# iSpecimen标本伴侣 vs 访问

The clearest difference is update cadence: 访问 at every 6 days against iSpecimen标本伴侣's every 3 months. iSpecimen标本伴侣's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 16.0). On price, 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.

iSpecimen标本伴侣 ships an update every 3 months, 访问 every 6 days. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | iSpecimen标本伴侣 | 访问 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 25 MB | 105 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Institute of Botany, the Chinese Academy of Sciences](https://appshunter.io/developer/1442416435) | [北京访问科技有限公司](https://appshunter.io/developer/6784202174) |

## What reviewers say

### iSpecimen标本伴侣

[App page](https://appshunter.io/ios/app/ispecimen/id1460357623)

**Features:** macOS Compatibility

**In-app purchases:** none


### 访问

[App page](https://appshunter.io/ios/app/ai/id6775397643)

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

**In-app purchases:** none


## Frequently asked questions

### Is iSpecimen标本伴侣 free?

iSpecimen标本伴侣 is free to download, with no in-app purchases.

### Is 访问 free?

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

### Do iSpecimen标本伴侣 or 访问 have ads?

Neither iSpecimen标本伴侣 nor 访问 shows ads.

### Which is updated more often, iSpecimen标本伴侣 or 访问?

iSpecimen标本伴侣 ships an update every 3 months, and 访问 every 6 days. Most recently, iSpecimen标本伴侣 was updated on October 7, 2026 and 访问 on October 12, 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.*