# Abacus Online Course vs FlashAnzan

The clearest difference is in-app purchases: Abacus Online Course at none against FlashAnzan's 1. Abacus Online Course also leads on iOS requirement (13 vs 18.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Abacus Online Course | FlashAnzan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 75 MB | 8 MB |
| Requires iOS | **13** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [GINFOMATICS PRIVATE LIMITED](https://appshunter.io/developer/1798262527) | [Haruhiko Kishi](https://appshunter.io/developer/942468714) |

## What reviewers say

### Abacus Online Course

[App page](https://appshunter.io/ios/app/abacus-online-course/id6753885686)

**Features:** macOS Compatibility

**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 Abacus Online Course free?

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

### Is FlashAnzan free?

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

### Do Abacus Online Course or FlashAnzan have ads?

Neither Abacus Online Course nor FlashAnzan shows ads.

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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.*