# Protractor vs EchtLevel

The clearest difference is update cadence: EchtLevel at every 2 weeks against Protractor's every 6 weeks. Protractor's advantage is iOS requirement (17.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Protractor sells 3 in-app purchases, starting at $4.99 per 7 days and EchtLevel sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Protractor ships an update every 6 weeks, EchtLevel every 2 weeks. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Protractor | EchtLevel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 5 MB | 8 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [Anas Hafidi](https://appshunter.io/developer/1843982734) |

## What reviewers say

### Protractor

[App page](https://appshunter.io/ios/app/protractor-angle-finder/id6772273661)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Incline Gauge Weekly | $4.99 | per 7 days |
| Roof Pitch Yearly | $24.99 | per year |
| Bevel & Degree, Pay Once | $49.99 | one-time |


### EchtLevel

[App page](https://appshunter.io/ios/app/echtlevel-spirit-level-tool/id6790809237)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EchtLevel Pro – Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Protractor free?

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

### Is EchtLevel free?

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

### Do Protractor or EchtLevel have ads?

Neither Protractor nor EchtLevel shows ads.

### Which is updated more often, Protractor or EchtLevel?

Protractor ships an update every 6 weeks, and EchtLevel every 2 weeks. Most recently, Protractor was updated on October 31, 2026 and EchtLevel on November 10, 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.*