# AirmarCAST™ vs AIS Explorer

The clearest difference is rating: AIS Explorer at 5.0 against AirmarCAST™'s 2.6. AIS Explorer also leads on update cadence (every 4 weeks vs every 3 months). AirmarCAST™'s advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. AIS Explorer sells 3 in-app purchases, starting at $49.00 per month. AirmarCAST™ asks for nothing beyond the download.

AIS Explorer holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

AirmarCAST™ ships an update every 3 months, AIS Explorer every 4 weeks. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | AirmarCAST™ | AIS Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/airmarcast/id1492428585/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ais-explorer/id1670774413/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 112 MB | 46 MB |
| Requires iOS | 16 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Airmar Technology Inc.](https://appshunter.io/developer/1062316789) | [PredictWind Limited](https://appshunter.io/developer/477048590) |

## 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


### AIS Explorer

[App page](https://appshunter.io/ios/app/ais-explorer/id1670774413)

Track ships and yachts globally in real-time with advanced satellite and terrestrial AIS receivers. Offers vessel search, favorites, port of call details, and integrated weather forecasts with routing for ETAs. Provides comprehensive satellite AIS data.

**Highlights:** Real-time Satellite AIS, Real-time Terrestrial AIS, Search Vessels, Save To Favourites, Last Port of Call, Advanced Weather Forecasts, Weather Routing - ETA

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AIS Pro monthly | $49.00 | per month |
| AIS Pro 3 monthly | $99.00 | per 3 months |
| AIS Pro Annual | $249.00 | per year |


## Frequently asked questions

### Is AirmarCAST™ free?

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

### Is AIS Explorer free?

AIS Explorer is free to download, with in-app purchases available.

### Which has better reviews, AirmarCAST™ or AIS Explorer?

AIS Explorer is rated higher. AirmarCAST™ averages 2.6 out of 5 from 5 ratings, while AIS Explorer averages 5.0 from 3 ratings.

### Do AirmarCAST™ or AIS Explorer have ads?

AIS Explorer shows ads; AirmarCAST™ does not.

### Which is updated more often, AirmarCAST™ or AIS Explorer?

AirmarCAST™ ships an update every 3 months, and AIS Explorer every 4 weeks. Most recently, AirmarCAST™ was updated on September 8, 2026 and AIS Explorer on September 10, 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.*