Bubble Level XL vs Protractor (Angle measurement)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bubble Level XL
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.
- Measures tilt in degrees
- Easy to use interface
- Accurate readings
- Aligns objects precisely
- Works on phones and tablets
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A simple, easy to use and accurate bubble level (or spirit level). Whith this app you can measure the tilt of an edge (in degrees) with your mobile phone or tablet. No more sloping tables nor wrong frames, you can line up everything!
Protractor (Angle measurement)
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.
- Camera-based angle measurement
- Digital protractor functionality
- Measure angles of objects
- Real-world angle determination
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You are there when you need a protractor? Here is the absence of a protractor, try using a protractor app. You can measure the angle of the object is reflected in the camera protractor. Try using a protractor protractor various apps, app.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 13, 2026 respectively.
| Parameter | Bubble Level XL | Protractor (Angle measurement) |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 3.6 (10 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 68.1% of reviews |
| Number of ratings | 1 | 10 — better |
| Update frequency | Every 9 months | Every 5 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 27 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Raffaele Amuso | EONSOFT |
Customer experience
Bubble Level XL
Protractor (Angle measurement)
Bugs and requests
Bubble Level XL
Not enough reviews yet to summarise bugs or requests.
Protractor (Angle measurement)
Reported bugs
8 issues- Camera is always blurry
- Ads cover buttons
- App is a ghost app, cannot open
- Time limit makes it unusable
- Measures only in radians (free)
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- Protractor over camera view, no needle/indication
- App is difficult to use
- Hard to hold still without tripod
Requested features
10 requests- 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
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- Stabilize the camera
- Make numbers easier to read
- Remove time limit on free version
- Allow measurement in degrees for free
- Delete purchase history
In-app purchases
Bubble Level XL
No in-app purchases
Protractor (Angle measurement)
No in-app purchases
Questions
Is Bubble Level XL free?
Is Protractor (Angle measurement) free?
Which has better reviews, Bubble Level XL or Protractor (Angle measurement)?
Do Bubble Level XL or Protractor (Angle measurement) have ads?
Which is updated more often, Bubble Level XL or Protractor (Angle measurement)?
Other comparisons
