# GPS Systems vs Chess Clock

The clearest difference is in-app purchases: GPS Systems at none against Chess Clock's 1. GPS Systems also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Chess Clock sells 1 one-off in-app purchase. GPS Systems asks for nothing beyond the download.

## The numbers

| Metric | GPS Systems | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chess-clock-blitz-and-rapid/id6759561486/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GPS SYSTEMS BULGARIA OOD](https://appshunter.io/developer/1528943293) | [Liamyte OÜ](https://appshunter.io/developer/1871756616) |

## What reviewers say

### GPS Systems

[App page](https://appshunter.io/ios/app/gps-systems/id1535458984)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-blitz-and-rapid/id6759561486)

This app provides a reliable and accurate chess clock for various game formats, including blitz and rapid play. It offers essential features for over-the-board matches with a clean interface and supports common timing increments and delays.

**Highlights:** Fischer increment support, Bronstein delay support, US delay support, Instant turn switching, Clear flag detection, Pause game functionality, Haptic feedback

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock – Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is GPS Systems free?

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

### Is Chess Clock free?

Chess Clock is free to download, with in-app purchases available.

### Do GPS Systems or Chess Clock have ads?

Neither GPS Systems nor Chess Clock shows ads.

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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.*