# Abacus Exercise vs Abacus Mental Maths

The clearest difference is update cadence: Abacus Exercise at every 3 weeks against Abacus Mental Maths's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Abacus Exercise ships an update every 3 weeks, Abacus Mental Maths every 3 months. The most recent releases landed on September 21, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Abacus Exercise | Abacus Mental Maths |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (60 ratings)](https://appshunter.io/ios/app/abacus-exercise/id1523833529/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 90 MB | 56 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) | [Blue Castle Studios](https://appshunter.io/developer/1465237858) |

## 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 Mental Maths

[App page](https://appshunter.io/ios/app/abacus-mental-maths/id6451128513)

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

**In-app purchases:** none


## Frequently asked questions

### Is Abacus Exercise free?

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

### Is Abacus Mental Maths free?

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

### Do Abacus Exercise or Abacus Mental Maths have ads?

Both Abacus Exercise and Abacus Mental Maths show ads.

### Which is updated more often, Abacus Exercise or Abacus Mental Maths?

Abacus Exercise ships an update every 3 weeks, and Abacus Mental Maths every 3 months. Most recently, Abacus Exercise was updated on September 21, 2026 and Abacus Mental Maths on September 7, 2026.

---

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