Source Viewer XL vs ChmPlus Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
ChmPlus Lite
This app allows you to read and manage various document formats, including CHM and EPUB, on your iPhone or iPad. It offers features like highlighting, bookmarking, searching, and file transfer. You can also manage files, create text documents, and save images.
- Read CHM and EPUB files
- Highlight, bookmark, and annotate
- Full-text search
- Wi-Fi and iTunes file transfer
- Passcode lock for files
- Support for multiple document and archive formats
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ChmPlus Reader (CHM+) is a feature-rich CHM (Microsoft Compiled HTML Help) document/ebook reader for iPhone/iPad. ChmPlus Reader now supports passcode lock! CHM/EPUB Document Support: • Highlight / bookmark / annotation • Search (find on page & document-wide search) • Open CHM files instantly (even with huge files) • Supports CHM files in different languages • Supports pinch to zoom • Navigate through table of contents • Supports full screen mode • Supports auto rotation and orientation lock • Long press on an image to: 1) save the image to photo album 2) copy the image to clipboard (and paste it into your email) • Night mode (white text on black background) File Management: • Transfer files via Wi-Fi (FTP & HTTP) / iTunes File Sharing • Create/copy/move/rename/delete files and folders • Passcode lock • Support opening document with other applications • Import documents from other applications • Create/edit text documents • Send multiple Email attachments • Create .zip archives • Save image to Photos • Browse and manage remote files (FTP/FTPS, SFTP and WebDAV) Supported File Types: • .chm (Microsoft Compiled HTML Help) • .epub (electronic publication) • MS Office - .doc, .ppt., .xls, .docx, .xlsx, .pptx • iWork '08/'09 (Pages, Numbers, Keynote) • PDF, HTML, RTF, .mht, Safari webarchives and text files • .zip, .rar, .7z, .bz2, .gz, .tar and various other archive file types • High resolution images • Audio and video ==SUPPORT== - https://langui.net/chmplus/
Screenshots
Verdict
The clearest difference is price: ChmPlus Lite at Free against Source Viewer XL's $1.99. ChmPlus Lite also leads on update cadence (monthly vs every 28 months) and device support (3 vs 1). Source Viewer XL's advantage is rating (4.7 vs 3.6) and ads (none vs shown). On review sentiment and in-app purchases 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
ChmPlus Lite is free to download; Source Viewer XL costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Source Viewer XL holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews point the same way: 57% of Source Viewer XL's written reviews are positive against 49% of ChmPlus Lite's.
Source Viewer XL ships an update every 28 months, ChmPlus Lite monthly. The most recent releases landed on September 15, 2026 and September 27, 2026 respectively.
| Parameter | Source Viewer XL | ChmPlus Lite |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.7 (3 ratings) — better | 3.6 (11 ratings) |
| Positive reviews | 57.1% of reviews — better | 49.3% of reviews |
| Number of ratings | 3 | 11 — better |
| Update frequency | Every 28 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 13 MB |
| Age rating | 17+ | 4+ |
| Developer | Piet Jonas | 兰桂 吴 |
Customer experience
Source Viewer XL
ChmPlus Lite
In-app purchases
Source Viewer XL
No in-app purchases
ChmPlus Lite
No in-app purchases
