# Practice mental arithmetic vs Cyber Soroban

The clearest difference is price: Practice mental arithmetic at Free against Cyber Soroban's $0.49. Practice mental arithmetic also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.0). On update cadence, ads and in-app purchases there is nothing between them.

Practice mental arithmetic is free to download; Cyber Soroban costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Practice mental arithmetic ships an update every 5 weeks, Cyber Soroban every 2 months. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Practice mental arithmetic | Cyber Soroban |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cyber-soroban/id6767681268/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | — | Paid |
| Size | 22 MB | 2 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Dmitry Korchagin](https://appshunter.io/developer/1037103262) | [satoshi amasaki](https://appshunter.io/developer/1891268722) |

## What reviewers say

### Practice mental arithmetic

[App page](https://appshunter.io/ios/app/practice-mental-arithmetic/id1495163369)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cyber Soroban

[App page](https://appshunter.io/ios/app/cyber-soroban/id6767681268)

Experience a futuristic abacus with a cyberpunk aesthetic. Flick luminous beads on a neon display for calculation. Enjoy immersive sound effects and a unique visual style inspired by TRON.

**Highlights:** Cyberpunk UI with neon glow, Luminous gem-like beads, Electronic click and glass chime sounds, Full 13-column abacus calculation, Landscape-only immersive experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Practice mental arithmetic free?

Practice mental arithmetic is free to download, with no in-app purchases.

### Is Cyber Soroban free?

Cyber Soroban costs $0.49, with no in-app purchases.

### Do Practice mental arithmetic or Cyber Soroban have ads?

Neither Practice mental arithmetic nor Cyber Soroban shows ads.

### Which is updated more often, Practice mental arithmetic or Cyber Soroban?

Practice mental arithmetic ships an update every 5 weeks, and Cyber Soroban every 2 months. Most recently, Practice mental arithmetic was updated on October 25, 2026 and Cyber Soroban 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.*