Protractor is an end-to-end test framework for Angular and AngularJS applications.
Best Bubble Level Alternatives ranked by AI · updated Aug 2026
Bubble Level is a mobile spirit-level utility that uses a phone's accelerometer to check horizontal and vertical alignment. It is aimed at DIY, installation, woodworking, and household tasks where level matters more than angle drawing.
Top 6 Bubble Level alternatives
iLevel is a mobile measurement utility that combines a digital spirit level with a protractor. It is designed for quick angle and...
Pros
- Combines level and protractor tools in one app
- Useful for quick household, workshop, and DIY measurements
- More focused than general-purpose measurement apps
Cons
- Less capable than dedicated clinometer apps for advanced angle readings
- Accuracy depends on device sensors and calibration
- Ad-supported experience may be distracting
Free with ads
Clinometer + Bubble Level is a mobile inclinometer and spirit-level app for measuring slopes and checking horizontal or vertical alignment. It is...
Pros
- Better suited to slope and alignment checks than a basic angle app
- Includes both inclinometer and bubble-level modes
- Works well for practical construction and household tasks
Cons
- Focused on inclination rather than full protractor geometry
- Sensor readings still require calibration on some phones
- Interface is more utilitarian than polished design apps
Free with in-app purchases
70 Degree is a mobile angle-measuring utility that uses a phone's sensors to function as a smart protractor. It is intended for...
Pros
- More convenient than carrying a physical protractor
- Designed for quick angle checks using built-in phone sensors
- Useful for basic classroom, hobby, and DIY measurements
Cons
- Sensor accuracy depends on phone calibration and placement
- Less capable than surveying apps with camera overlays or field tools
- Small-screen interaction is less precise than a physical protractor for fine work
Free with in-app purchases
5
Measure
Apple
Measure is Apple's augmented-reality measuring app for compatible iPhone and iPad devices. It supports physical dimensions and level checks, making it useful...
Pros
- Free on supported Apple devices
- AR measurement is more versatile than a dedicated angle-only tool
- Integrated level feature helps with alignment tasks
Cons
- Limited to Apple devices with supported sensors
- AR results can vary with lighting and surface visibility
- Less specialized for standalone protractor workflows
6
Theodolite
Hunter Research & Technology
Theodolite is a professional field-data app combining a compass, GPS, inclinometer, and camera viewfinder. It targets hikers, surveyors, engineers, and other users...
Pros
- Far more capable for field work than a basic smart protractor
- Combines angle, heading, elevation, GPS, and photo annotations
- Useful for recording measurements with visual context
Cons
- More expensive than simple protractor apps
- Steeper learning curve than 70 Degree
- Available primarily for Apple platforms
One-time purchase
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