# Pure Math Drills vs 少年卫星跟踪台

The clearest difference is in-app purchases: Pure Math Drills at none against 少年卫星跟踪台's 2. Pure Math Drills also leads on ads (none vs shown). 少年卫星跟踪台's advantage is iOS requirement (16.0 vs 18.4). On price, update cadence and device support there is nothing between them.

Both are free to download. 少年卫星跟踪台 sells 2 one-off in-app purchases. Pure Math Drills asks for nothing beyond the download.

Pure Math Drills ships an update every 5 days, 少年卫星跟踪台 every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Pure Math Drills | 少年卫星跟踪台 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 1 MB | 10 MB |
| Requires iOS | 18.4 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Scriven](https://appshunter.io/developer/1818261951) | [峰 于](https://appshunter.io/developer/6772845425) |

## What reviewers say

### Pure Math Drills

[App page](https://appshunter.io/ios/app/pure-math-drills/id6755940671)

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

**In-app purchases:** none


### 少年卫星跟踪台

[App page](https://appshunter.io/ios/app/id6796221077)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free Base | Free | one-time |
| Pro Device Control | $9.90 | one-time |


## Frequently asked questions

### Is Pure Math Drills free?

Pure Math Drills is free to download, with no in-app purchases.

### Is 少年卫星跟踪台 free?

少年卫星跟踪台 is free to download, with in-app purchases available.

### Do Pure Math Drills or 少年卫星跟踪台 have ads?

少年卫星跟踪台 shows ads; Pure Math Drills does not.

### Which is updated more often, Pure Math Drills or 少年卫星跟踪台?

Pure Math Drills ships an update every 5 days, and 少年卫星跟踪台 every 4 days. Most recently, Pure Math Drills was updated on November 5, 2026 and 少年卫星跟踪台 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.*