# 生物记 vs ITeacher

The clearest difference is iOS requirement: ITeacher at 13.0 against 生物记's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 生物记 | ITeacher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (14 ratings)](https://appshunter.io/ios/app/iteacher/id1474099621/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Free |
| Size | 94 MB | 16 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [北京微普科创科技有限公司](https://appshunter.io/developer/1073525273) | [Fahkry Zaben](https://appshunter.io/developer/1474099620) |

## What reviewers say

### 生物记

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

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

**In-app purchases:** none


### ITeacher

[App page](https://appshunter.io/ios/app/iteacher/id1474099621)

A digital learning platform offering high-quality academic and non-academic courses across various fields. Taught by specialized academics, it aims to share knowledge beyond traditional educational institutions and foster a skilled generation.

**Highlights:** High-quality academic courses, Non-academic skill development, Expert instructors, Quality assurance, Knowledge sharing beyond institutions, Skill and thought development

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 生物记 free?

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

### Is ITeacher free?

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

### Do 生物记 or ITeacher have ads?

Neither 生物记 nor ITeacher shows ads.

### Which is updated more often, 生物记 or ITeacher?

生物记 ships an update every 3 months, and ITeacher every 3 months. Most recently, 生物记 was updated on October 17, 2026 and ITeacher on October 4, 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.*