# O vs 智能临研i

The clearest difference is update cadence: 智能临研i at every 2 weeks against O's every 4 weeks. 智能临研i also leads on iOS requirement (13.0 vs 15.0). 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.

O ships an update every 4 weeks, 智能临研i every 2 weeks. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | O | 智能临研i |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Size | 28 MB | 44 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [铨融 (苏州)医药科技开发有限公司](https://appshunter.io/developer/1253822764) | [创达医药科技(上海)有限公司](https://appshunter.io/developer/1388792400) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-trial-plus/id1423521217)

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

**In-app purchases:** none


### 智能临研i

[App page](https://appshunter.io/ios/app/i/id6745175537)

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

**In-app purchases:** none


## Frequently asked questions

### Is O free?

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

### Is 智能临研i free?

智能临研i is free to download, with no in-app purchases.

### Do O or 智能临研i have ads?

Neither O nor 智能临研i shows ads.

### Which is updated more often, O or 智能临研i?

O ships an update every 4 weeks, and 智能临研i every 2 weeks. Most recently, O was updated on October 12, 2026 and 智能临研i 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.*