# Smart HDD vs Ai

The clearest difference is update cadence: Ai at every 2 weeks against Smart HDD's every 2 months. Smart HDD's advantage is iOS requirement (8.0 vs 16.2). 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.

Smart HDD ships an update every 2 months, Ai every 2 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | Smart HDD | Ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 126 MB | 30 MB |
| Requires iOS | **8.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [汉福 陈](https://appshunter.io/developer/1636423746) | [chienchia Lo](https://appshunter.io/developer/1705727380) |

## What reviewers say

### Smart HDD

[App page](https://appshunter.io/ios/app/smart-hdd/id980186807)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ai

[App page](https://appshunter.io/ios/app/ai-cloud/id6751182102)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart HDD free?

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

### Is Ai free?

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

### Do Smart HDD or Ai have ads?

Neither Smart HDD nor Ai shows ads.

### Which is updated more often, Smart HDD or Ai?

Smart HDD ships an update every 2 months, and Ai every 2 weeks. Most recently, Smart HDD was updated on October 2, 2026 and Ai on October 2, 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.*