# CheckGPS vs Binnacle

The clearest difference is update cadence: Binnacle at every 2 weeks against CheckGPS's every 3 months. CheckGPS's advantage is device support (3 vs 1) and iOS requirement (12.1 vs 16.0). On price, 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.

CheckGPS ships an update every 3 months, Binnacle every 2 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CheckGPS | Binnacle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/binnacle-nautical-calculator/id6523426668/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 30 MB | 32 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Intelligent Systems SIA](https://appshunter.io/developer/634329479) | [Danylo Budylkin](https://appshunter.io/developer/6778012130) |

## What reviewers say

### CheckGPS

[App page](https://appshunter.io/ios/app/checkgps/id1078554708)

**Features:** macOS Compatibility

**In-app purchases:** none


### Binnacle

[App page](https://appshunter.io/ios/app/binnacle-nautical-calculator/id6523426668)

This navigation app provides tools for maritime professionals and sailing enthusiasts. It offers features like true wind calculation, celestial navigation, ETA estimation, logbook management, and port search. Stay informed with real-time NavArea warnings for safer voyages.

**Highlights:** True Wind Calculation, Celestial Navigation Tools, ETA Estimation, LogBook Management, UNLOCODE Search, NavArea Warnings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CheckGPS free?

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

### Is Binnacle free?

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

### Do CheckGPS or Binnacle have ads?

Neither CheckGPS nor Binnacle shows ads.

### Which is updated more often, CheckGPS or Binnacle?

CheckGPS ships an update every 3 months, and Binnacle every 2 weeks. Most recently, CheckGPS was updated on November 2, 2026 and Binnacle on October 30, 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.*