# Anzan Expert vs Mental Math Speed Trainer

The clearest difference is review sentiment: Anzan Expert at 100% against Mental Math Speed Trainer's 18%. Anzan Expert also leads on in-app purchases (none vs 3) and rating (4.7 vs 4.3). Mental Math Speed Trainer's advantage is update cadence (weekly vs every 3 months). On price, ratings volume and ads there is nothing between them.

Both are free to download. Mental Math Speed Trainer sells 3 in-app purchases, starting at $2.99 per month. Anzan Expert asks for nothing beyond the download.

Anzan Expert holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews point the same way: 100% of Anzan Expert's written reviews are positive against 18% of Mental Math Speed Trainer's.

Anzan Expert ships an update every 3 months, Mental Math Speed Trainer weekly. The most recent releases landed on June 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Anzan Expert | Mental Math Speed Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/anzan-expert/id1534494364/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/mental-math-speed-trainer/id6476421167/reviews) |
| Number of ratings | **6** | 4 |
| Positive reviews | **100.0% of reviews** | 17.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 31 MB | 56 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Moss](https://appshunter.io/developer/1534494486) | [TAKAYUKI HASHIMOTO](https://appshunter.io/developer/1689527181) |

## What reviewers say

### Anzan Expert

[App page](https://appshunter.io/ios/app/anzan-expert/id1534494364)

This app helps improve mental math skills by presenting numbers that flash on screen for users to add. It offers various stages with increasing difficulty and timed challenges, along with a practice mode for self-paced learning. Users can earn medals and track their progress.

**Highlights:** Timed flash calculation challenges, 20 stages with increasing difficulty, Practice mode for self-paced learning, Expert medals and level progression, Review missed questions, Multi-challenger profiles, Customizable themes

**In-app purchases:** none


### Mental Math Speed Trainer

[App page](https://appshunter.io/ios/app/mental-math-speed-trainer/id6476421167)

Sharpen your mental math skills with this engaging app focused on addition. Customize card numbers and timing intervals for a personalized learning experience. Track your progress with visually stimulating graphics, suitable for all ages.

**Highlights:** Customizable card numbers, Adjustable timing intervals, Focus on addition, Progress tracking, Engaging visuals, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月間プラン | $2.99 | per month |
| 年間プラン | $19.99 | per year |
| Lifetime Premium | $39.99 | one-time |


## Frequently asked questions

### Is Anzan Expert free?

Anzan Expert is free to download, with no in-app purchases.

### Is Mental Math Speed Trainer free?

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

### Which has better reviews, Anzan Expert or Mental Math Speed Trainer?

Anzan Expert is rated higher. Anzan Expert averages 4.7 out of 5 from 6 ratings, while Mental Math Speed Trainer averages 4.3 from 4 ratings.

### Do Anzan Expert or Mental Math Speed Trainer have ads?

Both Anzan Expert and Mental Math Speed Trainer show ads.

### Which is updated more often, Anzan Expert or Mental Math Speed Trainer?

Anzan Expert ships an update every 3 months, and Mental Math Speed Trainer weekly. Most recently, Anzan Expert was updated on June 25, 2026 and Mental Math Speed Trainer on September 22, 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.*