# ScanX vs DDchat AI

The clearest difference is rating: DDchat AI at 5.0 against ScanX's 4.1. DDchat AI also leads on update cadence (every 3 days vs fortnightly). ScanX's advantage is review sentiment (100% vs 88%) and monetization model (free with in-app purchases vs paid). On price, ads, in-app purchases and device support there is nothing between them.

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

DDchat AI holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: ScanX has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 100% of ScanX's written reviews are positive against 88% of DDchat AI's, so the app with the better star average is not the one people write more warmly about.

ScanX ships an update fortnightly, DDchat AI every 3 days. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ScanX | DDchat AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (8 ratings)](https://appshunter.io/ios/app/scanx-pdf-document-scanner-with-ocr/id1123617187/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ddchat-ai/id6766894679/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | **100.0% of reviews** | 87.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 63 MB | 12 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yasir Javed](https://appshunter.io/developer/725198352) | [俊华 乔](https://appshunter.io/developer/1896311102) |

## What reviewers say

### ScanX

[App page](https://appshunter.io/ios/app/scanx-pdf-document-scanner-with-ocr/id1123617187)

This app transforms your mobile device into a powerful document scanner. It captures documents, receipts, and notes, converting them into high-quality PDFs or JPGs. Advanced OCR technology extracts text for editing and sharing across multiple languages.

**Highlights:** Automatic document detection, Scan to PDF or JPG, OCR text extraction, Multi-language OCR support, Share documents and text, Adjust scan brightness and contrast

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScanX Pro | $0.99 | per month |
| ScanX Pro | $9.99 | per year |


### 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 |


## Frequently asked questions

### Is ScanX free?

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

### Is DDchat AI free?

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

### Which has better reviews, ScanX or DDchat AI?

DDchat AI is rated higher. ScanX averages 4.1 out of 5 from 8 ratings, while DDchat AI averages 5.0 from 1 ratings.

### Do ScanX or DDchat AI have ads?

Neither ScanX nor DDchat AI shows ads.

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

ScanX ships an update fortnightly, and DDchat AI every 3 days. Most recently, ScanX was updated on October 9, 2026 and DDchat AI on October 17, 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.*