# Bubble Level XL vs Protractor (Angle measurement)

The clearest difference is rating: Protractor (Angle measurement) at 3.6 against Bubble Level XL's 1.0. Protractor (Angle measurement) also leads on update cadence (every 5 weeks vs every 9 months) and ratings volume (10 vs 1). Bubble Level XL's advantage is review sentiment (100% vs 68%) and iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Protractor (Angle measurement) holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: Protractor (Angle measurement) has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 100% of Bubble Level XL's written reviews are positive against 68% of Protractor (Angle measurement)'s, so the app with the better star average is not the one people write more warmly about.

Bubble Level XL ships an update every 9 months, Protractor (Angle measurement) every 5 weeks. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Bubble Level XL | Protractor (Angle measurement) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/bubble-level-xl/id912157292/reviews) | **[3.6 (10 ratings)](https://appshunter.io/ios/app/protractor-angle-measurement/id926663865/reviews)** |
| Number of ratings | 1 | **10** |
| Positive reviews | **100.0% of reviews** | 68.1% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 27 MB | 7 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raffaele Amuso](https://appshunter.io/developer/912157295) | [EONSOFT](https://appshunter.io/developer/899851112) |

## What reviewers say

### Bubble Level XL

[App page](https://appshunter.io/ios/app/bubble-level-xl/id912157292)

Measure the tilt of any surface with your phone or tablet. This tool helps you align objects perfectly, ensuring no more crooked frames or uneven tables. It provides accurate readings in degrees for precise adjustments.

**Highlights:** Measures tilt in degrees, Easy to use interface, Accurate readings, Aligns objects precisely, Works on phones and tablets

**Features:** macOS Compatibility

**In-app purchases:** none


### Protractor (Angle measurement)

[App page](https://appshunter.io/ios/app/protractor-angle-measurement/id926663865)

Measure angles of objects using your device's camera. This utility app acts as a digital protractor, allowing you to accurately determine angles in real-world scenarios. Perfect for when a physical protractor is unavailable.

**Highlights:** Camera-based angle measurement, Digital protractor functionality, Measure angles of objects, Real-world angle determination

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Free and functional
- 👍 Accurate measurements
- 👍 Useful for homework
- 👍 Handy when needed
- 👍 Better than others

**What reviewers complain about**

- 👎 Hard to hold steady
- 👎 Camera is blurry
- 👎 Ads can be intrusive
- 👎 Difficult to use on paper
- 👎 Time limit on free version

**Reported bugs**

- Camera is always blurry
- Ads cover buttons
- App is a ghost app, cannot open
- Time limit makes it unusable
- Measures only in radians (free)

**Requested features**

- Ability to freeze image
- Ability to use photos for measurement
- Upload a still image and overlay protractor
- Improve accuracy with shaky hands
- Add option to take a picture and measure


## Frequently asked questions

### Is Bubble Level XL free?

Bubble Level XL is free to download, with no in-app purchases.

### Is Protractor (Angle measurement) free?

Protractor (Angle measurement) is free to download, with no in-app purchases.

### Which has better reviews, Bubble Level XL or Protractor (Angle measurement)?

Protractor (Angle measurement) is rated higher. Bubble Level XL averages 1.0 out of 5 from 1 ratings, while Protractor (Angle measurement) averages 3.6 from 10 ratings.

### Do Bubble Level XL or Protractor (Angle measurement) have ads?

Both Bubble Level XL and Protractor (Angle measurement) show ads.

### Which is updated more often, Bubble Level XL or Protractor (Angle measurement)?

Bubble Level XL ships an update every 9 months, and Protractor (Angle measurement) every 5 weeks. Most recently, Bubble Level XL was updated on October 11, 2026 and Protractor (Angle measurement) on October 18, 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.*