# Abaco vs Abacus

The clearest difference is price: Abacus at Free against Abaco's $2.99. Abaco's advantage is ads (none vs shown) and iOS requirement (13.0 vs 26). On update cadence, in-app purchases and device support there is nothing between them.

Abacus is free to download; Abaco costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Abaco ships an update weekly, Abacus every 10 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Abaco | Abacus |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/abaco-flash-mental-math/id6753171585/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Paid | — |
| Size | 47 MB | 19 MB |
| Requires iOS | **13.0** | 26 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jiwon Park](https://appshunter.io/developer/1842841535) | [Aleksandr Govorukhin](https://appshunter.io/developer/1729392672) |

## What reviewers say

### Abaco

[App page](https://appshunter.io/ios/app/abaco-flash-mental-math/id6753171585)

This app offers a comprehensive mental math training experience, allowing users to practice addition, subtraction, multiplication, and division. It features customizable difficulty, speed, and problem types, making it ideal for competition preparation and general brain training.

**Highlights:** Addition/Subtraction practice, Multiplication/Division practice, Adjustable difficulty, Customizable speed and problem settings, Multi-language support, Preset saving and loading

**Features:** Vision Pro support

**In-app purchases:** none


### Abacus

[App page](https://appshunter.io/ios/app/abacus-mental-arithmetic/id6819154039)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Abaco free?

Abaco costs $2.99, with no in-app purchases.

### Is Abacus free?

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

### Do Abaco or Abacus have ads?

Abacus shows ads; Abaco does not.

### Which is updated more often, Abaco or Abacus?

Abaco ships an update weekly, and Abacus every 10 days. Most recently, Abaco was updated on November 5, 2026 and Abacus on November 6, 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.*