# Amavit Abacus vs FlashAnzan

The clearest difference is in-app purchases: Amavit Abacus at none against FlashAnzan's 1. Amavit Abacus also leads on iOS requirement (16.0 vs 18.0). FlashAnzan's advantage is update cadence (every 3 days vs every 2 weeks) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. FlashAnzan sells 1 one-off in-app purchase. Amavit Abacus asks for nothing beyond the download.

Amavit Abacus ships an update every 2 weeks, FlashAnzan every 3 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Amavit Abacus | FlashAnzan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 62 MB | 8 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Fedyay Volodymyr](https://appshunter.io/developer/1165107677) | [Haruhiko Kishi](https://appshunter.io/developer/942468714) |

## What reviewers say

### Amavit Abacus

[App page](https://appshunter.io/ios/app/amavit-abacus/id6759505511)

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

**In-app purchases:** none


### FlashAnzan

[App page](https://appshunter.io/ios/app/flashanzan-mental-math/id6799545041)

**Features:** Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Grades | $3.99 | one-time |


## Frequently asked questions

### Is Amavit Abacus free?

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

### Is FlashAnzan free?

FlashAnzan is free to download, with in-app purchases available.

### Do Amavit Abacus or FlashAnzan have ads?

Neither Amavit Abacus nor FlashAnzan shows ads.

### Which is updated more often, Amavit Abacus or FlashAnzan?

Amavit Abacus ships an update every 2 weeks, and FlashAnzan every 3 days. Most recently, Amavit Abacus was updated on October 31, 2026 and FlashAnzan on October 29, 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.*