# Maths Rate Animation vs 生物记

The clearest difference is price: 生物记 at Free against Maths Rate Animation's $3.99. 生物记 also leads on update cadence (every 3 months vs every 17 months). Maths Rate Animation's advantage is iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

生物记 is free to download; Maths Rate Animation costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Maths Rate Animation ships an update every 17 months, 生物记 every 3 months. The most recent releases landed on November 2, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Maths Rate Animation | 生物记 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Size | 14 MB | 94 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [Willie van Schalkwyk](https://appshunter.io/developer/1016415734) | [北京微普科创科技有限公司](https://appshunter.io/developer/1073525273) |

## What reviewers say

### Maths Rate Animation

[App page](https://appshunter.io/ios/app/maths-rate-animation/id1367959788)

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

**In-app purchases:** none


### 生物记

[App page](https://appshunter.io/ios/app/id1468297340)

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

**In-app purchases:** none


## Frequently asked questions

### Is Maths Rate Animation free?

Maths Rate Animation costs $3.99, with no in-app purchases.

### Is 生物记 free?

生物记 is free to download, with no in-app purchases.

### Do Maths Rate Animation or 生物记 have ads?

Neither Maths Rate Animation nor 生物记 shows ads.

### Which is updated more often, Maths Rate Animation or 生物记?

Maths Rate Animation ships an update every 17 months, and 生物记 every 3 months. Most recently, Maths Rate Animation was updated on November 2, 2026 and 生物记 on October 26, 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.*