# AMSA Pilot vs iThrottle BTX

The clearest difference is update cadence: iThrottle BTX at every 2 months against AMSA Pilot's every 4 months. AMSA Pilot's advantage is iOS requirement (12.0 vs 15.6). 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.

AMSA Pilot ships an update every 4 months, iThrottle BTX every 2 months. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AMSA Pilot | iThrottle BTX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 61 MB | 31 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Australian Maritime Safety Authority](https://appshunter.io/developer/589667320) | [iThrottle Australia Pty Ltd](https://appshunter.io/developer/6797408323) |

## What reviewers say

### AMSA Pilot

[App page](https://appshunter.io/ios/app/amsa-pilot/id1215560055)

This app facilitates reporting of suspected non-compliance with maritime pilot transfer requirements to the Australian Maritime Safety Authority. It also provides access to essential information resources and allows for general marine safety concerns to be reported.

**Highlights:** Report suspected non-compliance with pilot transfer requirements, Access SOLAS and ISO requirements information, View IMO Pilot Boarding Poster and Resolutions, Access relevant Marine Notices, Report general marine safety concerns, Access user agreement

**Features:** macOS Compatibility

**In-app purchases:** none


### iThrottle BTX

[App page](https://appshunter.io/ios/app/ithrottle-btx/id6797407931)

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

**In-app purchases:** none


## Frequently asked questions

### Is AMSA Pilot free?

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

### Is iThrottle BTX free?

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

### Do AMSA Pilot or iThrottle BTX have ads?

Neither AMSA Pilot nor iThrottle BTX shows ads.

### Which is updated more often, AMSA Pilot or iThrottle BTX?

AMSA Pilot ships an update every 4 months, and iThrottle BTX every 2 months. Most recently, AMSA Pilot was updated on October 10, 2026 and iThrottle BTX on October 5, 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.*