# 数学多多 vs Speed calculation

The clearest difference is ads: 数学多多 at none against Speed calculation's shown. 数学多多 also leads on iOS requirement (8.0 vs 16.0). Speed calculation's advantage is update cadence (every 5 months vs every 12 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 数学多多 sells 3 one-off in-app purchases and Speed calculation sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

数学多多 ships an update every 12 months, Speed calculation every 5 months. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 数学多多 | Speed calculation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 5 months** |
| Size | 59 MB | 4 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [华 周](https://appshunter.io/developer/569428357) | [宏斌 樊](https://appshunter.io/developer/1452129040) |

## What reviewers say

### 数学多多

[App page](https://appshunter.io/ios/app/id1220714017)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买10个水壶 | $0.99 | one-time |
| 学习版 | $1.99 | one-time |
| 特别版 | $2.99 | one-time |


### Speed calculation

[App page](https://appshunter.io/ios/app/speed-calculation/id1436483686)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads. | $3.99 | one-time |


## Frequently asked questions

### Is 数学多多 free?

数学多多 is free to download, with in-app purchases available.

### Is Speed calculation free?

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

### Do 数学多多 or Speed calculation have ads?

Speed calculation shows ads; 数学多多 does not.

### Which is updated more often, 数学多多 or Speed calculation?

数学多多 ships an update every 12 months, and Speed calculation every 5 months. Most recently, 数学多多 was updated on October 12, 2026 and Speed calculation on October 25, 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.*