# King of Math vs Mental Arithmetic Math

The clearest difference is in-app purchases: Mental Arithmetic Math at none against King of Math's 1. King of Math's advantage is ads (none vs shown) and rating (4.7 vs 4.4). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. King of Math sells 1 one-off in-app purchase. Mental Arithmetic Math asks for nothing beyond the download.

King of Math holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: King of Math has 3.1K ratings behind it against 97, so its average is the more settled of the two. Written reviews split almost evenly too, at 90% and 90% positive.

King of Math ships an update every 3 weeks, Mental Arithmetic Math every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | King of Math | Mental Arithmetic Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.1K ratings)](https://appshunter.io/ios/app/king-of-math/id473904402/reviews)** | [4.4 (97 ratings)](https://appshunter.io/ios/app/mental-arithmetic-math/id1580847431/reviews) |
| Number of ratings | **3.1K** | 97 |
| Positive reviews | 89.6% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 170 MB | 105 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oddrobo Software AB](https://appshunter.io/developer/423545647) | [Satoshi Konno](https://appshunter.io/developer/1565729374) |

## 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


### Mental Arithmetic Math

[App page](https://appshunter.io/ios/app/mental-arithmetic-math/id1580847431)

Engage in fun arithmetic challenges suitable for all ages. Improve your math skills and concentration with adjustable difficulty levels. Play solo or with friends, even offline, for a quick and enjoyable brain workout.

**Highlights:** Arithmetic challenges, Adjustable difficulty, Suitable for all ages, Play with friends, Offline play, Improves concentration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is King of Math free?

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

### Is Mental Arithmetic Math free?

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

### Which has better reviews, King of Math or Mental Arithmetic Math?

King of Math is rated higher. King of Math averages 4.7 out of 5 from 3.1K ratings, while Mental Arithmetic Math averages 4.4 from 97 ratings.

### Do King of Math or Mental Arithmetic Math have ads?

Mental Arithmetic Math shows ads; King of Math does not.

### Which is updated more often, King of Math or Mental Arithmetic Math?

King of Math ships an update every 3 weeks, and Mental Arithmetic Math every 2 months. Most recently, King of Math was updated on October 23, 2026 and Mental Arithmetic Math on October 24, 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.*