Comparison

Protractor Angle Measure App vs OpenHTML

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

Head to head
About

Protractor Angle Measure App

This tool allows for instant and accurate angle measurements using a digital protractor, camera overlay, and ruler. It supports 180° and 360° measurements, ideal for students, engineers, builders, and DIYers for various projects.

Highlights
  • Accurate digital protractor
  • 180° & 360° measurement
  • Camera overlay for real-time angles
  • Ruler mode for line measurement
  • Angle lock and precision control
  • Simple, distraction-free interface
Features
Read full description

Protractor: Angle Finder is a clean, simple, and accurate tool for measuring angles instantly. Designed for students, engineers, builders, DIY enthusiasts, and anyone who needs fast, reliable measurements. Use the digital protractor, camera overlay, and ruler to measure 180° or 360° angles with precision. Rotate, align, and zoom objects easily for math, carpentry, or design projects. Key Features Accurate digital protractor – measure angles with confidence 180° & 360° measurement – perfect for any project Camera protractor – overlay angles in real time Ruler mode – measure straight lines Angle lock & precision control – avoid mistakes Simple, clean interface – distraction-free design Perfect for school, DIY, construction, or design Whether measuring angles on paper, screens, or objects through your camera, this app makes every measurement fast, accurate, and easy. Who Needs This App? Students learning geometry Engineers and architects DIY enthusiasts and hobbyists Builders and carpenters Designers and illustrators Subscription Details Savory All Access Monthly: $7.99 Yearly: $34.99 Auto-renews unless canceled Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.e-droid.net/privacy.php?ida=3820332&idl=en Download Now Measure angles in seconds with Protractor: Angle Finder – precise, reliable, and simple for every project.

About

OpenHTML

View HTML, Markdown, ZIP web projects, and source files privately on your device. Inspect and export rendered pages offline, diagnose rendering issues, and view code files securely. Designed for developers, students, and anyone needing to inspect web content safely.

Highlights
  • View HTML, Markdown, and source files
  • Import ZIP archives and web projects
  • Offline rendering with network access blocked by default
  • Diagnose rendering and resource issues
  • Export pages to PDF or long images
  • Private by default, no accounts or analytics
Features
Read full description

OpenHTML is a private, on-device viewer for HTML, Markdown, ZIP web projects and source files on iPhone and iPad. Open files from Files, Mail, chat apps, AI tools or Safari. Preview pages offline, inspect what went wrong when a file does not render, and export finished pages when you need a clean copy. What you can do: - Open .html, .htm, .xhtml and Markdown files - Import ZIP archives and multi-file web projects - Render LaTeX math in Markdown offline, with no scripts - Preview local pages with network access off by default - Diagnose missing files, blocked resources and JavaScript issues - View JSON, XML and source files with a code-friendly reader - Export full pages to PDF or long images with OpenHTML Pro - Keep selected files in your OpenHTML folder in iCloud Drive and open them on your other devices with OpenHTML Pro Private by default: OpenHTML has no accounts, no analytics and no ads. Files are copied into the app's private storage and stay on your device unless you add them to your own OpenHTML folder in iCloud Drive. Remote resources stay blocked unless you choose to allow them for a trusted document. OpenHTML is designed for developers, students, researchers, writers and anyone who receives HTML reports, AI-generated pages, saved webpages or packaged web projects and wants to inspect them safely on iOS.

Screenshots

Protractor Angle Measure App4 screens
OpenHTML4 screens

Verdict

The call

The clearest difference is rating: OpenHTML at 5.0 against Protractor Angle Measure App's 2.3. OpenHTML also leads on ads (none vs shown) and update cadence (every 5 days vs every 4 months). Protractor Angle Measure App's advantage is iOS requirement (13.0 vs 18.0). On price, ratings volume, in-app purchases 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. Protractor Angle Measure App sells 3 in-app purchases, starting at $3.99 per month and OpenHTML sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

OpenHTML holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 20% of Protractor Angle Measure App's written reviews are positive against 33% of OpenHTML's.

UpkeepUpdate frequency

Protractor Angle Measure App ships an update every 4 months, OpenHTML every 5 days. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.

Scorecard5 real differences · 5 level
Protractor Angle Measure App versus OpenHTML: the parameters behind the verdict, then further details
ParameterProtractor Angle Measure AppOpenHTML
PriceFreeFree
Rating2.3 (4 ratings)5.0 (2 ratings) — better
Positive reviews20.0% of reviews33.3% of reviews — better
Number of ratings4 — better2
Update frequencyEvery 4 monthsEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size57 MB14 MB
Age rating4+4+
DeveloperEbenezer Oteng吉帅 仇

Customer experience

Protractor Angle Measure App

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews5 reviews
Positive20.0%
Neutral20.0%
Negative60.0%

OpenHTML

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

In-app purchases

3 purchases

Protractor Angle Measure App

Subscriptions2
  • Premium Monthly$3.991 Month
  • Premium Yearly$39.991 Year
One-time1
  • Lifetime access$9.99
1 purchases

OpenHTML

One-time1
  • OpenHTML Pro$0.99

Questions

Is Protractor Angle Measure App free?
Protractor Angle Measure App is free to download, with in-app purchases available.
Is OpenHTML free?
OpenHTML is free to download, with in-app purchases available.
Which has better reviews, Protractor Angle Measure App or OpenHTML?
OpenHTML is rated higher. Protractor Angle Measure App averages 2.3 out of 5 from 4 ratings, while OpenHTML averages 5.0 from 2 ratings.
Do Protractor Angle Measure App or OpenHTML have ads?
Protractor Angle Measure App shows ads; OpenHTML does not.
Which is updated more often, Protractor Angle Measure App or OpenHTML?
Protractor Angle Measure App ships an update every 4 months, and OpenHTML every 5 days. Most recently, Protractor Angle Measure App was updated on September 24, 2026 and OpenHTML on September 14, 2026.

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