# Abacus Exercise vs Abacus Kids

The clearest difference is review sentiment: Abacus Kids at 100% against Abacus Exercise's 46%. Abacus Kids also leads on rating (5.0 vs 4.4) and ads (none vs shown). Abacus Exercise's advantage is in-app purchases (none vs 6) and ratings volume (62 vs 5). On price and device support there is nothing between them.

Both are free to download. Abacus Kids sells 6 in-app purchases, starting at $0.99 per 7 days. Abacus Exercise asks for nothing beyond the download.

Abacus Kids holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Abacus Exercise has 62 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 46% of Abacus Exercise's written reviews are positive against 100% of Abacus Kids's.

Abacus Exercise ships an update every 3 weeks, Abacus Kids every 10 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Abacus Exercise | Abacus Kids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (62 ratings)](https://appshunter.io/ios/app/abacus-exercise/id1523833529/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/abacus-kids-mental-math/id6749298785/reviews)** |
| Number of ratings | **62** | 5 |
| Positive reviews | 46.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 90 MB | 57 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) | [Vedaavi Learning](https://appshunter.io/developer/1829903467) |

## What reviewers say

### Abacus Exercise

[App page](https://appshunter.io/ios/app/abacus-exercise/id1523833529)

Practice abacus calculations with a customizable digital tool. Adjust bead colors, sounds, and layout for a personalized learning experience. Challenge yourself with addition, subtraction, multiplication, and division exercises.

**Highlights:** Customizable abacus layout, Adjustable bead size and position, Up to 15-digit support, Customizable bead colors and sounds, Addition, subtraction, multiplication, division practice, Level-based challenges

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

**In-app purchases:** none


### Abacus Kids

[App page](https://appshunter.io/ios/app/abacus-kids-mental-math/id6749298785)

This app teaches children mental math skills using the abacus method. It offers a structured curriculum with practice levels, exams, and games designed to improve calculation speed and confidence. The app supports various age groups with tailored learning modules.

**Highlights:** Abacus method for mental math, Structured curriculum by age group, Practice levels and formal exams, Speed math and Anzan training, Math game zone with puzzles, Customizable challenge modes

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription Discount | $12.00 | per year |
| Yearly Subscription | $17.99 | per year |
| Lifetime Access Discount | $29.99 | one-time |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is Abacus Exercise free?

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

### Is Abacus Kids free?

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

### Which has better reviews, Abacus Exercise or Abacus Kids?

Abacus Kids is rated higher. Abacus Exercise averages 4.4 out of 5 from 62 ratings, while Abacus Kids averages 5.0 from 5 ratings.

### Do Abacus Exercise or Abacus Kids have ads?

Abacus Exercise shows ads; Abacus Kids does not.

### Which is updated more often, Abacus Exercise or Abacus Kids?

Abacus Exercise ships an update every 3 weeks, and Abacus Kids every 10 days. Most recently, Abacus Exercise was updated on October 24, 2026 and Abacus Kids on October 30, 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.*