# Rangen vs Sdu e

The clearest difference is in-app purchases: Sdu e at none against Rangen's 1. Sdu e also leads on iOS requirement (12.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Rangen sells 1 one-off in-app purchase. Sdu e asks for nothing beyond the download.

Rangen ships an update every 3 months, Sdu e every 2 months. The most recent releases landed on September 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Rangen | Sdu e |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 126 MB | 77 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jelle van Haaster](https://appshunter.io/developer/967400632) | [Lefebvre Sdu B.V.](https://appshunter.io/developer/388422300) |

## What reviewers say

### Rangen

[App page](https://appshunter.io/ios/app/rangen/id983027165)

Test your knowledge about military headwear, shoulder insignia, and chest decorations. Discover the meanings behind these symbols and expand your understanding of military attire. This educational app makes learning about uniforms engaging and informative.

**Highlights:** Learn about military headwear, Understand shoulder insignia, Discover chest decoration meanings, Test your knowledge, Engaging educational content

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Volledige versie | $0.99 | one-time |


### Sdu e

[App page](https://appshunter.io/ios/app/sdu-e-line/id1589039439)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rangen free?

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

### Is Sdu e free?

Sdu e is free to download, with no in-app purchases.

### Do Rangen or Sdu e have ads?

Neither Rangen nor Sdu e shows ads.

### Which is updated more often, Rangen or Sdu e?

Rangen ships an update every 3 months, and Sdu e every 2 months. Most recently, Rangen was updated on September 24, 2026 and Sdu e on October 11, 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.*