# AIFA Smart vs 智慧家

The clearest difference is update cadence: AIFA Smart at every 5 weeks against 智慧家's every 55 months. 智慧家's advantage is 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.

AIFA Smart ships an update every 5 weeks, 智慧家 every 55 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | AIFA Smart | 智慧家 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 55 months |
| Size | 52 MB | 394 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aifa technology corp.](https://appshunter.io/developer/883572171) | [DoorGuard Technology Co., Ltd.](https://appshunter.io/developer/1612774860) |

## What reviewers say

### AIFA Smart

[App page](https://appshunter.io/ios/app/aifa-smart/id1519298173)

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

**In-app purchases:** none


### 智慧家

[App page](https://appshunter.io/ios/app/dg-lock/id1612774858)

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

**In-app purchases:** none


## Frequently asked questions

### Is AIFA Smart free?

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

### Is 智慧家 free?

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

### Do AIFA Smart or 智慧家 have ads?

Neither AIFA Smart nor 智慧家 shows ads.

### Which is updated more often, AIFA Smart or 智慧家?

AIFA Smart ships an update every 5 weeks, and 智慧家 every 55 months. Most recently, AIFA Smart was updated on October 14, 2026 and 智慧家 on October 6, 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.*