# Abacus vs Abacus Lesson

The clearest difference is rating: Abacus Lesson at 4.8 against Abacus's 2.6. Abacus Lesson also leads on update cadence (every 2 days vs every 44 months) and ratings volume (98 vs 10). Abacus's advantage is in-app purchases (none vs 1) and iOS requirement (6.0 vs 11.0). On price, ads and device support there is nothing between them.

Both are free to download. Abacus Lesson sells 1 one-off in-app purchase. Abacus asks for nothing beyond the download.

Abacus Lesson holds the better App Store score, 4.8 against 2.6. That said, the two scores are not equally well evidenced: Abacus Lesson has 98 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 67% of Abacus's written reviews are positive against 75% of Abacus Lesson's.

Abacus ships an update every 44 months, Abacus Lesson every 2 days. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Abacus | Abacus Lesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (10 ratings)](https://appshunter.io/ios/app/abacus-simple-soroban-abacus/id852935077/reviews) | **[4.8 (98 ratings)](https://appshunter.io/ios/app/abacus-lesson/id1596053232/reviews)** |
| Number of ratings | 10 | **98** |
| Positive reviews | 66.7% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 153 MB |
| Requires iOS | **6.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Switt Kongdachalert](https://appshunter.io/developer/741342887) | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) |

## What reviewers say

### Abacus

[App page](https://appshunter.io/ios/app/abacus-simple-soroban-abacus/id852935077)

This app provides a digital soroban abacus for learning and practicing calculations. It visually displays the numerical value of each column as beads are moved, aiding in mental math development. Designed for beginners, it offers a simple interface to explore the ancient calculating tool.

**Highlights:** Digital soroban abacus simulation, Visual representation of column values, Supports mental math practice, Simple swipe and shake controls, Beginner-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Abacus Lesson

[App page](https://appshunter.io/ios/app/abacus-lesson/id1596053232)

Master mental arithmetic and abacus calculation with this comprehensive app. Learn efficient finger movements and mental math techniques to solve complex problems quickly. Enjoy a customizable and ad-free learning experience with progress tracking.

**Highlights:** Abacus lessons, Mental arithmetic training, Finger movement focus, Customizable abacus color, Screen orientation options, Trophy system for goals

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all contents | $5.99 | one-time |


## Frequently asked questions

### Is Abacus free?

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

### Is Abacus Lesson free?

Abacus Lesson is free to download, with in-app purchases available.

### Which has better reviews, Abacus or Abacus Lesson?

Abacus Lesson is rated higher. Abacus averages 2.6 out of 5 from 10 ratings, while Abacus Lesson averages 4.8 from 98 ratings.

### Do Abacus or Abacus Lesson have ads?

Neither Abacus nor Abacus Lesson shows ads.

### Which is updated more often, Abacus or Abacus Lesson?

Abacus ships an update every 44 months, and Abacus Lesson every 2 days. Most recently, Abacus was updated on October 6, 2026 and Abacus Lesson on October 21, 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.*