# Chess SetBlue vs Time Tracker for Open Project

The clearest difference is update cadence: Time Tracker for Open Project at every 2 months against Chess SetBlue's every 49 months. Time Tracker for Open Project also leads on iOS requirement (13.0 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.

Chess SetBlue ships an update every 49 months, Time Tracker for Open Project every 2 months. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Chess SetBlue | Time Tracker for Open Project |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 2 months** |
| Size | 9 MB | 26 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Amit Tulsiyani](https://appshunter.io/developer/791504794) | [Von Rehberg Consulting GmbH](https://appshunter.io/developer/1643860144) |

## What reviewers say

### Chess SetBlue

[App page](https://appshunter.io/ios/app/chess-setblue/id1606676651)

**Features:** macOS Compatibility

**In-app purchases:** none


### Time Tracker for Open Project

[App page](https://appshunter.io/ios/app/time-tracker-for-open-project/id1669753978)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chess SetBlue free?

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

### Is Time Tracker for Open Project free?

Time Tracker for Open Project is free to download, with no in-app purchases.

### Do Chess SetBlue or Time Tracker for Open Project have ads?

Neither Chess SetBlue nor Time Tracker for Open Project shows ads.

### Which is updated more often, Chess SetBlue or Time Tracker for Open Project?

Chess SetBlue ships an update every 49 months, and Time Tracker for Open Project every 2 months. Most recently, Chess SetBlue was updated on September 30, 2026 and Time Tracker for Open Project on September 29, 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.*