# Math Oral Calculation vs 挑战最强大脑

The clearest difference is price: 挑战最强大脑 at Free against Math Oral Calculation's $0.99. 挑战最强大脑 also leads on update cadence (every 5 months vs every 35 months). Math Oral Calculation's advantage is in-app purchases (none vs 6) and iOS requirement (10.0 vs 12.0). On ads and device support there is nothing between them.

挑战最强大脑 is free to download; Math Oral Calculation costs $0.99 up front. 挑战最强大脑 sells 6 one-off in-app purchases. Math Oral Calculation asks for nothing beyond the download.

Math Oral Calculation ships an update every 35 months, 挑战最强大脑 every 5 months. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Math Oral Calculation | 挑战最强大脑 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-oral-calculation/id1468252874/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 5 months** |
| Monetization | Paid | — |
| Size | 5 MB | 100 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [昆 李](https://appshunter.io/developer/1480980920) | [剑 林](https://appshunter.io/developer/1466914836) |

## What reviewers say

### Math Oral Calculation

[App page](https://appshunter.io/ios/app/math-oral-calculation/id1468252874)

Test and improve your mental math skills with this engaging application. Suitable for all ages, from primary school students to advanced mathematicians, it offers a fun way to challenge your calculation abilities.

**Highlights:** Mental math challenges, Suitable for all ages, Two challenging modes, Track calculation skills, Daily math practice

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

**In-app purchases:** none


### 挑战最强大脑

[App page](https://appshunter.io/ios/app/id1470584883)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 打赏6元 | $0.99 | one-time |
| 打赏12元 | $1.99 | one-time |
| 打赏18元 | $2.99 | one-time |
| 打赏25元 | $3.99 | one-time |
| 打赏30元 | $4.99 | one-time |
| 打赏50元 | $7.99 | one-time |


## Frequently asked questions

### Is Math Oral Calculation free?

Math Oral Calculation costs $0.99, with no in-app purchases.

### Is 挑战最强大脑 free?

挑战最强大脑 is free to download, with in-app purchases available.

### Do Math Oral Calculation or 挑战最强大脑 have ads?

Neither Math Oral Calculation nor 挑战最强大脑 shows ads.

### Which is updated more often, Math Oral Calculation or 挑战最强大脑?

Math Oral Calculation ships an update every 35 months, and 挑战最强大脑 every 5 months. Most recently, Math Oral Calculation was updated on November 3, 2026 and 挑战最强大脑 on October 29, 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.*