# KDM Reader vs Angle Measure, Digital Ruler

The clearest difference is in-app purchases: KDM Reader at none against Angle Measure, Digital Ruler's 1. Angle Measure, Digital Ruler's advantage is update cadence (every 6 days vs every 3 weeks) and iOS requirement (14.0 vs 16.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Angle Measure, Digital Ruler sells 1 one-off in-app purchase. KDM Reader asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for KDM Reader against 5.0 for Angle Measure, Digital Ruler. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

KDM Reader ships an update every 3 weeks, Angle Measure, Digital Ruler every 6 days. The most recent releases landed on June 5, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | KDM Reader | Angle Measure, Digital Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/kdm-reader/id6476420239/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/angle-measure-digital-ruler/id6677031222/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 8 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Center Point Post](https://appshunter.io/developer/1726641663) | [Zain Saeed Mughal](https://appshunter.io/developer/1762408320) |

## What reviewers say

### KDM Reader

[App page](https://appshunter.io/ios/app/kdm-reader/id6476420239)

Easily verify KDM validity times, content version, and target DCP player. View information in your local timezone or UTC.

**Highlights:** Verify KDM validity times, Check content version, Identify target DCP player, View in local timezone, View in UTC

**In-app purchases:** none


### Angle Measure, Digital Ruler

[App page](https://appshunter.io/ios/app/angle-measure-digital-ruler/id6677031222)

Transform your device into a versatile measuring tool. Accurately find and measure angles, levels, and distances with a digital protractor, ruler, and bubble level. Features include a flashlight and camera integration for precise work in any condition.

**Highlights:** Digital protractor and angle finder, Bubble level and 360° clinometer, Measuring tape and ruler functionality, Flashlight and camera integration, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is KDM Reader free?

KDM Reader is free to download, with no in-app purchases.

### Is Angle Measure, Digital Ruler free?

Angle Measure, Digital Ruler is free to download, with in-app purchases available.

### Which has better reviews, KDM Reader or Angle Measure, Digital Ruler?

KDM Reader and Angle Measure, Digital Ruler are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do KDM Reader or Angle Measure, Digital Ruler have ads?

Neither KDM Reader nor Angle Measure, Digital Ruler shows ads.

### Which is updated more often, KDM Reader or Angle Measure, Digital Ruler?

KDM Reader ships an update every 3 weeks, and Angle Measure, Digital Ruler every 6 days. Most recently, KDM Reader was updated on June 5, 2026 and Angle Measure, Digital Ruler on September 22, 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.*