Comparison

Ad Testing vs HTML Viewer Pro

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

Head to head
About

Ad Testing

Test interactive and video ad creatives in a native environment. Analyze and test playable, video, and AR ads to ensure they function correctly on the Unity Ads network.

Highlights
  • Test interactive ads
  • Test video ads
  • Test AR ads
  • Analyze ad creatives
  • Unity Ads network compatibility
Features
Read full description

A native Unity Ads environment to test interactive and video ads creatives. Playable ads and video ads can be analyzed and tested with the app to guarantee function on the UnityAds network.

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

Screenshots

Ad Testing2 screens
HTML Viewer Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Ad Testing at none against HTML Viewer Pro's 2. Ad Testing also leads on update cadence (every 4 months vs every 15 months). HTML Viewer Pro's advantage is review sentiment (49% vs 33%) and ratings volume (45 vs 6). On price, rating, ads and monetization model 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. Ad Testing asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

HTML Viewer Pro holds the better App Store score, 3.9 against 3.7. That said, the two scores are not equally well evidenced: HTML Viewer Pro has 45 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 33% of Ad Testing's written reviews are positive against 49% of HTML Viewer Pro's.

UpkeepUpdate frequency

Ad Testing ships an update every 4 months, HTML Viewer Pro every 15 months. The most recent releases landed on September 21, 2026 and October 10, 2026 respectively.

Scorecard5 real differences · 5 level
Ad Testing versus HTML Viewer Pro: the parameters behind the verdict, then further details
ParameterAd TestingHTML Viewer Pro
PriceFreeFree
Rating3.7 (6 ratings)3.9 (45 ratings) — better
Positive reviews33.3% of reviews49.1% of reviews — better
Number of ratings645 — better
Update frequencyEvery 4 months — betterEvery 15 months
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size37 MB33 MB
Age rating4+17+
DeveloperUnity Technologies ApSHayato Shimizu

Customer experience

Ad Testing

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews6 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

HTML Viewer Pro

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

In-app purchases

None

Ad Testing

No in-app purchases

2 purchases

HTML Viewer Pro

Subscriptions1
  • Premium (Monthly plan)$1.991 Month
One-time1
  • Premium (Buying out)$19.99

Questions

Is Ad Testing free?
Ad Testing is free to download, with no in-app purchases.
Is HTML Viewer Pro free?
HTML Viewer Pro is free to download, with in-app purchases available.
Which has better reviews, Ad Testing or HTML Viewer Pro?
HTML Viewer Pro is rated higher. Ad Testing averages 3.7 out of 5 from 6 ratings, while HTML Viewer Pro averages 3.9 from 45 ratings.
Do Ad Testing or HTML Viewer Pro have ads?
Both Ad Testing and HTML Viewer Pro show ads.
Which is updated more often, Ad Testing or HTML Viewer Pro?
Ad Testing ships an update every 4 months, and HTML Viewer Pro every 15 months. Most recently, Ad Testing was updated on September 21, 2026 and HTML Viewer Pro on October 10, 2026.

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