# Mental Arithmetic For Learn vs Abacus Lesson

The clearest difference is rating: Abacus Lesson at 4.9 against Mental Arithmetic For Learn's 3.9. Abacus Lesson also leads on ratings volume (839 vs 7). Mental Arithmetic For Learn's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Mental Arithmetic For Learn sells 1 one-off in-app purchase and Abacus Lesson sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Abacus Lesson holds the better App Store score, 4.9 against 3.9. That said, the two scores are not equally well evidenced: Abacus Lesson has 839 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 92% of Mental Arithmetic For Learn's written reviews are positive against 93% of Abacus Lesson's.

Mental Arithmetic For Learn ships an update every 3 days, Abacus Lesson every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Mental Arithmetic For Learn | Abacus Lesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/mental-arithmetic-for-learn/id1464497996/reviews) | **[4.9 (839 ratings)](https://appshunter.io/ios/app/abacus-lesson-add-and-sub/id1526785916/reviews)** |
| Number of ratings | 7 | **839** |
| Positive reviews | 91.7% of reviews | **93.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 42 MB | 138 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [小文 黄](https://appshunter.io/developer/490328393) | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) |

## What reviewers say

### Mental Arithmetic For Learn

[App page](https://appshunter.io/ios/app/mental-arithmetic-for-learn/id1464497996)

This app helps users practice mental arithmetic with customizable exercises. It offers both auditory and visual learning modes, and uniquely incorporates speech recognition for answering. Users can also create and share their own math problems.

**Highlights:** Generate custom math expressions, Hearing and seeing mental arithmetic modes, Speech recognition for answers, Track exercise records, Adjustable time limits, Share expressions via messaging

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Convenient Functions | $2.99 | one-time |


### 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 Mental Arithmetic For Learn free?

Mental Arithmetic For Learn is free to download, with in-app purchases available.

### Is Abacus Lesson free?

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

### Which has better reviews, Mental Arithmetic For Learn or Abacus Lesson?

Abacus Lesson is rated higher. Mental Arithmetic For Learn averages 3.9 out of 5 from 7 ratings, while Abacus Lesson averages 4.9 from 839 ratings.

### Do Mental Arithmetic For Learn or Abacus Lesson have ads?

Abacus Lesson shows ads; Mental Arithmetic For Learn does not.

### Which is updated more often, Mental Arithmetic For Learn or Abacus Lesson?

Mental Arithmetic For Learn ships an update every 3 days, and Abacus Lesson every 3 weeks. Most recently, Mental Arithmetic For Learn was updated on November 3, 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.*