iSource Browser vs HTML Viewer Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iSource Browser
This web browser offers standard browsing capabilities along with advanced tools for inspecting web page source code, HTTP headers, and network information. It includes a JavaScript debugger and WHOIS lookup for in-depth site analysis.
- HTML source view
- WHOIS lookup
- DIG and HOST lookup
- HTTP Headers inspection
- JavaScript debug console
- Integration with other apps
Read full descriptionHide full description
iSource Browser is a source-aware web browser for the iPhone & iPad. It is a fully functional web browser with the following additional features: - HTML source view - WHOIS lookup - DIG lookup - HOST lookup - HTTP Headers - all request and response headers with status codes - Javascript debug console - inspection and debugging of WebView controls - Full integration with Email, SMS, Twitter, Hipchat, Wunderlist, Asana, Fancy, and more! As with any web browser, you can surf to any site on the web as you would in Safari, with the added bonus of transparency. With a tap of the screen you can view a page's HTML source, it's HTTP request and response headers, DiG & host information, as well as information detailing who owns and administers the site (whois). However, iSource's most powerful function is the new Javascript debugging console, where you can inspect console messages, query the DOM, and more! Best of all, it's free. iSource Browser is a must-have for any IT professional!
HTML Viewer Pro
View HTML source code from URLs or directly from Safari. This app offers multi-tab browsing, bookmarking, and search functionality. Customize the display with various themes, fonts, and user agents.
- View source code from URLs
- View source code from Safari share
- Multi-tab browsing
- Bookmark and history management
- Keyword search in source code
- Switch between static and dynamic HTML
- Customizable themes and fonts
Read full descriptionHide full description
It is a multi-functional HTML source viewer. You can view the source code by URLs, and of course, you can also view the source code from Safari's share button. Since it is the latest version of the app, it covers almost all the features of other apps. [Features & Functions] - Browser and source code switching. - Multi-tab browsing. - Display bookmarks and history. - Search for keywords in the source code. - Switch between static and dynamic HTML. - Changing the user agent. - Display non-HTML languages. - Use the cloud, such as iCloud, Dropbox, OneDrive, etc. - Use local files in the iPhone and iPad. - Balanced light operation. [View source code] - About 90 different design themes available. - Change the font, size and line spacing. - Switch between static and dynamic HTML. - Support for almost all programming languages (over 180). [Terms & Conditions] https://www.hayaya.net/terms-conditions/html-viewer.html [Privacy Policy] https://www.hayaya.net/privacy-policy/html-viewer.html
Screenshots
Verdict
The clearest difference is in-app purchases: iSource Browser at none against HTML Viewer Pro's 2. iSource Browser also leads on ads (none vs shown) and update cadence (every 3 months vs every 15 months). On price, rating, review sentiment and ratings volume 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
Both are free to download. HTML Viewer Pro sells 2 in-app purchases, starting at $1.99 per month. iSource Browser asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.0 for iSource Browser against 3.9 for HTML Viewer Pro. Both are backed by a comparable volume of ratings — 21 and 45 respectively. Written reviews are what separate them: 50% of iSource Browser's written reviews are positive against 47% of HTML Viewer Pro's.
iSource Browser ships an update every 3 months, HTML Viewer Pro every 15 months. The most recent releases landed on August 1, 2026 and September 5, 2026 respectively.
| Parameter | iSource Browser | HTML Viewer Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (21 ratings) — better | 3.9 (45 ratings) |
| Positive reviews | 50.0% of reviews — better | 47.4% of reviews |
| Number of ratings | 21 | 45 — better |
| Update frequency | Every 3 months — better | Every 15 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 7 MB | 33 MB |
| Age rating | 17+ | 17+ |
| Developer | Gamu apps | Hayato Shimizu |
Customer experience
iSource Browser
HTML Viewer Pro
In-app purchases
iSource Browser
No in-app purchases
HTML Viewer Pro
- Premium (Monthly plan)$1.991 Month
- Premium (Buying out)$19.99
Questions
Is iSource Browser free?
Is HTML Viewer Pro free?
Which has better reviews, iSource Browser or HTML Viewer Pro?
Do iSource Browser or HTML Viewer Pro have ads?
Which is updated more often, iSource Browser or HTML Viewer Pro?
Other comparisons
