# Abacus Exercise vs Cabacus

The clearest difference is price: Abacus Exercise at Free against Cabacus's $7.99. Abacus Exercise also leads on update cadence (every 3 weeks vs every 14 months). Cabacus's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Abacus Exercise is free to download; Cabacus costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Abacus Exercise ships an update every 3 weeks, Cabacus every 14 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Abacus Exercise | Cabacus |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| 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 | **No** |
| Update frequency | **Every 3 weeks** | Every 14 months |
| Monetization | Ad-supported | — |
| Size | 90 MB | 28 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) | [Benjamin Tan](https://appshunter.io/developer/1748368453) |

## 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


### Cabacus

[App page](https://appshunter.io/ios/app/cabacus/id6503203800)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Abacus Exercise free?

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

### Is Cabacus free?

Cabacus costs $7.99, with no in-app purchases.

### Do Abacus Exercise or Cabacus have ads?

Abacus Exercise shows ads; Cabacus does not.

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

Abacus Exercise ships an update every 3 weeks, and Cabacus every 14 months. Most recently, Abacus Exercise was updated on October 8, 2026 and Cabacus on October 1, 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.*