# SailBot vs AirmarCAST™

The clearest difference is review sentiment: SailBot at 100% against AirmarCAST™'s 25%. SailBot also leads on rating (4.6 vs 2.6) and iOS requirement (11.0 vs 16). AirmarCAST™'s advantage is update cadence (every 3 months vs every 8 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

SailBot holds the better App Store score, 4.6 against 2.6. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 100% of SailBot's written reviews are positive against 25% of AirmarCAST™'s.

SailBot ships an update every 8 months, AirmarCAST™ every 3 months. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | SailBot | AirmarCAST™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/sailbot/id891801574/reviews)** | [2.6 (5 ratings)](https://appshunter.io/ios/app/airmarcast/id1492428585/reviews) |
| Number of ratings | 5 | 5 |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 22 MB | 112 MB |
| Requires iOS | **11.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Slope LLC](https://appshunter.io/developer/891801577) | [Airmar Technology Inc.](https://appshunter.io/developer/1062316789) |

## What reviewers say

### SailBot

[App page](https://appshunter.io/ios/app/sailbot/id891801574)

Automate sailing race starting signals with this advanced air horn system. Connect via Bluetooth to your iOS device to manage custom start sequences, choose from pre-set ISAF options, or create your own. Ideal for sailing schools, yacht clubs, and race committees seeking a portable and reliable solution.

**Highlights:** Bluetooth connectivity, Automated starting sequences, Customizable start sequence editing, Pre-set ISAF starting sequences, Portable and durable construction, iOS app control

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SailBot free?

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

### Is AirmarCAST™ free?

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

### Which has better reviews, SailBot or AirmarCAST™?

SailBot is rated higher. SailBot averages 4.6 out of 5 from 5 ratings, while AirmarCAST™ averages 2.6 from 5 ratings.

### Do SailBot or AirmarCAST™ have ads?

Neither SailBot nor AirmarCAST™ shows ads.

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

SailBot ships an update every 8 months, and AirmarCAST™ every 3 months. Most recently, SailBot was updated on September 29, 2026 and AirmarCAST™ on October 11, 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.*