# Abacus Lesson vs Abaculator

The clearest difference is in-app purchases: Abaculator at none against Abacus Lesson's 3. Abaculator also leads on ads (none vs shown). Abacus Lesson's advantage is update cadence (monthly vs every 35 months) and iOS requirement (11.0 vs 15.6). On price and device support there is nothing between them.

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

Abacus Lesson ships an update monthly, Abaculator every 35 months. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Abacus Lesson | Abaculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/abacus-lesson-division/id1593317741/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 35 months |
| Monetization | Free with in-app purchases | — |
| Size | 132 MB | 45 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) | [Chi-Cheng Liao](https://appshunter.io/developer/1053803113) |

## What reviewers say

### Abacus Lesson

[App page](https://appshunter.io/ios/app/abacus-lesson-division/id1593317741)

Learn the simple and fast method of division using an abacus. This app focuses on developing mental calculation skills by leveraging the abacus technique. It's recommended to master addition, subtraction, and multiplication with an abacus first.

**Highlights:** Learn abacus division techniques, Develop mental calculation skills, Focus on Soroban method, Step-by-step division instruction, Builds on addition, subtraction, multiplication

**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 |


### Abaculator

[App page](https://appshunter.io/ios/app/abaculator/id1634634260)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Abacus Lesson free?

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

### Is Abaculator free?

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

### Do Abacus Lesson or Abaculator have ads?

Abacus Lesson shows ads; Abaculator does not.

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

Abacus Lesson ships an update monthly, and Abaculator every 35 months. Most recently, Abacus Lesson was updated on September 21, 2026 and Abaculator 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.*