install invites — for contact-only / non-app members, an optional SMS inviting them to download HVLO to participate (LINK itself requires the app).SMS fallback — when push delivery is unavailable/stale and SMS fallback is enabled, or when a recipient is a phone contact without the app.Message and data rates may apply. Carrier charges are your responsibility.Message frequency varies. You may receive messages when you verify your phone, when someone invites you, during SOS or Rally Point events, and when SMS fallback conditions apply. Frequency is event-driven and may be higher during emergencies or active safety sessions.Mobile information sharing statement (carrier / Twilio requirement)We do not sell, rent, or share your mobile phone number, SMS opt-in information, or text-messaging consent with third parties or affiliates for their marketing or promotional purposes. We share phone numbers with service providers only as needed to deliver the messaging and verification services you request or enable (for example Twilio for SMS delivery and verification), subject to this Privacy Policy.7. SMS opt-in, HELP, and STOPHow you opt inYou may opt in to HVLO SMS in one or more of the following ways:Providing your phone number and completing phone verification in the HVLO appEnabling SMS fallback / SMS-related notification preferences in HVLOAccepting a group invitation after being informed that membership may include SOS, LINK, Rally Point, and related alerts (including SMS for non-app or fallback delivery where applicable)Affirmatively requesting or confirming SMS delivery in an invite or onboarding flow that discloses message purpose, frequency, rates, and STOP/HELP instructionsConsent is not obtained through pre-checked boxes. Providing a phone number for verification or accepting SMS-related settings constitutes agreement to receive the functional messages described above.By opting in, you agree to receive HVLO SMS messages as described in this Privacy Policy and the HVLO Terms & Conditions. Message and data rates may apply. Message frequency varies. Reply STOP to cancel. Reply HELP for help.Opt outText STOP, STOPALL, UNSUBSCRIBE, CANCEL, END, or QUIT to the HVLO messaging number to opt out of SMS.After opting out, you will receive a confirmation and should no longer receive HVLO SMS (except any legally required notices, if applicable).You may also disable SMS fallback in HVLO notification settings and/or leave groups that generate alerts.Opting out of SMS does not automatically delete your HVLO account. Use in-app account controls or contact support to request account deletion where available.Helpemail: [email protected]8. Who we share information withWe may share information with:Service providers who help us operate HVLO, such as:Amazon Web Services / AWS Amplify (backend, authentication, data storage)Twilio (phone verification and SMS delivery)Apple (App Store distribution, In-App Purchases/subscriptions, APNs)Group members and invite recipients you choose to interact with (for example shared location during SOS/LINK, Rally Point pins, messages, and invite details)Authorities or others when required by law, to protect rights and safety, or in connection with a legal requestWe do not share personal information with data brokers for sale. We do not share mobile numbers with third parties for their marketing.9. Purchases and subscriptionsHVLO may offer paid features or subscriptions through Apple In-App Purchase / StoreKit. Apple processes payments. We do not receive your full payment card number. Purchase and subscription status may be used to unlock features. Apple’s terms and privacy policy also apply.10. RetentionWe retain information only as long as reasonably necessary to provide HVLO, maintain security, resolve disputes, and comply with law. Typical product retention targets include (and may be adjusted as the product evolves):Pending group invites: expire (for example after 72 hours if unused)Invite records after final status: limited retention windowSOS location events: limited retention (for example on the order of weeks)LINK location events: shorter retention (for example on the order of days)Rally Point records: expire based on feature TTL, then limited retentionMessages and notification delivery logs: limited retentionAudit logs: longer retention for security and complianceWe do not retain live location indefinitely after sessions end.11. SecurityWe use administrative, technical, and organizational measures designed to protect information, including authenticated APIs, server-side secrets for providers like Twilio and APNs, and least-privilege access patterns. No method of transmission or storage is 100% secure. You are responsible for protecting your device, passcode, and account access.12. Children’s privacyHVLO is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe a child under 13 has provided personal information, contact us and we will take reasonable steps to delete it.13. Your choices and rightsDepending on where you live, you may have rights to access, correct, delete, or restrict certain personal information. You can:Manage notification and SMS fallback preferences in the appRevoke location or notification permissions in iOS SettingsLeave groups or stop SOS/LINK sharing in-appReply STOP to SMSContact us to request support or deletion assistanceWe do not discriminate against you for exercising privacy rights where those rights apply.14. Third-party services and linksHVLO may include links to map providers (for example Apple Maps or Google Maps links in SMS) or the App Store. Third-party sites and services have their own privacy practices. Apple’s privacy policy is available at https://www.apple.com/legal/privacy/. Twilio’s privacy policy is available on Twilio’s website.15. International users
HVLO is operated by Gray Matr, LLC from the United States. If you use HVLO from outside the United States, you understand that information may be processed in the United States.16. Changes
We may update this Privacy Policy from time to time. We will update the effective date above when we do. Continued use of HVLO after an updated Privacy Policy is posted means you acknowledge the updated policy.Public copy (intended hosting URL for App Store / Twilio registration):
https://haloapp.carrd.co/#privacy17. Contact us
Questions about this Privacy Policy or HVLO privacy practices:Gray Matr, LLC
Email: [email protected]You may also use the support contact shown on HVLO’s Apple App Store listing.© Gray Matr, LLC. All rights reserved.

Terms & Conditions
Effective date: July 23, 2026These Terms & Conditions (“Terms”) govern your access to and use of HVLO, including the HVLO mobile application, websites, SMS messaging, and related services (collectively, “HVLO,” the “App,” “we,” “us,” or “our”), operated by Gray Matr, LLC.By downloading, accessing, creating an account, verifying a phone number, opting in to SMS, or using HVLO, you agree to these Terms. If you do not agree, do not use HVLO.Your use of HVLO is also governed by our Privacy Policy: https://hvlo.app/privacy1. What HVLO isHVLO is a personal safety, emergency communication, temporary group location-sharing, and group coordination app. Core features may include:SOS — send an emergency alert and share live location with your active groupLINK — temporary, consent-based location sharing with a group radiusRally Point — share a meetup location pinGroups — create and manage trusted groups and invitesMessages — group and system safety messagingMap — location awareness for coordinationNotifications — Apple Push Notifications and limited SMS / email fallbacksSMS — verification, invites (including download links and join codes), and emergency/safety messages for eligible recipientsHVLO should feel simple, fast, and trustworthy. It is not a social network.2. Not a replacement for emergency servicesHVLO is not a replacement for 911, EMS, law enforcement, dispatch, or any emergency service.Required disclaimer:This app notifies your selected contacts and shares your location. It does not contact 911 or guarantee emergency response.You are solely responsible for contacting emergency services when needed. HVLO does not guarantee that alerts will be received, read, or acted upon by any recipient, or that location data will be accurate, timely, or available in all conditions (including poor GPS, network outages, low battery, denied permissions, or device settings).3. Eligibility and accountsYou must be at least 13 years old to use HVLO. If you are under the age of majority where you live, you may use HVLO only with permission from a parent or legal guardian.HVLO uses phone-first authentication. You agree to provide an accurate phone number you are authorized to use and to complete verification (including one-time passcodes sent by SMS).You are responsible for activity under your account and for keeping your device secure.You may not create accounts by automated means or share accounts in a way that compromises security or violates these Terms.4. Acceptable useYou agree not to:Use HVLO for any unlawful, harmful, fraudulent, abusive, harassing, or unauthorized purposeSend false, prank, or malicious SOS / emergency alertsInvite or message people without a legitimate relationship or appropriate consent contextAttempt to track, stalk, or surveil anyone without lawful authority and their applicable consentInterfere with, reverse engineer, scrape, or disrupt HVLO, its APIs, or security featuresBypass rate limits, abuse invite codes, or attempt unauthorized access to accounts or dataUpload malware or attempt to compromise other users’ devices or privacyUse HVLO to spam, market, or advertise without authorizationViolate intellectual property, privacy, publicity, or other rightsWe may suspend or terminate access if we believe you violated these Terms or misused the App.5. Groups, invites, and your responsibility to recipientsWhen you create groups or invite others, you are responsible for:Inviting only people who have a legitimate reason to be in your trusted groupUnderstanding that members may receive SOS alerts, LINK invitations, Rally Points, messages, and related notificationsProviding accurate phone numbers / emails for invitesRespecting that contact-only / non-app members may receive SMS invites or safety fallbacks but cannot fully participate in app-only features (such as LINK) until they install HVLO, verify a phone number, and acceptInvite methods may include:In-app invites to existing usersSMS invites with a download link and/or join code / secure invite linkShareable invite linksInvite codes entered in the appInvites may expire, be revoked, accepted, or declined as implemented in the product.6. Location features (SOS, LINK, Rally Point, Map)Location permissions are required for core safety map features. Without location access, many features cannot work as designed.LINK requires explicit acceptance before a participant’s location is shared for that session.SOS shares the sender’s location after the sender initiates SOS.Rally Point shares a pin you choose to send.Ending SOS may require biometric or device passcode confirmation as implemented in the app.Background location, SOS, and LINK can increase battery use.You agree to use location sharing lawfully and only with people who should receive it.7. Apple Push NotificationsHVLO may request permission to send Apple Push Notifications for SOS, LINK, Rally Point, messages, and related alerts. You can disable notifications in iOS Settings, but doing so may cause you to miss time-sensitive safety information. HVLO prefers push notifications for app users whenever possible.8. SMS terms (Twilio / carrier compliance)HVLO sends SMS for functional safety, verification, and invite purposes—not for advertising campaigns.Program descriptionHVLO SMS may include:Phone verification one-time passcodesGroup invitation messages, including App Store / download links and join codes or invite links for people who do not yet have the appEmergency SOS alerts (especially for non-app recipients or SMS fallback), which may include location/map links and a 911 disclaimerRally Point meetup notices with map linksOptional install invites related to LINK or group participation for non-app contactsSMS fallback when push notifications are unavailable and fallback is enabledMessage and data rates may apply.
Message frequency varies and is event-driven (verification, invites, emergencies, rally points, and fallback conditions). You may receive multiple messages during an active emergency or invite workflow.Consent / opt-inBy providing your phone number for HVLO verification, enabling SMS-related settings, or otherwise affirmatively opting in through an HVLO consent flow, you consent to receive HVLO SMS messages described in these Terms and the Privacy Policy.Consent is not obtained via pre-checked boxes. HVLO does not sell mobile opt-in data.We do not share mobile phone numbers or SMS consent with third parties or affiliates for their marketing or promotional purposes.HELP and STOPReply STOP to cancel SMS.Reply HELP for help.Support email: [email protected]Supported opt-out keywords generally include STOP, STOPALL, UNSUBSCRIBE, CANCEL, END, and QUIT. Supported help keywords generally include HELP and INFO.Carriers are not liable for delayed or undelivered messages.9. Subscriptions and App Store termsHVLO may offer free features, trials, paid features, or subscriptions. On Apple devices, purchases are processed by Apple. Subscription renewals, cancellations, and refunds are handled under Apple’s rules and policies unless required otherwise by law.If you download HVLO from the Apple App Store, Apple’s applicable terms may also apply. If these Terms conflict with mandatory Apple terms, Apple’s terms control to the extent required.10. Intellectual propertyHVLO’s name, branding, logos, design, software, user interface, features, and related materials are owned by Gray Matr, LLC or its licensors and are protected by applicable intellectual property laws.You may use HVLO only for personal, lawful use in accordance with these Terms. You retain rights to content you create (such as messages you send), and you grant Gray Matr, LLC a limited license to host, transmit, and display that content solely to operate HVLO features you use.11. Third-party servicesHVLO relies on third-party services such as Apple (App Store, APNs, StoreKit), AWS Amplify / Amazon Web Services, Twilio (Verify and SMS), and map link providers. Your use of those services may be subject to their terms and privacy policies. We are not responsible for third-party outages or changes outside our reasonable control.12. DisclaimersHVLO is provided “as is” and “as available.” To the fullest extent permitted by law, we disclaim all warranties, express or implied, including merchantability, fitness for a particular purpose, availability, accuracy, and uninterrupted or error-free operation.We do not warrant that:Notifications (push, SMS, or email) will always be delivered or timelyLocation will always be preciseRecipients will respondThe App will function in all network or device conditionsHVLO will prevent harm, loss, or emergencies13. Limitation of liabilityTo the fullest extent permitted by law, Gray Matr, LLC and its owners, developers, employees, contractors, licensors, and affiliates will not be liable for indirect, incidental, special, consequential, exemplary, or punitive damages arising from or related to your use of HVLO, including any failure of alerts, location sharing, SMS, or push notifications.To the fullest extent permitted by law, our total liability for any claim related to HVLO will not exceed the amount you paid to Gray Matr, LLC to use HVLO during the twelve months before the claim arose, or $50, whichever is greater.Some jurisdictions do not allow certain limitations; in those cases, the limits apply to the maximum extent permitted.14. IndemnityYou agree to defend and indemnify Gray Matr, LLC and its affiliates from claims arising out of your misuse of HVLO, your violation of these Terms, your unlawful tracking or messaging of others, or your invitation of recipients without appropriate authority or consent context—except to the extent caused by our willful misconduct where such limitation is not permitted by law.15. TerminationWe may suspend or terminate access if you violate these Terms, create risk, or misuse the App. You may stop using HVLO at any time by deleting the App and requesting account deletion where available. Provisions that should survive (including disclaimers, limitations of liability, and governing law) will survive termination.16. ChangesWe may update, modify, suspend, or discontinue any part of HVLO at any time. We may update these Terms from time to time and will update the effective date when we do. Continued use after updated Terms are posted means you accept the updated Terms.Public copy (intended hosting URL for App Store / Twilio registration):
https://haloapp.carrd.co/#terms17. Governing lawThese Terms are governed by the laws of the State of Nevada, without regard to conflict of law principles, except where applicable consumer protection laws require otherwise.18. ContactGray Matr, LLC
Email: [email protected]© Gray Matr, LLC. All rights reserved.