# i vs 智慧門禁

The clearest difference is update cadence: i at every 6 weeks against 智慧門禁's every 43 months. i also leads on iOS requirement (9.0 vs 14.4). 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.

i ships an update every 6 weeks, 智慧門禁 every 43 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | i | 智慧門禁 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 43 months |
| Size | 2 MB | 4 MB |
| Requires iOS | **9.0** | 14.4 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [SMARTCHIP MICROELECTRONICS CORP.](https://appshunter.io/developer/872823142) | [TIH, Corp.](https://appshunter.io/developer/1141440322) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-key/id1491446265)

**Features:** macOS Compatibility

**In-app purchases:** none


### 智慧門禁

[App page](https://appshunter.io/ios/app/id1592980837)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is 智慧門禁 free?

智慧門禁 is free to download, with no in-app purchases.

### Do i or 智慧門禁 have ads?

Neither i nor 智慧門禁 shows ads.

### Which is updated more often, i or 智慧門禁?

i ships an update every 6 weeks, and 智慧門禁 every 43 months. Most recently, i was updated on October 26, 2026 and 智慧門禁 on October 27, 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.*