# 腦珠算(加減法) 題目練習 vs BopoTaco

The clearest difference is price: BopoTaco at Free against 腦珠算(加減法) 題目練習's $4.99. BopoTaco also leads on update cadence (monthly vs every 32 months). 腦珠算(加減法) 題目練習's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 17.0). On ads and device support there is nothing between them.

BopoTaco is free to download; 腦珠算(加減法) 題目練習 costs $4.99 up front. BopoTaco sells 1 one-off in-app purchase. 腦珠算(加減法) 題目練習 asks for nothing beyond the download.

腦珠算(加減法) 題目練習 ships an update every 32 months, BopoTaco monthly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 腦珠算(加減法) 題目練習 | BopoTaco |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/id1419936734/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Monthly** |
| Monetization | Paid | — |
| Size | 9 MB | 17 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) | [MIZUKI NAGASAWA](https://appshunter.io/developer/6796993645) |

## 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


### BopoTaco

[App page](https://appshunter.io/ios/app/bopotaco-bopomofo-typing/id6796993642)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BopoTaco Pro | $4.99 | one-time |


## 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 BopoTaco free?

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

### Do 腦珠算(加減法) 題目練習 or BopoTaco have ads?

Neither 腦珠算(加減法) 題目練習 nor BopoTaco shows ads.

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

腦珠算(加減法) 題目練習 ships an update every 32 months, and BopoTaco monthly. Most recently, 腦珠算(加減法) 題目練習 was updated on November 2, 2026 and BopoTaco on October 31, 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.*