# 24小时医学 vs VitaVitro OPS

The clearest difference is in-app purchases: VitaVitro OPS at none against 24小时医学's 1. VitaVitro OPS also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 24小时医学 sells 1 one-off in-app purchase. VitaVitro OPS asks for nothing beyond the download.

24小时医学 ships an update every 3 weeks, VitaVitro OPS every 3 days. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 24小时医学 | VitaVitro OPS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 29 MB | 83 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [医讯通信息科技有限公司](https://appshunter.io/developer/1123907244) | [Shenzhen VitaVitro Biotech Co,. Ltd](https://appshunter.io/developer/1519739185) |

## What reviewers say

### 24小时医学

[App page](https://appshunter.io/ios/app/24/id1031842193)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 医学会议 | $0.99 | one-time |


### VitaVitro OPS

[App page](https://appshunter.io/ios/app/vitavitro-ops/id1519739183)

**In-app purchases:** none


## Frequently asked questions

### Is 24小时医学 free?

24小时医学 is free to download, with in-app purchases available.

### Is VitaVitro OPS free?

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

### Do 24小时医学 or VitaVitro OPS have ads?

Neither 24小时医学 nor VitaVitro OPS shows ads.

### Which is updated more often, 24小时医学 or VitaVitro OPS?

24小时医学 ships an update every 3 weeks, and VitaVitro OPS every 3 days. Most recently, 24小时医学 was updated on October 14, 2026 and VitaVitro OPS on October 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.*