# King of Math vs Quick Brain

The clearest difference is update cadence: King of Math at every 3 weeks against Quick Brain's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. King of Math sells 1 one-off in-app purchase and Quick Brain sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

King of Math ships an update every 3 weeks, Quick Brain every 6 weeks. The most recent releases landed on October 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | King of Math | Quick Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.1K ratings)](https://appshunter.io/ios/app/king-of-math/id473904402/reviews)** | — |
| Number of ratings | **3.1K** | — |
| Positive reviews | 89.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 170 MB | 145 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oddrobo Software AB](https://appshunter.io/developer/423545647) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### King of Math

[App page](https://appshunter.io/ios/app/king-of-math/id473904402)

Sharpen your mental math skills with this engaging game suitable for all ages. Progress through ranks by solving diverse math problems, earn achievements, and compete globally. It's a fun way to practice math for both kids and adults.

**Highlights:** Mental math practice, Diverse question types, Rank progression system, Achievements and leaderboards, Suitable for family play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $3.99 | one-time |

**What reviewers like**

- 🚀 Fast pace
- 👍 Fun and challenging
- 👍 Variety of math subjects
- 👍 Helpful for learning and practicing
- 👍 Good for brain training

**What reviewers complain about**

- 🐛 Incorrect answers shown as wrong
- 💰 Requires payment to unlock full version
- 👎 Basic graphics and visuals

**Reported bugs**

- Lost progress and purchases when reinstalling
- Keyboard blocking UI elements

**Requested features**

- More advanced math topics
- Ability to review wrong answers
- Difficulty settings or modes
- More levels and books to progress through
- Explanations or examples for harder questions


### Quick Brain

[App page](https://appshunter.io/ios/app/quick-brain/id6566178817)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AU | $34.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - AX | $39.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - AW | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BF | $49.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BG | $49.99 | one-time |


## Frequently asked questions

### Is King of Math free?

King of Math is free to download, with in-app purchases available.

### Is Quick Brain free?

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

### Do King of Math or Quick Brain have ads?

Neither King of Math nor Quick Brain shows ads.

### Which is updated more often, King of Math or Quick Brain?

King of Math ships an update every 3 weeks, and Quick Brain every 6 weeks. Most recently, King of Math was updated on October 29, 2026 and Quick Brain on October 4, 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.*