# Sensar Marine vs Trap Timer

The clearest difference is update cadence: Trap Timer at weekly against Sensar Marine's every 6 weeks. Sensar Marine's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sensar Marine ships an update every 6 weeks, Trap Timer weekly. The most recent releases landed on June 8, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Sensar Marine | Trap Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sensar-marine/id1445189707/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 66 MB | 17 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sensar Marine AS](https://appshunter.io/developer/1445189706) | [Sub Sea Sonics](https://appshunter.io/developer/1792265332) |

## What reviewers say

### Sensar Marine

[App page](https://appshunter.io/ios/app/sensar-marine/id1445189707)

This app provides 24/7 monitoring of your boat's critical systems, sending SMS alerts for issues like battery changes, water levels, or bilge pump activity. It also automatically records trip data including position, speed, and heading, making boat management convenient.

**Highlights:** 24/7 boat system monitoring, Critical system alerts via SMS, Historical vitals and trip data, Geofence breach notifications, Automatic trip data recording, Boat overview on mobile

**Features:** macOS Compatibility

**In-app purchases:** none


### Trap Timer

[App page](https://appshunter.io/ios/app/trap-timer/id6740922725)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sensar Marine free?

Sensar Marine is free to download, with no in-app purchases.

### Is Trap Timer free?

Trap Timer is free to download, with no in-app purchases.

### Do Sensar Marine or Trap Timer have ads?

Neither Sensar Marine nor Trap Timer shows ads.

### Which is updated more often, Sensar Marine or Trap Timer?

Sensar Marine ships an update every 6 weeks, and Trap Timer weekly. Most recently, Sensar Marine was updated on June 8, 2026 and Trap Timer on August 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*