# Abacutor vs Abacus Lesson

The clearest difference is rating: Abacus Lesson at 4.9 against Abacutor's 3.8. Abacus Lesson also leads on ratings volume (836 vs 29) and update cadence (every 3 weeks vs every 2 months). Abacutor's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price and device support there is nothing between them.

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

Abacus Lesson holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: Abacus Lesson has 836 ratings behind it against 29, so its average is the more settled of the two.

Abacutor ships an update every 2 months, Abacus Lesson every 3 weeks. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Abacutor | Abacus Lesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (29 ratings)](https://appshunter.io/ios/app/abacutor/id1469765610/reviews) | **[4.9 (836 ratings)](https://appshunter.io/ios/app/abacus-lesson-add-and-sub/id1526785916/reviews)** |
| Number of ratings | 29 | **836** |
| Positive reviews | — | 93.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 138 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Soroban League North America Corp](https://appshunter.io/developer/1896639256) | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) |

## What reviewers say

### Abacutor

[App page](https://appshunter.io/ios/app/abacutor/id1469765610)

This app serves as a digital abacus for students to practice mental math and abacus skills. Teachers can assign homework and monitor student progress in real-time, facilitating faster learning.

**Highlights:** Digital abacus simulation, Mental math (Anzan) training, Homework assignment and management, Real-time student progress monitoring, Abacus and Soroban method, Classwork and homework tool

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

**In-app purchases:** none


### Abacus Lesson

[App page](https://appshunter.io/ios/app/abacus-lesson-add-and-sub/id1526785916)

Learn addition and subtraction using a virtual abacus, also known as a Soroban. This app helps you develop mental calculation skills, enabling you to perform calculations without physical tools.

**Highlights:** Learn addition, Learn subtraction, Virtual abacus (Soroban), Develop mental calculation skills, Perform calculations without physical tools

**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 |

**What reviewers like**

- 👍 Beginner-friendly and easy to use
- 🚀 Quick to learn basic concepts
- 📚 Clear and simple explanations
- 🎯 Effective teaching methodology
- 💰 Free with no ads

**What reviewers complain about**

- 🌐 Poor English translation quality
- 📖 Lessons sometimes hard to read
- ❌ Cannot skip levels
- ⚡ Difficulty progression too steep
- 🐛 App closes accidentally on iPhone when swiping

**Reported bugs**

- Accidental app closure on iPhone during bead swiping
- Error in lesson 3 addition summary
- Sloppy English translation causing confusion
- Lessons difficult to read visually

**Requested features**

- Add Chinese Abacus (Suanpan) option
- Landscape view support
- Level skip functionality
- Better English translation/editing
- Clearer problem presentation with equation format


## Frequently asked questions

### Is Abacutor free?

Abacutor 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, Abacutor or Abacus Lesson?

Abacus Lesson is rated higher. Abacutor averages 3.8 out of 5 from 29 ratings, while Abacus Lesson averages 4.9 from 836 ratings.

### Do Abacutor or Abacus Lesson have ads?

Abacus Lesson shows ads; Abacutor does not.

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

Abacutor ships an update every 2 months, and Abacus Lesson every 3 weeks. Most recently, Abacutor was updated on October 23, 2026 and Abacus Lesson on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*