Nautic Alert vs TMG BT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nautic Alert
Monitor and manage your boat or fleet with real-time tracking, security, and communication. Receive instant notifications for events via text, email, or voice calls. Integrates with standard security sensors and relays for comprehensive control.
- Real-time boat and fleet tracking
- 2-way communication (cellular/satellite)
- Security sensor integration
- Device control and management
- Push notifications for events
- Global reach
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Boat and Fleet Tracking, Security, Monitoring and Communication on one Platform. Keep in touch with your boat or fleet with the Nautic Alert mobile app using 2-way real-time communication across cellular and satellite networks for a global reach. Built to operate with all Nautic Alert products and standard market security sensors and relays to control and manage devices. Provides on demand real-time information and enables push notifications from your boat or fleet to your mobile devices. Event notifications can be received via text, email, and voice calls.
TMG BT
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TMG BT application communicate over BLE with The Marine Guardian (TMG) boat tracking and monitoring device. User can control the output sensors with the help of TMG BT application, this application will work with only TMG devices. How to Use : - First Open the application and register user - Add Device IMEI visible on the TMG Device and enter name of device to access the device over BLE. - Once the Device is visible in list if device is available then we will be able to connect to devices and use below listed features. Features: - Current status of output and Input sensors - Controlling(Turn On/Off) the output on device - Communicating with TMG device
Screenshots
Verdict
The clearest difference is update cadence: Nautic Alert at fortnightly against TMG BT's monthly. Nautic Alert also leads on iOS requirement (12.2 vs 14.0). On price, ads, in-app purchases and device support 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.
Nautic Alert ships an update fortnightly, TMG BT monthly. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.
| Parameter | Nautic Alert | TMG BT |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.2 — better | 14.0 |
| Further details — not scored | ||
| Size | 107 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | Market Spectrum, Inc | The Marine Guadian LLC |
In-app purchases
Nautic Alert
No in-app purchases
TMG BT
No in-app purchases
Questions
Is Nautic Alert free?
Is TMG BT free?
Do Nautic Alert or TMG BT have ads?
Which is updated more often, Nautic Alert or TMG BT?
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