# Abacus vs Abacus Lesson

The clearest difference is rating: Abacus Lesson at 5.0 against Abacus's 2.6. Abacus Lesson also leads on review sentiment (100% vs 67%) and update cadence (every 2 weeks vs every 44 months). Abacus's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. Abacus Lesson sells 3 one-off in-app purchases. Abacus asks for nothing beyond the download.

Abacus Lesson holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 10 and 15 respectively. Written reviews point the same way: 67% of Abacus's written reviews are positive against 100% of Abacus Lesson's.

Abacus ships an update every 44 months, Abacus Lesson every 2 weeks. The most recent releases landed on November 1, 2026 and November 7, 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) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/abacus-lesson-multiplication/id1582635868/reviews)** |
| Number of ratings | 10 | **15** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 44 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 138 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-multiplication/id1582635868)

Learn multiplication using a virtual abacus. This app teaches a simple and fast method for calculating multiplication, emphasizing the mental calculation benefits of the abacus over digital calculators.

**Highlights:** Virtual abacus for multiplication, Simple and fast calculation methods, Focus on mental calculation skills, Step-by-step multiplication lessons, Suitable for beginners

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation Lv1 for hiding Ad | $1.99 | one-time |
| Donation Lv2 for hiding Ad | $3.99 | one-time |
| Donation Lv3 for hiding Ad | $8.99 | 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 5.0 from 15 ratings.

### Do Abacus or Abacus Lesson have ads?

Abacus Lesson shows ads; Abacus does not.

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

Abacus ships an update every 44 months, and Abacus Lesson every 2 weeks. Most recently, Abacus was updated on November 1, 2026 and Abacus Lesson on November 7, 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.*