Available now on the App Store and Google Play

See the angle instantly.

Digital Protractor & Level puts familiar measuring tools and large readings in your pocket. The upcoming iPhone 2.0 toolkit adds camera measurements, room planning and LiDAR exports, with quick tool switching and your choice of a default tool.

Free exact protractor No time limit 2-day Android trial Optional in-app upgrades Works offline No ads Lifetime option
View on the App Store Get it on Google Play See the measuring tools

iPhone 2.0 is being prepared for Apple review and is not yet publicly available. Existing iPhone and Android releases remain available from their stores. Android keeps its two-day trial and $3.99 one-time unlock. Prices are US examples; local store prices may vary.

Digital Protractor and Level app icon with a black protractor and lime needle

Upcoming iPhone 2.0 update

One place for 14 measuring tools.

Protractor, Level, 4 Corners, Photo Angle, Tape Measure, Ruler, Height, Area, Floor Plan, Room Layout, TV Sizer, Camera Level, Compass & Tilt, and Magnetic Field.

Switch with the Tools button and set a default tool. Preview tools freely; paid actions show the purchase options when you use them. Expanded Toolkit costs $1.99 per month or $4.99 every three months, both auto-renewing, or $14.99 once for lifetime access. All three unlock the same features. Cancel subscriptions in your Apple account settings at least 24 hours before renewal. Restore Purchases is in the paywall and Settings.

Scan rooms on a LiDAR-equipped iPhone and export USDZ, simplified OBJ, SVG plans or JSON measurements for compatible computer software. Camera Level shows virtual alignment guides. AR dimensions are estimates; check critical measurements with physical tools. Magnetic Field is not a dependable wire or stud detector.

Already bought Original Tools? Your original features remain yours. The additional tools are an optional upgrade. The Android edition is unchanged.

01

Measure exact angles free

On iPhone, the realistic protractor and its exact angle reading stay free without a timer. Android begins with a user-started two-day full trial.

02

Read it from across the room

Huge numbers and large controls stay easy to see in bright rooms or dark spaces.

03

Turn the phone either way

Automatic portrait and landscape layouts follow the job. The protractor and traditional level can use the short or long edge. 4 Corners stays a laid-flat bullseye.

04

Choose access that fits

iPhone 2.0 offers Expanded Toolkit monthly, every three months, or lifetime. Original Tools buyers keep their original features. Android retains its separate one-time unlock.

Protractor

A realistic metal protractor with a lime needle.

Open the app and the exact-angle protractor is ready free. Huge numbers sit over a metal arc with clear markings. Original premium features include Zero, Hold, Target, voice and flashlight. Expanded Toolkit in iPhone 2.0 also includes these features.

  • Huge, high-contrast angle readings
  • Automatic portrait and landscape layouts
  • Realistic metal protractor and lime needle
  • Zero and calibrate against any reference surface
  • Hold or hear a measurement while you move
  • Set a target angle with haptic guidance
Digital Protractor app screen with a large angle reading and metal protractor graphic on black
Original iPhone design shown. Version 2.0 retains the instrument with a lighter background.

Traditional bubble level

A glass-vial bubble made for the jobsite.

The traditional level uses a realistic spirit-level vial, fluid, and moving bubble, with exact readings and the same Zero, Hold, voice, and flashlight controls.

  • Glass-vial bubble that moves with the surface
  • Signed angle and clear Level or Adjust status
  • Portrait and landscape layouts
  • Short-edge or long-edge measuring on this tool
  • Independent calibration for each measuring edge
  • Restore through the App Store or Google Play
Traditional glass-vial bubble level with a lime bubble on a dark display
Original level design shown. Basic Level is free in iPhone 2.0.

4 Corners

A laid-flat bullseye for tripods and surfaces.

4 Corners is a Pro bullseye level for laying the phone flat. The measuring edge changes automatically with phone orientation, so there is no manual lock control.

  • Laid-flat 4 Corners bullseye
  • Built for tripods, tables, and surfaces
  • Included with Original Tools and Expanded Toolkit
  • No manual measuring-edge lock
  • Works offline with no account
Digital Protractor and Level landscape layout with huge readable numbers
Automatic landscape layout keeps the numbers huge.

Questions

Simple app. Simple answers.

What is free?

The basic protractor is free without a time limit. iPhone 2.0 also includes basic Level, Ruler and single-line Tape Measure free.

Is there a free trial?

On iPhone, the basic protractor remains free with no trial. On Android, you can start a two-day full-feature trial when you are ready. The trial does not automatically charge.

What does Pro unlock?

iPhone 2.0 Expanded Toolkit unlocks all paid tools and actions. Choose $1.99/month, $4.99 every three months (both auto-renew), or $14.99 lifetime (one time). Existing Original Tools buyers retain their original features. Android keeps its $3.99 one-time Pro purchase.

Does it work without internet?

Yes. Measuring works offline. Internet access is only used to load purchase information or restore Pro Features.

Does the flashlight take pictures?

The flashlight itself does not take pictures. In iPhone 2.0, the camera also supports AR measurement, Camera Level and LiDAR scans, and you may capture measurement images. Photo Angle uses only the photo you select. Processing stays on your device.

Digital Protractor & Level

Measure free. Choose your toolkit.

Free basic tools on iPhone, with Expanded Toolkit choices in the upcoming 2.0 update. Android keeps its separate two-day trial and $3.99 one-time unlock. No ads or app account. Purchases are handled by the platform store.

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