# DDchat AI vs OWrite Pro

The clearest difference is monetization model: OWrite Pro at free with in-app purchases against DDchat AI's paid. OWrite Pro also leads on iOS requirement (18.0 vs 26.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. DDchat AI sells 2 one-off in-app purchases and OWrite Pro sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for DDchat AI against 5.0 for OWrite Pro. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews are what separate them: 94% of DDchat AI's written reviews are positive against 100% of OWrite Pro's.

DDchat AI ships an update every 3 days, OWrite Pro every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | DDchat AI | OWrite Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/ddchat-ai/id6766894679/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/owrite-pro/id6790085987/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | 93.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 15 MB | 21 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [俊华 乔](https://appshunter.io/developer/1896311102) | [琳钧 黄](https://appshunter.io/developer/871641610) |

## 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 |


### OWrite Pro

[App page](https://appshunter.io/ios/app/owrite-pro/id6790085987)

This app integrates notes, tasks, habit tracking, mindful focus sessions, and important date reminders into a single, organized platform. Capture ideas, break down goals, build consistent habits, and stay focused on what matters most.

**Highlights:** Integrated notes with rich text formatting and photo support, Habit tracking with daily streaks or cumulative targets, Task management with subtasks and progress tracking, Mindful focus timer with cumulative hour goals and statistics, Important date tracking with countdowns and widgets, Flexible reminder system with various scheduling options, Home screen for an overview of daily activities

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OWrite Pro Monthly | $0.99 | per month |
| OWrite Pro Monthly | $1.99 | per month |
| OWrite Pro Annual | $9.99 | per year |
| OWrite Pro Annual | $19.99 | per year |
| OWrite Pro Lifetime | $12.99 | one-time |
| OWrite Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is DDchat AI free?

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

### Is OWrite Pro free?

OWrite Pro is free to download, with in-app purchases available.

### Which has better reviews, DDchat AI or OWrite Pro?

DDchat AI and OWrite Pro are both rated 5.0 out of 5 on the App Store, from 5 and 4 ratings respectively.

### Do DDchat AI or OWrite Pro have ads?

Neither DDchat AI nor OWrite Pro shows ads.

### Which is updated more often, DDchat AI or OWrite Pro?

DDchat AI ships an update every 3 days, and OWrite Pro every 5 days. Most recently, DDchat AI was updated on October 31, 2026 and OWrite Pro on October 31, 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.*