# StarPilot vs ACR Product App

The clearest difference is review sentiment: StarPilot at 75% against ACR Product App's 22%. StarPilot also leads on rating (4.9 vs 1.7) and iOS requirement (12.0 vs 15.0). ACR Product App's advantage is price (Free vs $49.99) and ratings volume (36 vs 8). On update cadence, ads, in-app purchases and device support there is nothing between them.

ACR Product App is free to download; StarPilot costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

StarPilot holds the better App Store score, 4.9 against 1.7. Both are backed by a comparable volume of ratings — 8 and 36 respectively. Written reviews point the same way: 75% of StarPilot's written reviews are positive against 22% of ACR Product App's.

StarPilot ships an update every 4 months, ACR Product App every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | StarPilot | ACR Product App |
| --- | --- | --- |
| Price | $49.99 | **Free** |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/starpilot/id359071446/reviews)** | [1.7 (36 ratings)](https://appshunter.io/ios/app/acr-product-app/id1458864580/reviews) |
| Number of ratings | 8 | **36** |
| Positive reviews | **75.0% of reviews** | 21.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 113 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Starpath Corp](https://appshunter.io/developer/1345556660) | [Ocean Signal Limited](https://appshunter.io/developer/1453183712) |

## What reviewers say

### StarPilot

[App page](https://appshunter.io/ios/app/starpilot/id359071446)

This app provides advanced celestial navigation computations for iPhone and iPod touch. It offers mathematical and graphic solutions for position fixes, great circle sailing, and more, including lunar distance methods and a sight planner for accurate results.

**Highlights:** Celestial sight reductions, Position fixes and great circle sailing, Lunar distance method for GMT, Graphical Sight Planner, Sight Analyzer function, Menu-driven interface, Perpetual almanac

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

**In-app purchases:** none


### ACR Product App

[App page](https://appshunter.io/ios/app/acr-product-app/id1458864580)

Access Class B AIS and Emergency PLB/EPIRB data. View live AIS targets, check distress beacon details, and monitor battery status via NFC or WiFi. Configure your AIS with vessel information.

**Highlights:** View live AIS targets, Check PLB/EPIRB distress beacon details, Monitor beacon operation time and battery condition via NFC, Configure Class B AIS with vessel details via WiFi, Access ACR CB2 WiFi connection for AIS data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StarPilot free?

StarPilot costs $49.99, with no in-app purchases.

### Is ACR Product App free?

ACR Product App is free to download, with no in-app purchases.

### Which has better reviews, StarPilot or ACR Product App?

StarPilot is rated higher. StarPilot averages 4.9 out of 5 from 8 ratings, while ACR Product App averages 1.7 from 36 ratings.

### Do StarPilot or ACR Product App have ads?

Neither StarPilot nor ACR Product App shows ads.

### Which is updated more often, StarPilot or ACR Product App?

StarPilot ships an update every 4 months, and ACR Product App every 2 months. Most recently, StarPilot was updated on October 27, 2026 and ACR Product App on October 24, 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.*