# Blind Number Challenge vs Chroma Fast

The clearest difference is rating: Chroma Fast at 5.0 against Blind Number Challenge's 1.4. Chroma Fast also leads on update cadence (every 4 days vs every 6 months). Blind Number Challenge's advantage is ratings volume (12 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chroma Fast holds the better App Store score, 5.0 against 1.4. That said, the two scores are not equally well evidenced: Blind Number Challenge has 12 ratings behind it against 2, so its average is the more settled of the two.

Blind Number Challenge ships an update every 6 months, Chroma Fast every 4 days. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Blind Number Challenge | Chroma Fast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (12 ratings)](https://appshunter.io/ios/app/blind-number-challenge/id6447437703/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chroma-fast/id6451048424/reviews)** |
| Number of ratings | **12** | 2 |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 30 MB | 55 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Batuhan Tarhanacioglu](https://appshunter.io/developer/1678286405) | [FATCAT GAMES LLC](https://appshunter.io/developer/1717249433) |

## What reviewers say

### Blind Number Challenge

[App page](https://appshunter.io/ios/app/blind-number-challenge/id6447437703)

Test your guessing abilities in this number challenge game. Select difficulty and number ranges, then use clues like 'too high' or 'too low' to find the hidden number within a limited number of attempts. Features multiple modes and difficulty levels for endless fun.

**Highlights:** Guess hidden numbers, Adjust difficulty and number range, Receive high/low clues, Multiple game modes (Easy, Medium, Hard), Leaderboard rankings, Brain teaser puzzles

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

**In-app purchases:** none


### Chroma Fast

[App page](https://appshunter.io/ios/app/chroma-fast/id6451048424)

Swipe to match your box's color with incoming channels in this fast-paced, addictive game. Its minimalist design and vibrant colors offer a captivating challenge for all ages, testing reflexes and color coordination.

**Highlights:** Color matching gameplay, Increasing pace and challenge, Minimalist aesthetic, Vivid color palette, Reflex and coordination testing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blind Number Challenge free?

Blind Number Challenge is free to download, with no in-app purchases.

### Is Chroma Fast free?

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

### Which has better reviews, Blind Number Challenge or Chroma Fast?

Chroma Fast is rated higher. Blind Number Challenge averages 1.4 out of 5 from 12 ratings, while Chroma Fast averages 5.0 from 2 ratings.

### Do Blind Number Challenge or Chroma Fast have ads?

Both Blind Number Challenge and Chroma Fast show ads.

### Which is updated more often, Blind Number Challenge or Chroma Fast?

Blind Number Challenge ships an update every 6 months, and Chroma Fast every 4 days. Most recently, Blind Number Challenge was updated on October 25, 2026 and Chroma Fast on October 9, 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.*