# D vs 智领域AI

The clearest difference is update cadence: 智领域AI at fortnightly against D's monthly. 智领域AI also leads on iOS requirement (13.0 vs 15.6). 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.

D ships an update monthly, 智领域AI fortnightly. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | D | 智领域AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 16 MB | 69 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ONLYOWNER TECHNOLOGY LIMITED](https://appshunter.io/developer/1808290458) | [北京智域文化传媒有限公司](https://appshunter.io/developer/1863878940) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-zone/id6752286557)

**Features:** macOS Compatibility

**In-app purchases:** none


### 智领域AI

[App page](https://appshunter.io/ios/app/ai/id6759941636)

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

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is 智领域AI free?

智领域AI is free to download, with no in-app purchases.

### Do D or 智领域AI have ads?

Neither D nor 智领域AI shows ads.

### Which is updated more often, D or 智领域AI?

D ships an update monthly, and 智领域AI fortnightly. Most recently, D was updated on October 9, 2026 and 智领域AI on October 10, 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.*