# Doubles vs Kromatica

The clearest difference is review sentiment: Kromatica at 100% against Doubles's 0%. Kromatica also leads on rating (5.0 vs 2.0) and ads (none vs shown). Doubles's advantage is price (Free vs $0.99). On in-app purchases and device support there is nothing between them.

Doubles is free to download; Kromatica costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kromatica holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 0% of Doubles's written reviews are positive against 100% of Kromatica's.

Doubles ships an update every 2 months, Kromatica every 3 weeks. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Doubles | Kromatica |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/doubles-merge-number-blocks/id1529604935/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/kromatica/id6749427960/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Paid |
| Size | 196 MB | 93 MB |
| Requires iOS | 13.0 | **11.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Whizpool](https://appshunter.io/developer/403929838) | [Xenophora Studios](https://appshunter.io/developer/1830398609) |

## What reviewers say

### Doubles

[App page](https://appshunter.io/ios/app/doubles-merge-number-blocks/id1529604935)

Merge identical number blocks by tapping and shooting them to create higher numbers and achieve high scores. This addictive puzzle game offers brain-teasing challenges and stress relief with no time limits. Power-ups like the hammer and rocket help overcome tricky situations.

**Highlights:** Merge same number blocks, Achieve high scores, Brain-storming gameplay, Power-up tools, No time limits, Offline play

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

**In-app purchases:** none


### Kromatica

[App page](https://appshunter.io/ios/app/kromatica/id6749427960)

A unique puzzle game that blends color, motion, and sound for a captivating sensory experience. Swipe to merge tiles of the same color, progressing through five difficulty levels. Enjoy all future content with your one-time purchase.

**Highlights:** Color-based tile merging gameplay, Seamless sensory experience, Five difficulty levels, High score tracking, All future content included, No ads or data collection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Doubles free?

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

### Is Kromatica free?

Kromatica costs $0.99, with no in-app purchases.

### Which has better reviews, Doubles or Kromatica?

Kromatica is rated higher. Doubles averages 2.0 out of 5 from 1 ratings, while Kromatica averages 5.0 from 3 ratings.

### Do Doubles or Kromatica have ads?

Doubles shows ads; Kromatica does not.

### Which is updated more often, Doubles or Kromatica?

Doubles ships an update every 2 months, and Kromatica every 3 weeks. Most recently, Doubles was updated on October 22, 2026 and Kromatica on October 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.*