# Protractor vs Digital Protractor & Level

The clearest difference is in-app purchases: Protractor at none against Digital Protractor & Level's 1. Digital Protractor & Level's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Digital Protractor & Level sells 1 one-off in-app purchase. Protractor asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Protractor | Digital Protractor & Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (14 ratings)](https://appshunter.io/ios/app/protractor-angle-measure/id6630392312/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | Every 9 days |
| Monetization | Ad-supported | — |
| Size | 33 MB | 3 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jens Rieckhof](https://appshunter.io/developer/354266124) | [Robert Carpenter](https://appshunter.io/developer/6792301217) |

## What reviewers say

### Protractor

[App page](https://appshunter.io/ios/app/protractor-angle-measure/id6630392312)

Measure angles precisely using your phone's screen or camera. This intuitive tool allows you to adjust measurement lines and instantly see the angular difference. Ideal for professionals and hobbyists needing quick, accurate angle calculations.

**Highlights:** Angle measurement with adjustable lines, Camera integration for real-world measurements, Freeze function for static measurements, Clean and modern user interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Digital Protractor & Level

[App page](https://appshunter.io/ios/app/digital-protractor-and-level/id6795648874)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Protractor free?

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

### Is Digital Protractor & Level free?

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

### Do Protractor or Digital Protractor & Level have ads?

Protractor shows ads; Digital Protractor & Level does not.

### Which is updated more often, Protractor or Digital Protractor & Level?

Protractor ships an update every 9 days, and Digital Protractor & Level every 9 days. Most recently, Protractor was updated on October 8, 2026 and Digital Protractor & Level on October 3, 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.*