# ISoroban vs Number Ninja Math Game

The clearest difference is ads: Number Ninja Math Game at none against ISoroban's shown. ISoroban's advantage is update cadence (every 10 days vs every 21 months) and iOS requirement (11.0 vs 16.4). On price, 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.

ISoroban ships an update every 10 days, Number Ninja Math Game every 21 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ISoroban | Number Ninja Math Game |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 21 months |
| Monetization | — | Free |
| Size | 74 MB | 38 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sunshine software solution limited liability company](https://appshunter.io/developer/1569563959) | [Adam Turner](https://appshunter.io/developer/1767191168) |

## What reviewers say

### ISoroban

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

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

**In-app purchases:** none


### Number Ninja Math Game

[App page](https://appshunter.io/ios/app/number-ninja-math-game/id6670713997)

This game offers a fun and engaging way to improve mental arithmetic skills for all ages. It covers all basic operations with timed challenges and performance tracking to help users identify and improve weak areas. Users can customize the difficulty by selecting number ranges for endless practice.

**Highlights:** All operations covered (addition, subtraction, multiplication, division), Timed challenges for speed and accuracy, Performance analysis and progress tracking, Customizable number range selection, Endless practice with random questions, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ISoroban free?

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

### Is Number Ninja Math Game free?

Number Ninja Math Game is free to download, with no in-app purchases.

### Do ISoroban or Number Ninja Math Game have ads?

ISoroban shows ads; Number Ninja Math Game does not.

### Which is updated more often, ISoroban or Number Ninja Math Game?

ISoroban ships an update every 10 days, and Number Ninja Math Game every 21 months. Most recently, ISoroban was updated on October 27, 2026 and Number Ninja Math Game on October 30, 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.*