# QA² vs Quizzi

The clearest difference is update cadence: Quizzi at daily against QA²'s every 3 weeks. On price, ads, in-app purchases and device support 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, Quizzi daily. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | QA² | Quizzi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | — |
| Size | 180 MB | 39 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TISI Incorporated](https://appshunter.io/developer/463993929) | [Pawat Supaongprapa](https://appshunter.io/developer/1877629126) |

## 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


### Quizzi

[App page](https://appshunter.io/ios/app/quizzi/id6759467828)

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

**In-app purchases:** none


## Frequently asked questions

### Is QA² free?

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

### Is Quizzi free?

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

### Do QA² or Quizzi have ads?

Neither QA² nor Quizzi shows ads.

### Which is updated more often, QA² or Quizzi?

QA² ships an update every 3 weeks, and Quizzi daily. Most recently, QA² was updated on September 25, 2026 and Quizzi on September 10, 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.*