# CheckBall vs ROS

The clearest difference is iOS requirement: ROS at 15.0 against CheckBall's 18.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 19, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | CheckBall | ROS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 58 MB | 8 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PUG NZ LTD](https://appshunter.io/developer/1847521988) | [Walter Taulelei](https://appshunter.io/developer/1701697879) |

## What reviewers say

### CheckBall

[App page](https://appshunter.io/ios/app/checkball/id6754262817)

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

**In-app purchases:** none


### ROS

[App page](https://appshunter.io/ios/app/ros/id6759892032)

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

**In-app purchases:** none


## Frequently asked questions

### Is CheckBall free?

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

### Is ROS free?

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

### Do CheckBall or ROS have ads?

Neither CheckBall nor ROS shows ads.

### Which is updated more often, CheckBall or ROS?

CheckBall ships an update every 2 weeks, and ROS every 2 weeks. Most recently, CheckBall was updated on September 19, 2026 and ROS on September 13, 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.*