# Smart Abacus vs Real Soroban

Smart Abacus and Real Soroban are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart Abacus ships an update every 11 days, Real Soroban fortnightly. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Smart Abacus | Real Soroban |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-abacus-mental-math/id6761702036/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Fortnightly |
| Monetization | Free | — |
| Size | 50 MB | 0 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZerwOne Network, LLC](https://appshunter.io/developer/1792742872) | [satoshi amasaki](https://appshunter.io/developer/1891268722) |

## What reviewers say

### Smart Abacus

[App page](https://appshunter.io/ios/app/smart-abacus-mental-math/id6761702036)

Master mental math using the Japanese Soroban method with interactive practice and structured lessons. Improve speed, focus, and accuracy through gamified milestones and progress tracking.

**Highlights:** Digital Soroban with realistic bead movement, Step-by-step learning paths, Flash Tests for speed and accuracy, Voice dictation for training, Progress tracking and insights, Gamified milestones and achievements

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

**In-app purchases:** none


### Real Soroban

[App page](https://appshunter.io/ios/app/real-soroban/id6761827077)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Abacus free?

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

### Is Real Soroban free?

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

### Do Smart Abacus or Real Soroban have ads?

Neither Smart Abacus nor Real Soroban shows ads.

### Which is updated more often, Smart Abacus or Real Soroban?

Smart Abacus ships an update every 11 days, and Real Soroban fortnightly. Most recently, Smart Abacus was updated on November 5, 2026 and Real 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.*