# Mental Math Trainer vs Math Hero by Erudite

The clearest difference is rating: Mental Math Trainer at 4.5 against Math Hero by Erudite's 3.8. Mental Math Trainer also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). Math Hero by Erudite's advantage is in-app purchases (none vs 9) and review sentiment (70% vs 58%). On price, ratings volume and device support there is nothing between them.

Both are free to download. Mental Math Trainer sells 7 in-app purchases, starting at $2.99 per month. Math Hero by Erudite asks for nothing beyond the download.

Mental Math Trainer holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 228 and 88 respectively. Written reviews complicate that: 58% of Mental Math Trainer's written reviews are positive against 70% of Math Hero by Erudite's, so the app with the better star average is not the one people write more warmly about.

Mental Math Trainer ships an update fortnightly, Math Hero by Erudite every 2 months. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Mental Math Trainer | Math Hero by Erudite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (228 ratings)](https://appshunter.io/ios/app/mental-math-trainer-puremath/id684305542/reviews)** | [3.8 (88 ratings)](https://appshunter.io/ios/app/math-hero-by-erudite/id860103287/reviews) |
| Number of ratings | **228** | 88 |
| Positive reviews | 57.8% of reviews | **69.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 50 MB | 6 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stoyan Hristov](https://appshunter.io/developer/584595816) | [Erudite](https://appshunter.io/developer/927791563) |

## 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


### Math Hero by Erudite

[App page](https://appshunter.io/ios/app/math-hero-by-erudite/id860103287)

Engage in an addictive math game that challenges you to solve basic arithmetic problems as quickly as possible. Compete to climb the leaderboards and prove your skills in addition, subtraction, multiplication, and division.

**Highlights:** Basic math problems, Addition, subtraction, multiplication, division, Timed challenges, Leaderboard competition, Addictive gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is Mental Math Trainer free?

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

### Is Math Hero by Erudite free?

Math Hero by Erudite is free to download, with no in-app purchases.

### Which has better reviews, Mental Math Trainer or Math Hero by Erudite?

Mental Math Trainer is rated higher. Mental Math Trainer averages 4.5 out of 5 from 228 ratings, while Math Hero by Erudite averages 3.8 from 88 ratings.

### Do Mental Math Trainer or Math Hero by Erudite have ads?

Math Hero by Erudite shows ads; Mental Math Trainer does not.

### Which is updated more often, Mental Math Trainer or Math Hero by Erudite?

Mental Math Trainer ships an update fortnightly, and Math Hero by Erudite every 2 months. Most recently, Mental Math Trainer was updated on October 21, 2026 and Math Hero by Erudite on October 20, 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.*