# Measure Angles vs NDT X

The clearest difference is review sentiment: NDT X at 100% against Measure Angles's 47%. NDT X also leads on rating (5.0 vs 4.2) and in-app purchases (none vs 10). Measure Angles's advantage is ratings volume (2K vs 3). On price, update cadence and device support there is nothing between them.

Both are free to download. Measure Angles sells 10 in-app purchases, starting at $2.99 per 7 days. NDT X asks for nothing beyond the download.

NDT X holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Measure Angles has 2K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 47% of Measure Angles's written reviews are positive against 100% of NDT X's.

Measure Angles ships an update fortnightly, NDT X every 2 weeks. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Measure Angles | NDT X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (2K ratings)](https://appshunter.io/ios/app/measure-angles-bubble-level/id458980311/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ndt-x-ray-toolbox/id1291387260/reviews)** |
| Number of ratings | **2K** | 3 |
| Positive reviews | 47.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 83 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WHATSTICKER APPS SRL](https://appshunter.io/developer/1784779333) | [Visiconsult X-ray Systems & Solutions GmbH](https://appshunter.io/developer/1291387259) |

## What reviewers say

### Measure Angles

[App page](https://appshunter.io/ios/app/measure-angles-bubble-level/id458980311)

This app transforms your device into a versatile measuring tool. It offers precise angle readings with a digital protractor and bubble level, along with AR-powered distance and volume measurements. Ideal for professionals, DIY enthusiasts, and everyday tasks requiring accuracy.

**Highlights:** Digital protractor for angle measurement, Bubble level for surface flatness, AR-powered distance and volume estimation, Integrated ruler and tape measure, Compass and altimeter, Timer and audio meter

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Weekly Premium | $2.99 | per 7 days |
| Weekly premium | $4.99 | per 7 days |
| Weekly premium trial | $4.99 | per 7 days |
| Yearly premium trial | $29.99 | per year |
| Yearly premium | $29.99 | per year |
| Unlock all tools | $1.99 | one-time |
| No ads | $2.99 | one-time |
| Premium Discount | $2.99 | one-time |
| Premium Edition | $3.99 | one-time |

**What reviewers like**

- 🚀 Accurate
- 👍 Easy to use
- 👍 Versatile
- 👍 Useful tool
- 👍 Well-designed

**What reviewers complain about**

- 🐛 Connectivity issues
- 💰 Requires payment
- 🔍 Difficult to exit/close
- 📺 Intrusive ads
- 🔒 Tracking concerns

**Reported bugs**

- Angle appears reversed or flipped
- Angle locks too quickly
- App crashes on launch
- Measurements are inaccurate

**Requested features**

- Panoramic measurement tool
- Surround audio setup feature
- Ability to reset protractor to 0 degrees
- Black/white display for better readability
- Support for iPad split-screen


### NDT X

[App page](https://appshunter.io/ios/app/ndt-x-ray-toolbox/id1291387260)

This app provides essential tools for x-ray calculations, including geometric and CT calculations, image viewing, and quality control. It offers explanations for formulas and supports common detectors for easier use.

**Highlights:** TIFF and DICONDE image viewer, Geometric calculations, X-ray standards support, Image quality control, CT calculations, Formula explanations, Detector selection tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Measure Angles free?

Measure Angles is free to download, with in-app purchases available.

### Is NDT X free?

NDT X is free to download, with no in-app purchases.

### Which has better reviews, Measure Angles or NDT X?

NDT X is rated higher. Measure Angles averages 4.2 out of 5 from 2K ratings, while NDT X averages 5.0 from 3 ratings.

### Do Measure Angles or NDT X have ads?

Measure Angles shows ads; NDT X does not.

### Which is updated more often, Measure Angles or NDT X?

Measure Angles ships an update fortnightly, and NDT X every 2 weeks. Most recently, Measure Angles was updated on October 19, 2026 and NDT X on October 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.*