# PHP Kurs vs 生物记

The clearest difference is update cadence: 生物记 at every 3 months against PHP Kurs's every 19 months. PHP Kurs's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

PHP Kurs ships an update every 19 months, 生物记 every 3 months. The most recent releases landed on March 6, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | PHP Kurs | 生物记 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Size | 87 MB | 94 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eberhard Heuel](https://appshunter.io/developer/881793184) | [北京微普科创科技有限公司](https://appshunter.io/developer/1073525273) |

## What reviewers say

### PHP Kurs

[App page](https://appshunter.io/ios/app/php-kurs/id1098781647)

**Features:** macOS Compatibility

**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 PHP Kurs free?

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

### Is 生物记 free?

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

### Do PHP Kurs or 生物记 have ads?

Neither PHP Kurs nor 生物记 shows ads.

### Which is updated more often, PHP Kurs or 生物记?

PHP Kurs ships an update every 19 months, and 生物记 every 3 months. Most recently, PHP Kurs was updated on March 6, 2026 and 生物记 on September 13, 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.*