# Quiz Master vs Sigma Fall

The clearest difference is in-app purchases: Sigma Fall at none against Quiz Master's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Quiz Master sells 4 one-off in-app purchases. Sigma Fall asks for nothing beyond the download.

Quiz Master ships an update every 2 weeks, Sigma Fall weekly. The most recent releases landed on June 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Quiz Master | Sigma Fall |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 256 MB | 44 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [ISTECHSOFT YAZILIM BILISIM BUYUK VERI VE YAPAY ZEKA COZUMLERI LIMITED SIRKETI](https://appshunter.io/developer/1682465799) | [Samim Baydar](https://appshunter.io/developer/1868676225) |

## What reviewers say

### Quiz Master

[App page](https://appshunter.io/ios/app/quiz-master-challenge-time/id6466250795)

Engage in a fast-paced trivia game testing your knowledge across various categories. Compete with friends or family, answer questions quickly, and climb the leaderboard. Adjust difficulty for a personalized challenge.

**Highlights:** Multiplayer trivia challenges, Vast question pool, Adjustable difficulty levels, Leaderboard rankings, User-friendly interface, Multiple subject categories

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3000 Diamonds | $0.99 | one-time |
| 8000 Diamonds | $2.99 | one-time |
| 20000 Diamonds | $4.99 | one-time |
| 60000 Diamonds | $12.99 | one-time |


### Sigma Fall

[App page](https://appshunter.io/ios/app/sigma-fall-math-game/id6757752252)

**In-app purchases:** none


## Frequently asked questions

### Is Quiz Master free?

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

### Is Sigma Fall free?

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

### Do Quiz Master or Sigma Fall have ads?

Neither Quiz Master nor Sigma Fall shows ads.

### Which is updated more often, Quiz Master or Sigma Fall?

Quiz Master ships an update every 2 weeks, and Sigma Fall weekly. Most recently, Quiz Master was updated on June 11, 2026 and Sigma Fall on September 15, 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.*