# DDchat AI vs RouteProof

The clearest difference is update cadence: DDchat AI at every 3 days against RouteProof's every 2 months. RouteProof's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DDchat AI sells 2 one-off in-app purchases and RouteProof sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

DDchat AI ships an update every 3 days, RouteProof every 2 months. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DDchat AI | RouteProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/ddchat-ai/id6766894679/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 94.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free | — |
| Size | 17 MB | 6 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [俊华 乔](https://appshunter.io/developer/1896311102) | [慧慧 高](https://appshunter.io/developer/1887721875) |

## What reviewers say

### DDchat AI

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

This AI chat client offers a minimalist, native iOS experience with advanced features like web search, multimodal understanding, and HTML rendering. Connect your own APIs to access various AI models and customize assistants for specific tasks. Enjoy a privacy-first design with local data storage.

**Highlights:** Web search with citations, Multimodal image understanding, HTML rendering engine, Math and diagram rendering, Task-specific assistants, Visualized reasoning previews, Local data storage

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (2)**

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


### RouteProof

[App page](https://appshunter.io/ios/app/routeproof/id6769438893)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Annual | $14.99 | per year |
| Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is DDchat AI free?

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

### Is RouteProof free?

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

### Do DDchat AI or RouteProof have ads?

Neither DDchat AI nor RouteProof shows ads.

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

DDchat AI ships an update every 3 days, and RouteProof every 2 months. Most recently, DDchat AI was updated on November 7, 2026 and RouteProof 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.*