# QA² vs Pixel Count

The clearest difference is ads: QA² at none against Pixel Count's shown. Pixel Count's advantage is update cadence (every 4 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

QA² ships an update every 3 weeks, Pixel Count every 4 days. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | QA² | Pixel Count |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 180 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TISI Incorporated](https://appshunter.io/developer/463993929) | [PXL READY (FZE)](https://appshunter.io/developer/1757661952) |

## What reviewers say

### QA²

[App page](https://appshunter.io/ios/app/qa/id6747648497)

Engage in a unique puzzle game set in the quantum world. Swipe and match colorful blocks to create satisfying chain reactions and master various game modes. Challenge AI opponents and compete on global leaderboards.

**Highlights:** Quantum-themed puzzle gameplay, Satisfying chain reaction system, Multiple game modes (Rush, Depth, Flow, Overload), VS AI mode with challenging opponents, Global leaderboards for competitive play, Brain training mechanics

**In-app purchases:** none


### Pixel Count

[App page](https://appshunter.io/ios/app/pixel-count-puzzle-game/id6759011283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QA² free?

QA² is free to download, with no in-app purchases.

### Is Pixel Count free?

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

### Do QA² or Pixel Count have ads?

Pixel Count shows ads; QA² does not.

### Which is updated more often, QA² or Pixel Count?

QA² ships an update every 3 weeks, and Pixel Count every 4 days. Most recently, QA² was updated on October 12, 2026 and Pixel Count on October 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.*