# i vs 明眸拍Pro

The clearest difference is update cadence: i at every 5 weeks against 明眸拍Pro's every 4 months. i also leads on iOS requirement (12.0 vs 15.5.0). 明眸拍Pro's advantage is device support (3 vs 1). 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.

i ships an update every 5 weeks, 明眸拍Pro every 4 months. The most recent releases landed on September 18, 2026 and July 3, 2026 respectively.

## The numbers

| Metric | i | 明眸拍Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pro/id6743955850/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 166 MB | 77 MB |
| Requires iOS | **12.0** | 15.5.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [宁波明星科技发展有限公司](https://appshunter.io/developer/1271975555) | [Peking Aoying Technology Co., Ltd](https://appshunter.io/developer/1752356682) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-optik-optometry/id1271975556)

**Features:** macOS Compatibility

**In-app purchases:** none


### 明眸拍Pro

[App page](https://appshunter.io/ios/app/pro/id6743955850)

This app offers a professional, automated, and engaging way to train your ciliary muscles. Connect a special device to easily improve your eye's focusing ability.

**Highlights:** Ciliary muscle training, Automated training sessions, Professional eye exercises, Engaging user experience, Connects with specialized device

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is 明眸拍Pro free?

明眸拍Pro is free to download, with no in-app purchases.

### Do i or 明眸拍Pro have ads?

Neither i nor 明眸拍Pro shows ads.

### Which is updated more often, i or 明眸拍Pro?

i ships an update every 5 weeks, and 明眸拍Pro every 4 months. Most recently, i was updated on September 18, 2026 and 明眸拍Pro on July 3, 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.*