# Protractor+ vs Digital Angle Finder

Protractor+ and Digital Angle Finder both sit at 4.1 stars, but that hides the real split: 54% of Digital Angle Finder's written reviews are positive against 15% of Protractor+'s. Digital Angle Finder also leads on in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.6). Protractor+'s advantage is ratings volume (10K vs 233). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.1 for Protractor+ against 4.1 for Digital Angle Finder. That said, the two scores are not equally well evidenced: Protractor+ has 10K ratings behind it against 233, so its average is the more settled of the two. Written reviews are what separate them: 15% of Protractor+'s written reviews are positive against 54% of Digital Angle Finder's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Protractor+ | Digital Angle Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (10K ratings)](https://appshunter.io/ios/app/protractor-plus/id631311541/reviews) | [4.1 (233 ratings)](https://appshunter.io/ios/app/digital-angle-finder-3d-meter/id1081939665/reviews) |
| Number of ratings | **10K** | 233 |
| Positive reviews | 14.9% of reviews | **54.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 80 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [ALEXEY BRILEV](https://appshunter.io/developer/667579847) |

## What reviewers say

### Protractor+

[App page](https://appshunter.io/ios/app/protractor-plus/id631311541)

Transform your device into a versatile angle measurement tool. Easily measure angles in both degrees and radians with an intuitive interface. Ideal for quick and precise angle readings.

**Highlights:** Angle measurement, Degrees and radians, Intuitive visual control, Elegant design, Pocket protractor functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $1.99 | one-time |

**What reviewers like**

- 🚀 Quick angle measurement
- 👍 Useful for physics labs
- 👍 Easy to use

**What reviewers complain about**

- 🔒 Degrees feature locked behind paywall
- 🐛 Unreliable camera feature
- 🔋 Frequent timeouts force upgrade
- 💰 Aggressive monetization tactics

**Reported bugs**

- Camera feature not working as expected
- Angle measurements not accurate
- Frequent app crashes

**Requested features**

- Ability to measure in degrees without upgrade
- Improved accuracy and responsiveness
- Removal of timeouts and paywalls


### 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


## Frequently asked questions

### Is Protractor+ free?

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

### Is Digital Angle Finder free?

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

### Which has better reviews, Protractor+ or Digital Angle Finder?

Protractor+ and Digital Angle Finder are both rated 4.1 out of 5 on the App Store, from 10K and 233 ratings respectively.

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

Neither Protractor+ nor Digital Angle Finder shows ads.

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

Protractor+ ships an update every 2 months, and Digital Angle Finder every 2 months. Most recently, Protractor+ was updated on October 15, 2026 and Digital Angle Finder 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.*