# DDchat AI vs OrangeWrite

The clearest difference is in-app purchases: OrangeWrite at none against DDchat AI's 2. OrangeWrite also leads on device support (4 vs 2) and iOS requirement (13.0 vs 26.0). DDchat AI's advantage is update cadence (every 3 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. DDchat AI sells 2 one-off in-app purchases. OrangeWrite asks for nothing beyond the download.

DDchat AI ships an update every 3 days, OrangeWrite every 3 weeks. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | DDchat AI | OrangeWrite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ddchat-ai/id6766894679/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 12 MB | 71 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [俊华 乔](https://appshunter.io/developer/1896311102) | [北京智卓凯科技有限公司](https://appshunter.io/developer/1746308700) |

## What reviewers say

### DDchat AI

[App page](https://appshunter.io/ios/app/ddchat-ai/id6766894679)

A native iOS AI chat client offering a polished and fluid user experience. It supports multiple AI models and protocols, with advanced features like visualized chain-of-thought and task-specific assistants. All data remains on your device for enhanced privacy.

**Highlights:** Native iOS feel with fluid animations, Supports Chat Completions and Anthropic protocols, Automatic model capability detection, Visualized chain-of-thought reasoning, Task-specific AI assistants, Inline HTML rendering with Markdown support, Privacy-first, zero data upload

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DDchat Pro Lifetime (Offer) | $1.99 | one-time |
| DDchat Pro Lifetime | $9.99 | one-time |


### OrangeWrite

[App page](https://appshunter.io/ios/app/orangewrite/id6777703659)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DDchat AI free?

DDchat AI is free to download, with in-app purchases available.

### Is OrangeWrite free?

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

### Do DDchat AI or OrangeWrite have ads?

Neither DDchat AI nor OrangeWrite shows ads.

### Which is updated more often, DDchat AI or OrangeWrite?

DDchat AI ships an update every 3 days, and OrangeWrite every 3 weeks. Most recently, DDchat AI was updated on October 21, 2026 and OrangeWrite on October 5, 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.*