# 腦珠算(加減法) 題目練習 vs Four Operations Math

The clearest difference is price: Four Operations Math at Free against 腦珠算(加減法) 題目練習's $4.99. Four Operations Math also leads on rating (5.0 vs 4.5) and update cadence (every 8 days vs every 32 months). 腦珠算(加減法) 題目練習's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 17.0). On ratings volume, ads and in-app purchases there is nothing between them.

Four Operations Math is free to download; 腦珠算(加減法) 題目練習 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Four Operations Math holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

腦珠算(加減法) 題目練習 ships an update every 32 months, Four Operations Math every 8 days. The most recent releases landed on September 21, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | 腦珠算(加減法) 題目練習 | Four Operations Math |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/id1419936734/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/four-operations-math/id6529530666/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 8 days** |
| Monetization | Paid | **Free** |
| Size | 9 MB | 21 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) | [Romiick LLC](https://appshunter.io/developer/1716146475) |

## What reviewers say

### 腦珠算(加減法) 題目練習

[App page](https://appshunter.io/ios/app/id1419936734)

This app offers a comprehensive abacus mental arithmetic training tool with six essential practice types. Users can create custom practice sessions, generate random questions and answers, and export them as PDFs for offline use. It tracks progress and provides analysis to help users focus on their weak areas.

**Highlights:** Six abacus mental arithmetic practice types, Customizable random question generation, PDF export for offline practice, Detailed progress tracking and analysis, Practice and Challenge modes, Test paper editor

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

**In-app purchases:** none


### Four Operations Math

[App page](https://appshunter.io/ios/app/four-operations-math/id6529530666)

This puzzle game challenges players to create mathematical equations using four numbers and basic arithmetic operations to reach a target value. It promotes logical thinking and problem-solving skills through engaging gameplay with varying challenges.

**Highlights:** Create mathematical equations, Use four numbers and operations, Achieve target values, Logical thinking development, Basic and Custom game modes, Intuitive tap and drag controls

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

**In-app purchases:** none


## Frequently asked questions

### Is 腦珠算(加減法) 題目練習 free?

腦珠算(加減法) 題目練習 costs $4.99, with no in-app purchases.

### Is Four Operations Math free?

Four Operations Math is free to download, with no in-app purchases.

### Which has better reviews, 腦珠算(加減法) 題目練習 or Four Operations Math?

Four Operations Math is rated higher. 腦珠算(加減法) 題目練習 averages 4.5 out of 5 from 2 ratings, while Four Operations Math averages 5.0 from 1 ratings.

### Do 腦珠算(加減法) 題目練習 or Four Operations Math have ads?

Neither 腦珠算(加減法) 題目練習 nor Four Operations Math shows ads.

### Which is updated more often, 腦珠算(加減法) 題目練習 or Four Operations Math?

腦珠算(加減法) 題目練習 ships an update every 32 months, and Four Operations Math every 8 days. Most recently, 腦珠算(加減法) 題目練習 was updated on September 21, 2026 and Four Operations Math on September 3, 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.*