# ColorRush vs Guess Size

The clearest difference is in-app purchases: Guess Size at none against ColorRush's 1. Guess Size also leads on ads (none vs shown) and update cadence (every 3 days vs every 10 days). ColorRush's advantage is iOS requirement (17.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. ColorRush sells 1 one-off in-app purchase. Guess Size asks for nothing beyond the download.

ColorRush ships an update every 10 days, Guess Size every 3 days. The most recent releases landed on October 28, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ColorRush | Guess Size |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 30 MB | 2 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Tony Miksa](https://appshunter.io/developer/6817851345) | [Remi Cassan](https://appshunter.io/developer/1813775798) |

## What reviewers say

### ColorRush

[App page](https://appshunter.io/ios/app/colorrush-tap-and-react-fast/id6766084527)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Guess Size

[App page](https://appshunter.io/ios/app/guess-size-scale-game/id6814151950)

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

**In-app purchases:** none


## Frequently asked questions

### Is ColorRush free?

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

### Is Guess Size free?

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

### Do ColorRush or Guess Size have ads?

ColorRush shows ads; Guess Size does not.

### Which is updated more often, ColorRush or Guess Size?

ColorRush ships an update every 10 days, and Guess Size every 3 days. Most recently, ColorRush was updated on October 28, 2026 and Guess Size on November 6, 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.*