Comparison

Protractor+ vs Digital Protractor & Level

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Protractor+

Transform your device into a versatile angle measurement tool. Easily measure angles in both degrees and radians with an intuitive interface. Ideal for quick and precise angle readings.

Highlights
  • Angle measurement
  • Degrees and radians
  • Intuitive visual control
  • Elegant design
  • Pocket protractor functionality
Features
Read full description

Protractor helps you to measure angles quickly and easily. This app turn your iPhone into a handy pocket protractor that can measure angles in both degrees and radians. Features: - Elegant design - Measure in degrees and radians - Intuitive visual control

About

Digital Protractor & Level

Read full description

A protractor, bubble level, tape measure, ruler and room-planning toolkit in your pocket. Digital Protractor & Level brings 15 tools together with large readings, familiar instruments and a quick tool selector. Choose any tool as your default at launch. Now in English, Spanish, French and German. ANGLES & LEVELS • Protractor: read angles with a realistic dial and clear numerical display. • Level: a traditional bubble vial with degrees, percent slope and rise per 12. • 4 Corners: a bullseye surface level for tabletops and other flat surfaces. • Photo Angle: choose a photo and drag the corner and endpoints to measure an angle. • Camera Level: use on-screen alignment guides over the live camera. • Compass & Tilt: check direction and inclination. MEASURE & PLAN • Tape Measure: place a start and end point in augmented reality, with a bold measurement line and visible point markers. Chain segments, capture dimensions and save measurements with Expanded Toolkit. • Ruler: a full-height, calibrated on-screen ruler in metric or imperial units, with a drag handle that stays clear of the controls. • Feet & Inches: calculate fractions, convert metric lengths, add or subtract dimensions, multiply, divide and find equal spacing. • Height: mark a base and top to estimate vertical height. • Area: outline a flat surface to estimate its area. • Floor Plan: enter wall lengths or mark floor corners, then save and share a plan. • Room Layout: scan a room with LiDAR on a supported iPhone. Export USDZ, OBJ, SVG and JSON files to a computer for compatible 3D, drawing and rendering software. Exports contain simplified geometry, not a photographic scan. • TV Sizer: preview a selected screen size on a wall. • Magnetic Field: view nearby magnetic field strength. PROJECTS & QUICK ACCESS Group saved measurements, notes and selected photos into projects and share PDF reports with Expanded Toolkit. Pin favorite tools for quick access. Level opens by default on a new installation; choose your own startup tool in Settings or Tools. Owners and subscribers open their entitled default ready to use. Portrait and landscape layouts keep controls within reach. The app follows your iPhone's language in English, Spanish, French and German, including readings, spoken angles and purchase details. FREE & PAID ACCESS Use the basic Protractor, Level, Ruler and single-line Tape Measure free. Opening a tool preview is free; paid tools and actions show the available purchase options when you use them. Expanded Toolkit unlocks all paid features. Choose $1.99 per month, $4.99 every three months, or a $14.99 one-time lifetime purchase in the U.S. Prices vary by country and are shown before purchase. Monthly and three-month subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Manage or cancel subscriptions in your App Store account settings. Lifetime does not renew. Restore Purchases is available in the app. Existing Original Tools buyers keep the tools and features included in their original purchase. Expanded Toolkit is an optional upgrade for the additional tools. DEVICE & MEASUREMENT NOTES AR measurements are estimates and depend on lighting, surfaces and tracking. Room scanning requires a LiDAR-equipped iPhone. Camera Level displays virtual guides; it does not project a laser. Magnetic Field is not a dependable wire or stud detector. Photo angles can be affected by perspective. Check critical measurements with appropriate physical tools. No account and no in-app ads. Photos, scans and saved measurements stay on your device unless you choose to share them. Camera access supports camera and AR tools; optional location access supports true north. Purchases and restores require internet access. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Protractor+2 screens
Digital Protractor & Level4 screens

Verdict

The call

The clearest difference is update cadence: Digital Protractor & Level at every 9 days against Protractor+'s every 2 months. On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Protractor+ sells 1 one-off in-app purchase and Digital Protractor & Level sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Protractor+ ships an update every 2 months, Digital Protractor & Level every 9 days. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
Protractor+ versus Digital Protractor & Level: the parameters behind the verdict, then further details
ParameterProtractor+Digital Protractor & Level
PriceFreeFree
Rating4.1 (10K ratings) — better—
Positive reviews14.9% of reviews—
Number of ratings10K — better—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size21 MB3 MB
Age rating4+4+
DeveloperTue Nguyen MinhRobert Carpenter

Bugs and requests

Protractor+

Reported bugs

3 issues
  • Camera feature not working as expected
  • Angle measurements not accurate
  • Frequent app crashes

Requested features

3 requests
  • Ability to measure in degrees without upgrade
  • Improved accuracy and responsiveness
  • Removal of timeouts and paywalls

Digital Protractor & Level

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Protractor+

One-time1
  • Pro Features$1.99
1 purchases

Digital Protractor & Level

One-time1
  • Full Version$1.99

Questions

Is Protractor+ free?
Protractor+ is free to download, with in-app purchases available.
Is Digital Protractor & Level free?
Digital Protractor & Level is free to download, with in-app purchases available.
Do Protractor+ or Digital Protractor & Level have ads?
Neither Protractor+ nor Digital Protractor & Level shows ads.
Which is updated more often, Protractor+ or Digital Protractor & Level?
Protractor+ ships an update every 2 months, and Digital Protractor & Level every 9 days. Most recently, Protractor+ was updated on October 24, 2026 and Digital Protractor & Level on October 24, 2026.

Other comparisons