Comparison

HTML Viewer Pro vs Sentryx™ AMR

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

Sentryx™ AMR

Read full description

Sentryx™ AMR Sentryx AMR gives utilities a faster, simpler way to perform drive-by meter reading and field diagnostics directly from a mobile device—no laptop required. Integrated with the cloud-based Sentryx Water Intelligence Platform, the app helps field technicians securely collect meter data and upload it in near real time to support efficient utility operations. Built for reliability, scalability, and ease of use, this next-generation mobile app features a modern interface, enhanced performance, and expanded device support. Key capabilities include: • Collect meter data from mobile transceivers using a smartphone or tablet • Upload reads to the cloud in near real time for more accurate, timely billing • Use intuitive workflows to perform drive-by routes and on-site diagnostics • Improve productivity by eliminating manual data transfers and legacy laptop tools Prerequisite: A Sentryx AMR user account is required to operate this app.

Screenshots

HTML Viewer Pro4 screens
Sentryx™ AMR3 screens

Verdict

The call

The clearest difference is in-app purchases: Sentryx™ AMR at none against HTML Viewer Pro's 2. Sentryx™ AMR also leads on ads (none vs shown) and update cadence (fortnightly vs every 15 months). HTML Viewer Pro's advantage is iOS requirement (12.0 vs 16.4). 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. Sentryx™ AMR asks for nothing beyond the download.

UpkeepUpdate frequency

HTML Viewer Pro ships an update every 15 months, Sentryx™ AMR fortnightly. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
HTML Viewer Pro versus Sentryx™ AMR: the parameters behind the verdict, then further details
ParameterHTML Viewer ProSentryx™ AMR
PriceFreeFree
Rating3.9 (45 ratings) — better—
Positive reviews49.1% of reviews—
Number of ratings45 — better—
Update frequencyEvery 15 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.4
Further details — not scored
Size33 MB84 MB
Age rating17+4+
DeveloperHayato ShimizuMueller Systems LLC

In-app purchases

2 purchases

HTML Viewer Pro

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

Sentryx™ AMR

No in-app purchases

Questions

Is HTML Viewer Pro free?
HTML Viewer Pro is free to download, with in-app purchases available.
Is Sentryx™ AMR free?
Sentryx™ AMR is free to download, with no in-app purchases.
Do HTML Viewer Pro or Sentryx™ AMR have ads?
HTML Viewer Pro shows ads; Sentryx™ AMR does not.
Which is updated more often, HTML Viewer Pro or Sentryx™ AMR?
HTML Viewer Pro ships an update every 15 months, and Sentryx™ AMR fortnightly. Most recently, HTML Viewer Pro was updated on October 10, 2026 and Sentryx™ AMR on October 4, 2026.

Other comparisons