# Quick mental calculation vs Reflex Game

The clearest difference is ads: Reflex Game at none against Quick mental calculation's shown. Quick mental calculation's advantage is update cadence (every 11 days vs every 3 weeks) and iOS requirement (12.0 vs 15.1). On price, 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.

Quick mental calculation ships an update every 11 days, Reflex Game every 3 weeks. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Quick mental calculation | Reflex Game |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Size | 21 MB | 33 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ERX](https://appshunter.io/developer/513941286) | [Ali Uskan Yaman](https://appshunter.io/developer/1561481289) |

## What reviewers say

### Quick mental calculation

[App page](https://appshunter.io/ios/app/quick-mental-calculation/id841970890)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reflex Game

[App page](https://appshunter.io/ios/app/reflex-game-snap-the-time/id6755499699)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quick mental calculation free?

Quick mental calculation is free to download, with no in-app purchases.

### Is Reflex Game free?

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

### Do Quick mental calculation or Reflex Game have ads?

Quick mental calculation shows ads; Reflex Game does not.

### Which is updated more often, Quick mental calculation or Reflex Game?

Quick mental calculation ships an update every 11 days, and Reflex Game every 3 weeks. Most recently, Quick mental calculation was updated on October 26, 2026 and Reflex Game on October 28, 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.*