# abacus shapes vs ISoroban

The clearest difference is update cadence: ISoroban at every 10 days against abacus shapes's every 6 weeks. On price, ads, 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.

abacus shapes ships an update every 6 weeks, ISoroban every 10 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | abacus shapes | ISoroban |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Size | 90 MB | 74 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [taijun sawano](https://appshunter.io/developer/1370412660) | [sunshine software solution limited liability company](https://appshunter.io/developer/1569563959) |

## What reviewers say

### abacus shapes

[App page](https://appshunter.io/ios/app/abacus-shapes/id1370412661)

**Features:** macOS Compatibility

**In-app purchases:** none


### ISoroban

[App page](https://appshunter.io/ios/app/isoroban/id6446442869)

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

**In-app purchases:** none


## Frequently asked questions

### Is abacus shapes free?

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

### Is ISoroban free?

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

### Do abacus shapes or ISoroban have ads?

Both abacus shapes and ISoroban show ads.

### Which is updated more often, abacus shapes or ISoroban?

abacus shapes ships an update every 6 weeks, and ISoroban every 10 days. Most recently, abacus shapes was updated on November 2, 2026 and ISoroban on November 3, 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.*