# Protractor vs Nap24h

The clearest difference is in-app purchases: Nap24h at none against Protractor's 3. Nap24h also leads on update cadence (every 9 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Protractor sells 3 in-app purchases, starting at $4.99 per 7 days. Nap24h asks for nothing beyond the download.

Protractor ships an update every 6 weeks, Nap24h every 9 days. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Protractor | Nap24h |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Size | 5 MB | 29 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [Vu Tran Huu](https://appshunter.io/developer/6778678808) |

## 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 |


### Nap24h

[App page](https://appshunter.io/ios/app/nap24h/id6779728121)

**In-app purchases:** none


## Frequently asked questions

### Is Protractor free?

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

### Is Nap24h free?

Nap24h is free to download, with no in-app purchases.

### Do Protractor or Nap24h have ads?

Neither Protractor nor Nap24h shows ads.

### Which is updated more often, Protractor or Nap24h?

Protractor ships an update every 6 weeks, and Nap24h every 9 days. Most recently, Protractor was updated on November 11, 2026 and Nap24h 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.*