# Speed math vs 数独天天练

The clearest difference is ads: 数独天天练 at none against Speed math's shown. Speed math's advantage is update cadence (every 11 months vs every 28 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Speed math sells 1 one-off in-app purchase and 数独天天练 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Speed math ships an update every 11 months, 数独天天练 every 28 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Speed math | 数独天天练 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/speed-mathmental-arithmetic/id1092366930/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 11 months** | Every 28 months |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 134 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [向军 贾](https://appshunter.io/developer/788691093) | [Kunming Jianet Technology Co., Ltd.](https://appshunter.io/developer/1465682556) |

## What reviewers say

### Speed math

[App page](https://appshunter.io/ios/app/speed-mathmental-arithmetic/id1092366930)

This educational game helps children practice fundamental math skills like addition and subtraction. It offers a fun way to improve calculation abilities through engaging gameplay. Designed for young learners, it covers basic arithmetic operations.

**Highlights:** Addition practice, Subtraction practice, Multiplication practice, Division practice, Educational games, Mental arithmetic training

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock function and off AD | $3.99 | one-time |


### 数独天天练

[App page](https://appshunter.io/ios/app/id1625525955)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60个金币 | $0.99 | one-time |
| 6元解锁全部数独教程 | $0.99 | one-time |
| 180个金币 | $1.99 | one-time |
| 360个金币 | $2.99 | one-time |


## Frequently asked questions

### Is Speed math free?

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

### Is 数独天天练 free?

数独天天练 is free to download, with in-app purchases available.

### Do Speed math or 数独天天练 have ads?

Speed math shows ads; 数独天天练 does not.

### Which is updated more often, Speed math or 数独天天练?

Speed math ships an update every 11 months, and 数独天天练 every 28 months. Most recently, Speed math was updated on November 2, 2026 and 数独天天练 on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*