# PingModel vs DDchat AI

The clearest difference is iOS requirement: PingModel at 17.0 against DDchat AI's 26.0. 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.

## The numbers

| Metric | PingModel | DDchat AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ddchat-ai/id6766894679/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Paid |
| Size | 3 MB | 11 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Blupurple Design Ltd.](https://appshunter.io/developer/530891387) | [俊华 乔](https://appshunter.io/developer/1896311102) |

## What reviewers say

### PingModel

[App page](https://appshunter.io/ios/app/pingmodel/id6758910107)

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

**In-app purchases:** none


### 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:** none


## Frequently asked questions

### Is PingModel free?

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

### Is DDchat AI free?

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

### Do PingModel or DDchat AI have ads?

Neither PingModel nor DDchat AI shows ads.

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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.*