# AirmarCAST™ vs SIMARINE

The clearest difference is update cadence: SIMARINE at every 3 weeks against AirmarCAST™'s every 3 months. SIMARINE also leads on iOS requirement (12.2 vs 16). AirmarCAST™'s advantage is review sentiment (25% vs 8%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

AirmarCAST™ ships an update every 3 months, SIMARINE every 3 weeks. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | AirmarCAST™ | SIMARINE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/airmarcast/id1492428585/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **25.0% of reviews** | 8.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 112 MB | 120 MB |
| Requires iOS | 16 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Airmar Technology Inc.](https://appshunter.io/developer/1062316789) | [SIMARINE](https://appshunter.io/developer/1217159038) |

## What reviewers say

### AirmarCAST™

[App page](https://appshunter.io/ios/app/airmarcast/id1492428585)

Configure and calibrate your boat's Bluetooth-enabled multisensors and modules directly from your mobile device. View real-time data on detailed gauges and perform advanced calibrations for speed, temperature, and attitude without extra hardware.

**Highlights:** Bluetooth sensor connection, Real-time data display, Intuitive navigation, Speed, temperature, attitude calibration, On-board GPS speed comparison, Advanced speed calibration wizards

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

**In-app purchases:** none


### SIMARINE

[App page](https://appshunter.io/ios/app/simarine/id1587666762)

Monitor your boat's power consumption and tank levels with this application. Adjust settings and update your hardware remotely for seamless vessel management.

**Highlights:** Monitor power usage, Monitor tank levels, Adjust settings, Update hardware

**In-app purchases:** none


## Frequently asked questions

### Is AirmarCAST™ free?

AirmarCAST™ is free to download, with no in-app purchases.

### Is SIMARINE free?

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

### Do AirmarCAST™ or SIMARINE have ads?

Neither AirmarCAST™ nor SIMARINE shows ads.

### Which is updated more often, AirmarCAST™ or SIMARINE?

AirmarCAST™ ships an update every 3 months, and SIMARINE every 3 weeks. Most recently, AirmarCAST™ was updated on October 11, 2026 and SIMARINE on October 21, 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.*