# Anzan Expert vs Flash

The clearest difference is ads: Flash at none against Anzan Expert's shown. Anzan Expert's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Anzan Expert ships an update every 3 months, Flash every 4 months. The most recent releases landed on June 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Anzan Expert | Flash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/anzan-expert/id1534494364/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Ad-supported | — |
| Size | 31 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Moss](https://appshunter.io/developer/1534494486) | [yeeun seo](https://appshunter.io/developer/1634215603) |

## 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


### Flash

[App page](https://appshunter.io/ios/app/flash-mental-math/id1634215601)

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

**In-app purchases:** none


## Frequently asked questions

### Is Anzan Expert free?

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

### Is Flash free?

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

### Do Anzan Expert or Flash have ads?

Anzan Expert shows ads; Flash does not.

### Which is updated more often, Anzan Expert or Flash?

Anzan Expert ships an update every 3 months, and Flash every 4 months. Most recently, Anzan Expert was updated on June 25, 2026 and Flash on September 18, 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.*