# Mental Math Trainer vs King of Math+

The clearest difference is review sentiment: King of Math+ at 100% against Mental Math Trainer's 58%. King of Math+ also leads on rating (5.0 vs 4.5). Mental Math Trainer's advantage is ratings volume (233 vs 10). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Mental Math Trainer sells 7 in-app purchases, starting at $2.99 per month and King of Math+ sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

King of Math+ holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Mental Math Trainer has 233 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 58% of Mental Math Trainer's written reviews are positive against 100% of King of Math+'s.

Mental Math Trainer ships an update fortnightly, King of Math+ every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Mental Math Trainer | King of Math+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (233 ratings)](https://appshunter.io/ios/app/mental-math-trainer-puremath/id684305542/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/king-of-math-plus/id6446832817/reviews)** |
| Number of ratings | **233** | 10 |
| Positive reviews | 57.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 50 MB | 187 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stoyan Hristov](https://appshunter.io/developer/584595816) | [Oddrobo Software AB](https://appshunter.io/developer/423545647) |

## What reviewers say

### Mental Math Trainer

[App page](https://appshunter.io/ios/app/mental-math-trainer-puremath/id684305542)

Enhance your arithmetic abilities with this app. Practice addition, subtraction, multiplication, and division through engaging games and custom sessions. Track your progress and challenge friends to boost your mental math confidence and speed.

**Highlights:** Addition, subtraction, multiplication, division practice, Math Arcade mode with increasing difficulty, Customizable practice sessions, Memory training games (Find the Pairs), Progress tracking, Game Center integration for challenges

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $2.99 | per month |
| Unlimited Access | $2.99 | per 7 days |
| Unlimited Access | $3.99 | per month |
| Unlimited Access | $9.99 | per year |
| Unlimited Access | $12.99 | per year |
| Unlimited Access | $14.99 | per year |
| Unlock Everything | $17.99 | one-time |

**What reviewers like**

- 🧠 Brain training and mental sharpness
- 👍 Useful for math skills improvement
- 🚀 Fast and easy to use
- ✅ Good for daily practice
- 💡 Gamifies math learning

**What reviewers complain about**

- 💸 Most features are paid/locked
- 💰 Deceptive free version
- 😩 Repetitive questions/levels
- 🐌 Slow animations
- 📱 UI can be improved (keypad style)

**Reported bugs**

- App crashes or doesn't open
- Purchases not unlocking features
- In-app purchase issues
- Timer continues when paused
- Drag response not registering input

**Requested features**

- Option to choose keypad style
- More difficult levels
- Infinite or custom exercise mode
- Dark mode support
- Landscape mode support


### King of Math+

[App page](https://appshunter.io/ios/app/king-of-math-plus/id6446832817)

Enhance your mathematical abilities with a collection of engaging games and activities. This unified app offers hundreds of exercises covering arithmetic, geometry, fractions, and more, making learning fun for all ages.

**Highlights:** Mental arithmetic practice, Basic math operations, Telling time exercises, Math coloring and puzzles, Geometry and fractions, Problem-solving activities

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per month |
| Premium | $24.99 | per year |


## Frequently asked questions

### Is Mental Math Trainer free?

Mental Math Trainer is free to download, with in-app purchases available.

### Is King of Math+ free?

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

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

King of Math+ is rated higher. Mental Math Trainer averages 4.5 out of 5 from 233 ratings, while King of Math+ averages 5.0 from 10 ratings.

### Do Mental Math Trainer or King of Math+ have ads?

Neither Mental Math Trainer nor King of Math+ shows ads.

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

Mental Math Trainer ships an update fortnightly, and King of Math+ every 3 weeks. Most recently, Mental Math Trainer was updated on November 6, 2026 and King of Math+ on November 3, 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.*