Comparison

Paratech Rescue Guardian vs Protractor Angle Measure Tool

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

Head to head
About

Paratech Rescue Guardian

Wirelessly connect to multiple monitoring devices to track load, incline, and vibration. Receive automatic emergency notifications for critical alarms.

Highlights
  • Wireless communication with up to 20 devices
  • Load, Incline, and Vibration monitoring
  • Modify and arm presets
  • Automatic emergency notifications
  • Alarm system
Features
Read full description

The Paratech Rescue Guardian mobile application is designed to wirelessly communicate with up to 20 Rescue Guardian devices. Modify and arm from a list of existing presets for Load, Incline and Vibration monitoring. Receive automatic emergency notifications for alarms.

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!

Screenshots

Paratech Rescue Guardian4 screens
Protractor Angle Measure Tool4 screens

Verdict

The call

The clearest difference is rating: Paratech Rescue Guardian at 5.0 against Protractor Angle Measure Tool's 4.4. Paratech Rescue Guardian also leads on in-app purchases (none vs 4). Protractor Angle Measure Tool's advantage is ratings volume (179 vs 1) and update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement 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. Paratech Rescue Guardian asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Paratech Rescue Guardian holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Protractor Angle Measure Tool has 179 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Paratech Rescue Guardian ships an update every 4 months, Protractor Angle Measure Tool monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
Paratech Rescue Guardian versus Protractor Angle Measure Tool: the parameters behind the verdict, then further details
ParameterParatech Rescue GuardianProtractor Angle Measure Tool
PriceFreeFree
Rating5.0 (1 ratings) — better4.4 (179 ratings)
Positive reviews—11.8% of reviews
Number of ratings1179 — better
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.1 — better16.0
Further details — not scored
Size105 MB77 MB
Age rating4+4+
DeveloperAgility Technologies Corp.Appcellent

Customer experience

Paratech Rescue Guardian

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Protractor Angle Measure Tool

All ratings179 ratings
Positive86.0%
Neutral3.9%
Negative10.1%
Written reviews17 reviews
Positive11.8%
Neutral0.0%
Negative88.2%

In-app purchases

None

Paratech Rescue Guardian

No 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

Questions

Is Paratech Rescue Guardian free?
Paratech Rescue Guardian is free to download, with no in-app purchases.
Is Protractor Angle Measure Tool free?
Protractor Angle Measure Tool is free to download, with in-app purchases available.
Which has better reviews, Paratech Rescue Guardian or Protractor Angle Measure Tool?
Paratech Rescue Guardian is rated higher. Paratech Rescue Guardian averages 5.0 out of 5 from 1 ratings, while Protractor Angle Measure Tool averages 4.4 from 179 ratings.
Do Paratech Rescue Guardian or Protractor Angle Measure Tool have ads?
Neither Paratech Rescue Guardian nor Protractor Angle Measure Tool shows ads.
Which is updated more often, Paratech Rescue Guardian or Protractor Angle Measure Tool?
Paratech Rescue Guardian ships an update every 4 months, and Protractor Angle Measure Tool monthly. Most recently, Paratech Rescue Guardian was updated on November 3, 2026 and Protractor Angle Measure Tool on November 4, 2026.

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