Comparison

Source Viewer XL vs Chessvision.ai Chess Scanner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Source Viewer XL

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
Read full description

Whether you are a web designer or just curious - this application is for you. Source Viewer shows the HTML, CSS and Javascript source code of any website. Features: - Tags, keywords and CSS attributes are highlighted with a different color. - It extracts the links which are embedded into HTML and CSS so that they can be followed easily. - It collects all images from the HTML and CSS which can be viewed separately in a list and full screen. - save images to the photo album - save bookmarks - session history list - toggle word wrap - copy and paste code to clipboard - open the URL in the browser and send it by email

About

Chessvision.ai Chess Scanner

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
Read full description

Scan and analyze chess positions from prints and 2d sources on your smartphone or tablet. Like to watch chess videos from your favorite players or streamers? Now you can analyze what they do and why - live on the video! Stop wondering "is f6 good in this position or not?" - just take a picture of a video and analyze the position with the engine! Need a tip while solving chess puzzles or analyzing a diagram from a chess book? Want to find a video with the scanned position? - Chessvision.ai is here for you. Features: - the app opens the Lichess analysis board with all its functionality - save scanned positions to the Diagram Library so you can easily open them later - the app automatically searches for videos matching scanned chess positions and plays them from the time when the position appears - Video Board Explorer lets you play moves and explore videos matching positions on the board. Load PGN of your games and use the videos to improve - the app automatically finds games matching the scanned position - share screenshots and images directly from other apps to Chessvision.ai for instant and convenient scanning of chess positions - share your scanned chess diagrams as images, making it easier to discuss strategies and positions with your friends or chess colleagues Read the Terms of Use here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Membership available in the app: $5.99/month ($45.99/year) - Unlimited Scans - Unlimited Video Search - Unlimited Video Board Explorer Prices may vary based on your location.

Screenshots

Chessvision.ai Chess Scanner4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 2 level
Source Viewer XL versus Chessvision.ai Chess Scanner: the parameters behind the verdict, then further details
ParameterSource Viewer XLChessvision.ai Chess Scanner
Price$1.99Free — better
Rating4.7 (3 ratings)4.8 (1.1K ratings) — better
Positive reviews57.1% of reviews68.6% of reviews — better
Number of ratings31.1K — better
Update frequencyEvery 28 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS15.611.0 — better
Further details — not scored
Size1 MB24 MB
Age rating17+4+
DeveloperPiet JonasPawel Kacprzak

Customer experience

Source Viewer XL

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive57.1%
Neutral14.3%
Negative28.6%

Chessvision.ai Chess Scanner

All ratings1,048 ratings
Positive94.4%
Neutral1.6%
Negative4.0%
Written reviews121 reviews
Positive68.6%
Neutral9.1%
Negative22.3%

Bugs and requests

Source Viewer XL

Not enough reviews yet to summarise bugs or requests.

Chessvision.ai Chess Scanner

Reported bugs

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

Requested features

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

In-app purchases

None

Source Viewer XL

No in-app purchases

2 purchases

Chessvision.ai Chess Scanner

Subscriptions2
  • Chessvision.ai Membership$5.991 Month
  • Chessvision.ai Membership$45.991 Year

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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