Comparison

Protractor Angle Measure Tool vs Roo Data Motorsport

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

Head to head
About

Protractor Angle Measure Tool

This tool transforms your device into a precise angle measurement instrument. It's ideal for DIY projects, construction, and renovations, offering real-time readings in various formats. Get professional-grade accuracy for all your angled surface needs.

Highlights
  • Precise angle measurement
  • Vertical and horizontal orientations
  • Multiple measurement units (degrees, radians, gradians)
  • Target angle alerts with audio/vibration
  • Real-time precision readings
  • Apple Watch support with haptic feedback
Features
Read full description

Precision Angle Measurement in Your Pocket: Protractor Measuring Angle Struggling with precise angle measurements for your DIY projects, construction work, or home renovations? Tired of carrying bulky tools when you need to measure angles on the go? Whether you're a carpenter, architect, engineer, or passionate DIY enthusiast, Protractor Measuring Angle transforms your iOS device into an accurate, versatile angle measurement tool that delivers professional-grade results. With cutting-edge sensor technology and an intuitive interface, our app provides instant, reliable angle measurements in multiple formats. Simply place your device against any surface, and watch as Protractor Measuring Angle delivers real-time readings with remarkable precision—making every project perfectly aligned and professionally executed. Key Features Versatile Measurement Capabilities Measure angles in both vertical and horizontal orientations with exceptional accuracy. Perfect for roof pitch calculations, furniture assembly, construction alignment, and countless other applications where precision matters. (Only basic radians measurement is available in free version. Premium subscription required for all features.) Multiple Measurement Units Switch seamlessly between degrees, radians, and gradians to suit your specific project requirements. Our conversion system ensures you always have the right measurement format at your fingertips. (Only radians available in free version. Premium subscription required for degrees and gradians.) Target Angle Alerts Set your desired angle and receive instant notifications when you reach it. Our customizable audio and vibration alerts allow you to focus on positioning rather than watching the screen. (Premium subscription required.) Real-Time Precision Readings Our dynamic display provides instant feedback as you adjust your device, ensuring you capture the exact angle you need with professional-grade accuracy. (Premium subscription required for advanced readings.) Apple Watch Support Measure angles from your wrist with haptic feedback—ideal for hands-free work. (Premium subscription required.) Why Choose Protractor Measuring Angle? Unmatched Accuracy Our advanced calibration system and sensitive accelerometer deliver measurements you can trust. Stop guessing and start working with confidence on any angled surface. Intuitive User Experience Designed for professionals and beginners alike, our clean interface and visual indicators make angle measurement straightforward and effortless. Clear, real-time feedback guides you through every measurement. Enhanced Project Efficiency Save time and avoid costly mistakes with instant, accurate angle readings. Whether you're installing crown molding, checking roof pitch, or aligning furniture, our app helps you get it right the first time. Premium Subscription Benefits To access the full power of Protractor Measuring Angle—including degree and gradian measurements, target angle alerts, and vertical/horizontal measurements—a premium subscription is required. Choose a subscription plan that fits your needs, whether you're an occasional user or a daily professional. Start Measuring with Precision Today! Don't let inaccurate angles compromise your projects. With Protractor Measuring Angle, you have the power to measure and align with confidence. Transform your iOS device into an essential measurement tool for perfectly executed projects and professional results. Download Protractor Measuring Angle now and experience the future of digital angle measurement—backed by premium features that elevate your work from amateur to expert. Privacy Policy: https://protractorapp.com/privacy/ Terms of Use: https://protractorapp.com/terms/ Contact Support: support@appcellent.co Take the guesswork out of angle measurement—get Protractor Measuring Angle today and achieve perfect alignment every time!

About

Roo Data Motorsport

Features
Read full description

Roo Data Motorsport connects directly to your motorsport data loggers and downloads your telemetry sessions straight to your phone — no laptop, no cables, no desktop software required at the track. HOW IT WORKS For AiM devices: connect your phone to your logger's WiFi network and Roo Data automatically finds the device, lists all your recorded sessions with full metadata, and downloads them in seconds. For RaceBox: pair via Bluetooth and download sessions directly to your phone. Switch back to regular WiFi or mobile data and your sessions upload automatically to your Roo Data account where you can see every lap. SUPPORTED DEVICES - AiM Solo 2 DL (WiFi) - AiM MXq (WiFi) - AiM MyChron 5, 5s & 6 (WiFi) - AiM MXK10 (WiFi) - RaceBox Mini S (Bluetooth) - RaceBox Micro (Bluetooth) AT THE TRACK The app discovers your device automatically. Browse every session — track name, date, lap count, and best lap time are all shown before you download. BACK IN THE PITS Switch to regular WiFi or mobile data and pending sessions upload to your Roo Data account automatically. Your raw data files are stored securely and your personal bests appear in the Sessions tab. YOUR DATA, SECURE All data is stored in your personal Roo Data account. Only you can see it, unless you choose to share a session with a coach — and you can stop sharing at any time. Data is encrypted in transit and at rest. REQUIREMENTS - A supported data logger (see list above) - A free Roo Data account (sign up in the app or at roostaberger.ai) - iOS 16.6 or later - Location permission required to read WiFi network name (AiM devices) - Bluetooth permission required for RaceBox connection - Account holders must be 18 or over. A parent may upload a junior racer's logger data to their own account. ABOUT ROO DATA MOTORSPORT Roo Data Motorsport is a motorsport data platform for club racers and track day riders and drivers. Upload your session data, see every lap and sector, track your personal bests, and share sessions with a coach you choose. Online at roostaberger.ai.

Screenshots

Protractor Angle Measure Tool4 screens
Roo Data Motorsport4 screens

Verdict

The call

The clearest difference is in-app purchases: Roo Data Motorsport at none against Protractor Angle Measure Tool's 4. On price, update cadence, ads 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 Angle Measure Tool sells 4 in-app purchases, starting at $4.99 per 7 days. Roo Data Motorsport asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 31, 2026.

Scorecard1 real difference · 9 level
Protractor Angle Measure Tool versus Roo Data Motorsport: the parameters behind the verdict, then further details
ParameterProtractor Angle Measure ToolRoo Data Motorsport
PriceFreeFree
Rating4.4 (179 ratings) — better—
Positive reviews11.8% of reviews—
Number of ratings179 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.0 — better16.6
Further details — not scored
Size77 MB20 MB
Age rating4+4+
DeveloperAppcellentRUSSELLA KERR

In-app purchases

4 purchases

Protractor Angle Measure Tool

Subscriptions4
  • Protractor Weekly$4.997 Days
  • Protractor Weekly with Trial3 Days trial$6.997 Days
  • Protractor Weekly with Trial3 Days trial$8.997 Days
Show 1 more
  • Protractor Annual$39.991 Year
None

Roo Data Motorsport

No in-app purchases

Questions

Is Protractor Angle Measure Tool free?
Protractor Angle Measure Tool is free to download, with in-app purchases available.
Is Roo Data Motorsport free?
Roo Data Motorsport is free to download, with no in-app purchases.
Do Protractor Angle Measure Tool or Roo Data Motorsport have ads?
Neither Protractor Angle Measure Tool nor Roo Data Motorsport shows ads.
Which is updated more often, Protractor Angle Measure Tool or Roo Data Motorsport?
Protractor Angle Measure Tool ships an update monthly, and Roo Data Motorsport monthly. Most recently, Protractor Angle Measure Tool was updated on October 31, 2026 and Roo Data Motorsport on October 31, 2026.

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