# Digital Angle Finder vs Protractor

The clearest difference is in-app purchases: Digital Angle Finder at none against Protractor's 3. Digital Angle Finder also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

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

Digital Angle Finder ships an update every 2 months, Protractor every 6 weeks. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Digital Angle Finder | Protractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (237 ratings)](https://appshunter.io/ios/app/digital-angle-finder-3d-meter/id1081939665/reviews)** | — |
| Number of ratings | **237** | — |
| Positive reviews | 55.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 80 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ALEXEY BRILEV](https://appshunter.io/developer/667579847) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Digital Angle Finder

[App page](https://appshunter.io/ios/app/digital-angle-finder-3d-meter/id1081939665)

Measure angles precisely using your device's sensors.  It functions as both a protractor and a 3D angle meter, allowing you to determine angles between surfaces or lines on a plane with high accuracy. Save your measurements by taking photos with the angle recorded.

**Highlights:** Precise angle measurement, 3D angle measurement, Protractor mode, Save measurements with photos, High accuracy (1-degree error)

**In-app purchases:** none

**What reviewers like**

- 👍 Amazing app, does what it claims
- 👍 No annoying ads or up-sells
- 👍 No tracking
- 👍 Very useful app, love it
- 👍 Easy to used

**What reviewers complain about**

- 🐛 Rien ne se passe
- 🐛 Nicht das was ich gesucht habe
- 🐛 Dauert lange bis Ergebnis angezeigt
- 🐛 Horrible app doesn’t work
- 🐛 Gives wrong measurements (172 degrees)

**Reported bugs**

- No measurements detected
- App doesn't work
- Incorrect measurements (e.g., 172 degrees, 2 and 178 degrees, 179 degrees)
- App doesn't work on vertical angles
- New update ruined the app, only works on still surfaces

**Requested features**

- Add a spirit level function
- Add a function to start and end measurement by pressing a button
- Ability to manually measure angle on a photo
- Display mode for surface vs. edge measurement
- Clarify zero point and measurement range for length measurement


### 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 |


## Frequently asked questions

### Is Digital Angle Finder free?

Digital Angle Finder is free to download, with no in-app purchases.

### Is Protractor free?

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

### Do Digital Angle Finder or Protractor have ads?

Neither Digital Angle Finder nor Protractor shows ads.

### Which is updated more often, Digital Angle Finder or Protractor?

Digital Angle Finder ships an update every 2 months, and Protractor every 6 weeks. Most recently, Digital Angle Finder was updated on October 21, 2026 and Protractor 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.*