# Math Oral Calculation vs 决定吖

The clearest difference is update cadence: 决定吖 at every 3 months against Math Oral Calculation's every 35 months. Math Oral Calculation's advantage is iOS requirement (10.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

Math Oral Calculation ships an update every 35 months, 决定吖 every 3 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Math Oral Calculation | 决定吖 |
| --- | --- | --- |
| Price | **$0.99** | — |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 5 MB | 23 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [昆 李](https://appshunter.io/developer/1480980920) | [北京知翼志愿科技有限公司](https://appshunter.io/developer/1570107413) |

## 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


### 决定吖

[App page](https://appshunter.io/ios/app/id6740897928)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Oral Calculation free?

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

### Is 决定吖 free?

Pricing for 决定吖 is not currently listed on the App Store.

### Do Math Oral Calculation or 决定吖 have ads?

Neither Math Oral Calculation nor 决定吖 shows ads.

### Which is updated more often, Math Oral Calculation or 决定吖?

Math Oral Calculation ships an update every 35 months, and 决定吖 every 3 months. Most recently, Math Oral Calculation was updated on October 24, 2026 and 决定吖 on October 8, 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.*