HTML Viewer Pro vs Who's in space?
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
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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
Who's in space?
This app provides real-time information on the number of people currently in space. Explore astronaut profiles, track upcoming and past launches, and monitor the ISS's live location. Features a redesigned interface with customizable themes and new home screen widgets.
- Real-time astronaut count
- Astronaut background and career details
- Upcoming and past launch information
- Live ISS location tracking
- Customizable themes and accent colors
- Home screen widgets
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Want to know how many people are currently in space? Check out our handy widget for quick access to this information, or dive deeper into the app to discover more about the astronauts themselves. Learn about their background, career highlights, and more. But that's not all! Stay informed about upcoming and previous launches, including details on which rockets are launching and from where. Plus, track the location of the ISS in real-time to see where it is in orbit around the Earth. And with a completely redesigned interface, the app is now faster and more efficient than ever before. We've also added new widgets like the Upcoming Launch Widget and the Astronaut Widget, so you can keep track of the latest launches right from your home screen. And with new themes and accent colors, you can customize the look and feel of the app to your liking. Whether you're a space enthusiast or just looking to learn more about the latest space missions, download our app today and start exploring the final frontier!
Screenshots
Verdict
The clearest difference is rating: HTML Viewer Pro at 3.9 against Who's in space?'s 3.2. HTML Viewer Pro also leads on review sentiment (49% vs 33%) and ratings volume (45 vs 11). Who's in space?'s advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and device support 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. Who's in space? asks for nothing beyond the download.
HTML Viewer Pro holds the better App Store score, 3.9 against 3.2. Both are backed by a comparable volume of ratings — 45 and 11 respectively. Written reviews point the same way: 49% of HTML Viewer Pro's written reviews are positive against 33% of Who's in space?'s.
HTML Viewer Pro ships an update every 15 months, Who's in space? every 3 months. Both last shipped on October 24, 2026.
| Parameter | HTML Viewer Pro | Who's in space? |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (45 ratings) — better | 3.2 (11 ratings) |
| Positive reviews | 49.1% of reviews — better | 33.3% of reviews |
| Number of ratings | 45 — better | 11 |
| Update frequency | Every 15 months | Every 3 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 33 MB | 12 MB |
| Age rating | 17+ | 4+ |
| Developer | Hayato Shimizu | Ryan Fielder |
Customer experience
HTML Viewer Pro
Who's in space?
In-app purchases
HTML Viewer Pro
- Premium (Monthly plan)$1.991 Month
- Premium (Buying out)$19.99
Who's in space?
No in-app purchases
Questions
Is HTML Viewer Pro free?
Is Who's in space? free?
Which has better reviews, HTML Viewer Pro or Who's in space??
Do HTML Viewer Pro or Who's in space? have ads?
Which is updated more often, HTML Viewer Pro or Who's in space??
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