# 生物记 vs Presentis

The clearest difference is update cadence: Presentis at every 2 weeks against 生物记's every 3 months. 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.

生物记 ships an update every 3 months, Presentis every 2 weeks. The most recent releases landed on September 13, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 生物记 | Presentis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 94 MB | 80 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京微普科创科技有限公司](https://appshunter.io/developer/1073525273) | [Presentis B.V.](https://appshunter.io/developer/1437635188) |

## What reviewers say

### 生物记

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

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

**In-app purchases:** none


### Presentis

[App page](https://appshunter.io/ios/app/presentis/id1473802809)

**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 Presentis free?

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

### Do 生物记 or Presentis have ads?

Neither 生物记 nor Presentis shows ads.

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

生物记 ships an update every 3 months, and Presentis every 2 weeks. Most recently, 生物记 was updated on September 13, 2026 and Presentis on June 1, 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.*