Bubble Level Plus‪+‬ 4+

+ Angle Meter & Tilt Meter

Tue Nguyen Minh

Designed for iPad

    • 4.5 • 13.1K Ratings
    • Free
    • Offers In-App Purchases



Bubble Level (one of the 12 tools in iMetalBox) is now free! Take this chance to download!

======== User reviews ========

• "Works great and stylish!" - HellofromtheFeeworld746
• "Just what I need it for. Simple and easy." - LtHottRod
• "No drama, does what I need it to." - Leon8004
• "I have use on my (welder) and it worked great." - Spark in the dark


Full retina display support for both iPhone 4 and iPhone 5!

Also check out iMetalBox: 12 in 1, get 12 useful tools with the price of one!

You can use Level° for:
- Picture frame alignment
- Measure angles and slopes
- Home decoration
- And much more!

Calibrate instructions:
- To calibrate the levels, hold the phone against a reference surface and press the Calibrate button.
- Do this two times for vertical and horizontal orientations.

What’s New

Version 2.4.2

Minor bug fixes

Ratings and Reviews

4.5 out of 5
13.1K Ratings

13.1K Ratings

Nicknametaken921 ,

Not super easy to use but useful

It’s a very nice app for leveling with one glitch— it always moves from vertical to horizontal to even when you don’t want it to. Sometimes I’m trying to measure an angle where there’s not enough room to place the phone lengthwise, so I set to measure vertically but it quickly resets itself and takes away my measurement. Other than that the app is very nice.

measuring Joe ,

Should be called “annoying pop-up app”

I downloaded this app based on the number of reviews when compared to other similar apps. Does it measure an angle? Yes, but you get an annoying pop-up every few seconds telling you that your measure time has run out and you either need to wait 5 seconds to clear the pop-up, only for it to return a few seconds later, or upgrade and pay for a version without it. I suppose if you need a single measurement that can be done quickly before the pop-up occurs, then this app may work for you and be less annoying. But if you need to take precise measurements and multiple measurements, there are several other apps that can accomplish this and did not have the annoying pop-ups. Perhaps at some point, this app didn’t have the annoying pop-up. As it gained popularity, I imagine the developer probably added in hopes to earn extra money.

AnotherFriendlyReviewer ,

Free version is terrible.

Needed quick app to level, and this is definitely not the one to use. Free version basically gives you like 5 seconds of measuring and then STOPS MEASURING and gives you a MODAL pop up reminding you it’s free. If you need to measure for more than 5 seconds, you must free up a thumb or hand to remove the pop up and continue. This was extremely frustrating and basically prevented me from doing my project.

Skip this one, get the other bubble apps. At least they are functional.

App Privacy

The developer, Tue Nguyen Minh, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

More By This Developer

Stud Finder®
Pencil Sketch Photo Editor +
Photo & Video
Magnifying glass ++
Conversion Calculator +

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