Loner Mobile vs Auth0 Guardian
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Loner Mobile
This app monitors the safety of lone workers by tracking their location and status. It features an SOS alert, a check-in timer, and can detect if a worker is incapacitated. Alerts are sent to a live monitoring team in case of an emergency.
- SOS alert with silent option
- Configurable check-in timer
- Man down detection
- Location tracking (GPS/Wi-Fi)
- Works with Bluetooth accessories
- GDPR compliant data control
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Loner Mobile is a lone worker safety monitoring app for iPhone. Compliant with GDPR, all data remains under the control of your organization and not shared with third parties. Blackline currently monitors 60,000+ employees in 50+ countries around the world. HOW IT WORKS Businesses use Loner Mobile to monitor the safety of employees who work beyond sight and sound of others. Free to download on iOS. Each Loner Mobile app is registered with an organization-level Blackline Live account and requires a service plan (see Get Started section). HIGHLY CONFIGURABLE Loner Mobile is highly configurable and monitors worker safety through a check-in timer, no-motion (man down) detection and works with several Bluetooth accessories that provide wearable access to a physical SOS button. Loner Mobile runs in the background and connects to the Blackline Safety Cloud, reporting safety status and location information. Should an emergency occur, Loner Mobile triggers an alert to a live monitoring team to direct help to the employee’s location. Live monitoring team options include supervisors, a control room, central monitoring station or Blackline’s 24/7 in-house Safety Operations Center / Alarm Receiving Center partner. LONE WORKER FEATURES Customizable for a broad range of scenarios, Loner Mobile is configured from the Blackline Safety Cloud. - Works with iPhone, iPad - Works with Wi-Fi and cellular connectivity - Call for help using the SOS alert slider (incl. silent SOS option) - Use optional Bluetooth accessories for a physical SOS button - Confirm your safety using the configurable check-in timer - Use automatic check-in when driving (configurable speed) - Location technology includes Wi-Fi and GPS (configurable reporting interval) - Notify supervisors of an alert through SMS and email ENTERPRISE-GRADE CLOUD SOFTWARE Blackline Live is accessible from any internet-connected device and includes configuration management, emergency response management, data analytics and industrial tools. - User access controls for tight data control and privacy (GDPR compliant) - Configure Loner Mobile apps in real-time, wirelessly / over-the-air - Configuration profiles update every device simultaneously and consistently - Emergency response management using world-leading online tools - Custom, fully documented emergency response protocols - Alert profiles ensure that every alert is managed and escalated to the correct contacts - Optional 24/7 live monitoring by Blackline’s in-house Safety Operations Center or Alarm Receiving Centre partners - Blackline’s SOC responds are alerts in less than a minute 99% of the time - Every alert is fully documented for reporting SERVICE PLANS Loner Mobile is free to download but must be activated within an organization account in Blackline’s cloud-hosted safety monitoring software. Loner Mobile requires a service plan and purchase of a software license. Service plans include Blackline Safety Cloud data storage, Loner Mobile configuration management, emergency response management and data analytics. Live 24/7 Blackline monitoring services are optional. GET STARTED Contact Blackline Safety to request an activation code. North American and international: support@blacklinesafety.com, +1 403 451 0327 United Kingdom and Europe: eusupport@blacklinesafety.com, +44 1787 222684
Auth0 Guardian
This app provides multi-factor authentication by sending push notifications to your device for easy approval or denial of account access. It can also generate one-time passwords for secure logins.
- Push notification authentication
- Allow/deny account access
- One-time password generation
- Multi-factor authentication
- Secure login
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Auth0 Guardian is a mobile app that can deliver push notifications to a user’s pre-registered device (typically a mobile phone or tablet) from which a user can immediately allow or deny account access via the press of a button. It can also generate one-time passwords if that is preferred. Note for developers: Auth0 Guardian is one of the multi factor authentication options that can be used within the Auth0 identity platform (https://auth0.com). You can enable it with a single switch. You don’t have to change your apps to start supporting multi factor authentication.
Screenshots
Verdict
The clearest difference is rating: Loner Mobile at 3.7 against Auth0 Guardian's 2.4. Loner Mobile also leads on review sentiment (33% vs 14%). Auth0 Guardian's advantage is ratings volume (116 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Loner Mobile holds the better App Store score, 3.7 against 2.4. That said, the two scores are not equally well evidenced: Auth0 Guardian has 116 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Loner Mobile's written reviews are positive against 14% of Auth0 Guardian's.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.
| Parameter | Loner Mobile | Auth0 Guardian |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | 2.4 (116 ratings) |
| Positive reviews | 33.3% of reviews — better | 14.3% of reviews |
| Number of ratings | 3 | 116 — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 48 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Blackline Safety Corp | Auth0 |
Customer experience
Loner Mobile
Auth0 Guardian
Bugs and requests
Loner Mobile
Not enough reviews yet to summarise bugs or requests.
Auth0 Guardian
Reported bugs
37 issues- Notifications not working properly on iPhone iOS
- Limited notification configuration settings
- Apple Watch notification not working
- Push notifications not working
- New update broke Apple Watch approvals
Show 32 moreShow fewer
- Cannot approve MFA with Apple Watch
- Cannot long press on push notification to approve login
- Push Notification not working
- Push notifications stopped working
- Update fixed push notifications, now requires manual code entry
- New update still no notification sounds
- Receiving same code for different accounts
- iPhone does not show all numbers
- Only shows 4 numbers, need to copy and paste to see all
- Cannot see all 6 digits after update
- Cannot see ALL 6 numbers to log onto computer
- New phone transfer issues
- App did not transfer over to new phone
- QR code does not exist for new phone setup
- Won't let me transfer my account to a different phone
- Notifications are not working
- No notification sound
- No sound when notification comes up
- No sound with the notification
- Confirmations never come up, have to go into the app for codes
- App prompts to start without instructions, link, or QR code
- App did not transfer well and was unusable on new phone
- Cannot install application on telephone
- Poor migration, no way to migrate Authenticator app to a new device
- Doesn't work—won't scan any QR code’s
- Confirmation page doesn’t show immediately
- Crashes immediately upon launch
- Unable to remove tokens
- Push authorization no longer works, app just turns off
- Client won’t even open
- App doesn't launch
- Always crashes on startup
Requested features
12 requests- Allow account transfer to another phone
- Create a feature to transfer connected accounts to the same app on another phone
- Add watch capability
- Needs a watch version
- Add Apple Watch notification support
Show 7 moreShow fewer
- Restore Apple Watch approval
- Restore lock screen approval
- Add sound to notifications
- Allow users to see all 6 digits on iPhone
- Improve app startup process
- Provide instructions or QR code for initial setup
- Allow deletion of retired tokens
In-app purchases
Loner Mobile
No in-app purchases
Auth0 Guardian
No in-app purchases
Questions
Is Loner Mobile free?
Is Auth0 Guardian free?
Which has better reviews, Loner Mobile or Auth0 Guardian?
Do Loner Mobile or Auth0 Guardian have ads?
Which is updated more often, Loner Mobile or Auth0 Guardian?
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