Comparison

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.

Head to head
About

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.

Highlights
  • 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
Features
Read 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

About

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.

Highlights
  • 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
Features
Read full description

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

HTML Viewer Pro4 screens
Who's in space?4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

HTML Viewer Pro ships an update every 15 months, Who's in space? every 3 months. Both last shipped on October 24, 2026.

Scorecard8 real differences · 2 level
HTML Viewer Pro versus Who's in space?: the parameters behind the verdict, then further details
ParameterHTML Viewer ProWho's in space?
PriceFreeFree
Rating3.9 (45 ratings) — better3.2 (11 ratings)
Positive reviews49.1% of reviews — better33.3% of reviews
Number of ratings45 — better11
Update frequencyEvery 15 monthsEvery 3 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size33 MB12 MB
Age rating17+4+
DeveloperHayato ShimizuRyan Fielder

Customer experience

HTML Viewer Pro

All ratings45 ratings
Positive68.9%
Neutral8.9%
Negative22.2%
Written reviews53 reviews
Positive49.1%
Neutral13.2%
Negative37.7%

Who's in space?

All ratings11 ratings
Positive54.5%
Neutral0.0%
Negative45.5%
Written reviews9 reviews
Positive33.3%
Neutral11.1%
Negative55.6%

In-app purchases

2 purchases

HTML Viewer Pro

Subscriptions1
  • Premium (Monthly plan)$1.991 Month
One-time1
  • Premium (Buying out)$19.99
None

Who's in space?

No in-app purchases

Questions

Is HTML Viewer Pro free?
HTML Viewer Pro is free to download, with in-app purchases available.
Is Who's in space? free?
Who's in space? is free to download, with no in-app purchases.
Which has better reviews, HTML Viewer Pro or Who's in space??
HTML Viewer Pro is rated higher. HTML Viewer Pro averages 3.9 out of 5 from 45 ratings, while Who's in space? averages 3.2 from 11 ratings.
Do HTML Viewer Pro or Who's in space? have ads?
HTML Viewer Pro shows ads; Who's in space? does not.
Which is updated more often, HTML Viewer Pro or Who's in space??
HTML Viewer Pro ships an update every 15 months, and Who's in space? every 3 months. Most recently, HTML Viewer Pro was updated on October 24, 2026 and Who's in space? on October 24, 2026.

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