# AirmarCAST™ vs Iridium GO! exec

AirmarCAST™ and Iridium GO! exec both sit at 2.6 stars, but that hides the real split: 25% of AirmarCAST™'s written reviews are positive against 0% of Iridium GO! exec's. AirmarCAST™ also leads on iOS requirement (16 vs 18.0). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 2.6 for AirmarCAST™ against 2.5 for Iridium GO! exec. Both are backed by a comparable volume of ratings — 5 and 10 respectively. Written reviews are what separate them: 25% of AirmarCAST™'s written reviews are positive against 0% of Iridium GO! exec's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | AirmarCAST™ | Iridium GO! exec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/airmarcast/id1492428585/reviews)** | [2.5 (10 ratings)](https://appshunter.io/ios/app/iridium-go-exec/id6443819537/reviews) |
| Number of ratings | 5 | **10** |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 112 MB | 143 MB |
| Requires iOS | **16** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Airmar Technology Inc.](https://appshunter.io/developer/1062316789) | [Iridium](https://appshunter.io/developer/634954979) |

## 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


### Iridium GO! exec

[App page](https://appshunter.io/ios/app/iridium-go-exec/id6443819537)

This companion app enables satellite connectivity for your smart devices, allowing for select email, chat, social media, weather, and light web browsing. It also provides access to two high-quality voice lines and an SOS feature for emergencies.

**Highlights:** Satellite voice and data connections, Two high-quality voice lines, SOS emergency feature, Connection Manager for data usage control, Preconfigured firewall settings for apps, Quick dial list for 10 contacts

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AirmarCAST™ free?

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

### Is Iridium GO! exec free?

Iridium GO! exec is free to download, with no in-app purchases.

### Which has better reviews, AirmarCAST™ or Iridium GO! exec?

AirmarCAST™ is rated higher. AirmarCAST™ averages 2.6 out of 5 from 5 ratings, while Iridium GO! exec averages 2.5 from 10 ratings.

### Do AirmarCAST™ or Iridium GO! exec have ads?

Neither AirmarCAST™ nor Iridium GO! exec shows ads.

### Which is updated more often, AirmarCAST™ or Iridium GO! exec?

AirmarCAST™ ships an update every 3 months, and Iridium GO! exec every 3 months. Most recently, AirmarCAST™ was updated on October 11, 2026 and Iridium GO! exec 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.*