# Source Viewer XL vs Chessvision.ai Chess Scanner

The clearest difference is price: Chessvision.ai Chess Scanner at Free against Source Viewer XL's $1.99. Chessvision.ai Chess Scanner also leads on update cadence (every 4 months vs every 28 months) and ratings volume (1.1K vs 3). Source Viewer XL's advantage is in-app purchases (none vs 2). On rating and ads there is nothing between them.

Chessvision.ai Chess Scanner is free to download; Source Viewer XL costs $1.99 up front. Chessvision.ai Chess Scanner sells 2 in-app purchases, starting at $5.99 per month. Source Viewer XL asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Source Viewer XL against 4.8 for Chessvision.ai Chess Scanner. That said, the two scores are not equally well evidenced: Chessvision.ai Chess Scanner has 1.1K ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 57% of Source Viewer XL's written reviews are positive against 69% of Chessvision.ai Chess Scanner's.

Source Viewer XL ships an update every 28 months, Chessvision.ai Chess Scanner every 4 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Source Viewer XL | Chessvision.ai Chess Scanner |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/source-viewer-xl/id364691406/reviews) | **[4.8 (1.1K ratings)](https://appshunter.io/ios/app/chessvisionai-chess-scanner/id1574933453/reviews)** |
| Number of ratings | 3 | **1.1K** |
| Positive reviews | 57.1% of reviews | **68.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 4 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 24 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Pawel Kacprzak](https://appshunter.io/developer/1574933455) |

## What reviewers say

### Source Viewer XL

[App page](https://appshunter.io/ios/app/source-viewer-xl/id364691406)

View the HTML, CSS, and JavaScript source code of any website. Highlighted syntax, extracted links, and image galleries make code analysis easy. Save images, bookmarks, and history for later.

**Highlights:** Syntax highlighting for HTML, CSS, and JavaScript, Extracts and follows embedded links, Lists and views all website images, Saves images to photo album, Bookmark and session history management, Copy/paste code functionality

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

**In-app purchases:** none


### Chessvision.ai Chess Scanner

[App page](https://appshunter.io/ios/app/chessvisionai-chess-scanner/id1574933453)

Instantly analyze chess positions from images or videos. Scan diagrams from books or live streams and get engine analysis. Save positions, find related videos, and explore games.

**Highlights:** Scan chess positions from images and video, Analyze positions with a chess engine, Save scanned positions to a library, Find and play related chess videos, Explore games matching scanned positions, Share scanned diagrams

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chessvision.ai Membership | $5.99 | per month |
| Chessvision.ai Membership | $45.99 | per year |

**What reviewers like**

- 🚀 Instant scanning and analysis
- 👍 Easy to use and efficient
- 🔍 Accurate chess position recognition
- 💡 Helpful for chess training and puzzle solving
- 🤖 Powerful chess engine integration

**What reviewers complain about**

- 🐛 Inconsistent scanning accuracy
- 💰 Expensive subscription model
- 🔒 Limited free usage
- 🔍 Lack of subvariation support
- 🤖 Insufficient move explanation

**Reported bugs**

- Crashing issues
- Inverted board orientation
- Disappearing saved positions
- Compatibility problems on M1 Macs

**Requested features**

- Ability to save and manage scanned positions
- Integration with other chess platforms
- Offline analysis capabilities
- Support for handwritten chess notation
- Customizable analysis settings


## Frequently asked questions

### Is Source Viewer XL free?

Source Viewer XL costs $1.99, with no in-app purchases.

### Is Chessvision.ai Chess Scanner free?

Chessvision.ai Chess Scanner is free to download, with in-app purchases available.

### Which has better reviews, Source Viewer XL or Chessvision.ai Chess Scanner?

Chessvision.ai Chess Scanner is rated higher. Source Viewer XL averages 4.7 out of 5 from 3 ratings, while Chessvision.ai Chess Scanner averages 4.8 from 1.1K ratings.

### Do Source Viewer XL or Chessvision.ai Chess Scanner have ads?

Neither Source Viewer XL nor Chessvision.ai Chess Scanner shows ads.

### Which is updated more often, Source Viewer XL or Chessvision.ai Chess Scanner?

Source Viewer XL ships an update every 28 months, and Chessvision.ai Chess Scanner every 4 months. Most recently, Source Viewer XL was updated on October 23, 2026 and Chessvision.ai Chess Scanner on October 27, 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.*