# Quick Calculation Quiz vs Rechenflow Mental Math

The clearest difference is in-app purchases: Rechenflow Mental Math at none against Quick Calculation Quiz's 5. Rechenflow Mental Math also leads on ads (none vs shown) and update cadence (every 4 days vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Quick Calculation Quiz sells 5 in-app purchases, starting at $2.99 per month. Rechenflow Mental Math asks for nothing beyond the download.

Quick Calculation Quiz ships an update every 10 months, Rechenflow Mental Math every 4 days. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Quick Calculation Quiz | Rechenflow Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (208 ratings)](https://appshunter.io/ios/app/quick-calculation-quiz/id1085581108/reviews)** | — |
| Number of ratings | **208** | — |
| Positive reviews | 86.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 63 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brachmann Online Marketing GmbH & Co. KG](https://appshunter.io/developer/682848918) | [Christian Hermann](https://appshunter.io/developer/1882361365) |

## What reviewers say

### Quick Calculation Quiz

[App page](https://appshunter.io/ios/app/quick-calculation-quiz/id1085581108)

Test your math skills in a timed challenge. Solve equations quickly to achieve a high score and compete with friends. It's a fun way to train your brain with both easy and challenging problems.

**Highlights:** Timed math problem solving, High score tracking, Multiplayer comparison, Brain training exercises, No calculator required

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per month |
| Voluntary Payment 1 | $0.99 | one-time |
| Voluntary Payment 2 | $2.99 | one-time |
| Voluntary Payment 3 | $9.99 | one-time |
| Remove Ads | $12.99 | one-time |

**What reviewers like**

- 🧠 Effective mental math training
- 👍 Simple and user-friendly interface
- ⚡ Good difficulty progression for various skill levels
- 🎮 Engaging and fun gameplay
- 💰 Free to use with optional ad-free upgrade

**What reviewers complain about**

- 🐛 Submit button is too small and difficult to click
- 🔤 Number pad layout is confusing and unintuitive
- ⏰ Time pressure can be frustrating for some users
- 🔁 Limited variety - repetitive problem types
- 📺 Too many advertisements

**Reported bugs**

- Submit button click detection is unreliable
- Scoring system not calculating all correct answers properly
- Screen touch responsiveness issues on smaller devices

**Requested features**

- Ability to select specific calculation types (addition, subtraction, multiplication, division)
- Multiple difficulty levels or stages
- Timed vs untimed game modes
- Direct multiplayer/duel mode between two players
- Voice input option for answers


### Rechenflow Mental Math

[App page](https://appshunter.io/ios/app/rechenflow-mental-math/id6776089329)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quick Calculation Quiz free?

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

### Is Rechenflow Mental Math free?

Rechenflow Mental Math is free to download, with no in-app purchases.

### Do Quick Calculation Quiz or Rechenflow Mental Math have ads?

Quick Calculation Quiz shows ads; Rechenflow Mental Math does not.

### Which is updated more often, Quick Calculation Quiz or Rechenflow Mental Math?

Quick Calculation Quiz ships an update every 10 months, and Rechenflow Mental Math every 4 days. Most recently, Quick Calculation Quiz was updated on October 16, 2026 and Rechenflow Mental Math 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.*