# Protractor Angle Measure App vs OpenHTML

The clearest difference is review sentiment: OpenHTML at 67% against Protractor Angle Measure App's 20%. OpenHTML also leads on rating (5.0 vs 2.3) and ads (none vs shown). 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.

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.

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 67% of OpenHTML's.

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.

## The numbers

| Metric | Protractor Angle Measure App | OpenHTML |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-app/id6755661639/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openhtml-html-pdf-and-markdown/id6776524508/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 20.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 57 MB | 14 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ebenezer Oteng](https://appshunter.io/developer/1840002550) | [吉帅 仇](https://appshunter.io/developer/1087837335) |

## What reviewers say

### Protractor Angle Measure App

[App page](https://appshunter.io/ios/app/protractor-angle-measure-app/id6755661639)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $39.99 | per year |
| Lifetime access | $9.99 | one-time |


### OpenHTML

[App page](https://appshunter.io/ios/app/openhtml-html-pdf-and-markdown/id6776524508)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenHTML Pro | $0.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*