# Smart Abacus vs Abacus Trainer

The clearest difference is ads: Smart Abacus at none against Abacus Trainer's shown. On price, update cadence, 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.

Smart Abacus ships an update weekly, Abacus Trainer every 10 days. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Smart Abacus | Abacus Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-abacus-mental-math/id6761702036/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free | — |
| Size | 50 MB | 26 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [ZerwOne Network, LLC](https://appshunter.io/developer/1792742872) | [Doni Winata](https://appshunter.io/developer/6794313295) |

## 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


### Abacus Trainer

[App page](https://appshunter.io/ios/app/abacus-trainer-mental-math/id6794313293)

**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 Abacus Trainer free?

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

### Do Smart Abacus or Abacus Trainer have ads?

Abacus Trainer shows ads; Smart Abacus does not.

### Which is updated more often, Smart Abacus or Abacus Trainer?

Smart Abacus ships an update weekly, and Abacus Trainer every 10 days. Most recently, Smart Abacus was updated on September 18, 2026 and Abacus Trainer on September 9, 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.*