Comparison

Measure Angles vs Corridor Safety

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

Head to head
About

Measure Angles

This app transforms your device into a versatile measuring tool. It offers precise angle readings with a digital protractor and bubble level, along with AR-powered distance and volume measurements. Ideal for professionals, DIY enthusiasts, and everyday tasks requiring accuracy.

Highlights
  • Digital protractor for angle measurement
  • Bubble level for surface flatness
  • AR-powered distance and volume estimation
  • Integrated ruler and tape measure
  • Compass and altimeter
  • Timer and audio meter
Features
Read full description

Measure Angles – Bubble Level turns your device into a powerful and versatile tool for precise angle measurement. It includes both a digital protractor and a bubble level, making it perfect for professionals, makers, and everyday users who need accurate angle readings for any task. Since 2016, Measure Angles - Bubble Level has been trusted by over 1.5 Milion users worldwide, this app combines advanced AR technology with a wide range of measurement tools to ensure accurate results in any situation — all with a simple tap on your screen. Key features: -2D Level Mode (Surface Level / Bubble Mode) – Measures the flatness or inclination of a surface, like a traditional spirit level. -Protractor Mode (Angle Finder / Protractor) – Measures angles between objects or surfaces accurately. -LED – Activates the device’s flashlight for visibility in dark environments. -Compass – Displays cardinal directions using the device’s built-in magnetic sensor. -Protractor – Another tool for measuring angles, useful for precise alignment tasks. -Ruler – Allows you to measure small distances directly on your device’s screen. -Camera Ruler – Uses the camera and AR to estimate real-world distances. -Timer – Multiple countdowns and stopwatch tool for timing tasks. -Altimeter – Displays your current altitude based on GPS or barometric pressure. -Audio Meter – Measures ambient noise levels in decibels using your microphone. Always 100% precise: Measure Angles - Bubble Level automatically adjusts to your device’s size and resolution for maximum accuracy. But that’s not just it! A Premium subscription to Measure Angles – Bubble Level will also grant you access to Tape Measure - Ruler - AR APP! Measure Angles - Bubble Level is your go-to tool for precise angle measurements, featuring an easy-to-use bubble level and digital protractor. Paired with Tape Measure – Ruler – AR App, which lets you accurately measure distances, heights, and 3D volumes like cubes and circles, this bundle gives you everything you need for full 360° measurement precision. Perfect for DIY, design, or professional use, this bundle will allow you to create and visualize with great precision the house and projects of your dreams! Privacy Policy: https://magic-cake-e95.notion.site/IOS-Measure-Angles-Bubble-Level-Privacy-Policy-23fcf6557a0880d9bb2fe9c37e0ae881 --- Terms & Conditions: https://magic-cake-e95.notion.site/IOS-Measure-Angles-Bubble-Level-Terms-Conditions-23fcf6557a0880179abdcee4e3dc715a If you have any questions or feedbacks, please contact us at ruler.measure.info@gmail.com Subscribe to access to premium app features; subscription details are the following: -Length: weekly or yearly -Free trial: only on selected subscriptions -Your payment will be charged to your iTunes Account as soon as you confirm your purchase -You can manage your subscriptions and turn off auto-renewal from your Account Settings after the purchase -Your subscription will renew automatically, unless you turn off auto-renew at least 24 hours before the end of the current period -The cost of renewal will be charged to your account in the 24 hours prior to the end of the current period -When canceling a subscription, your subscription will stay active until the end of the period. Auto-renewal will be disabled, but the current subscription will not be refunded -Any unused portion of a free trial period, if offered, will be forfeited when purchasing a subscription

About

Corridor Safety

This safety platform provides real-time alerts and personalized guidance during emergencies. It helps users understand unfolding situations, navigate to safe zones, and report incidents to security teams. The goal is to minimize danger and impact by enabling faster, informed decisions.

Highlights
  • Real-time emergency alerts
  • Personalized evacuation guidance
  • Location-based notifications
  • Incident reporting
  • Communication with security teams
Read full description

Introducing Corridor, a next-generation safety platform designed to help protect you and everyone around you when every second matters. Corridor keeps you informed throughout an emergency with real-time alerts and personalized guidance, helping you navigate safely to designated safe zones. Our Mission: Help you understand what’s happening, where the danger is, and how to respond safely when an emergency occurs. Our Solution: Corridor delivers real-time alerts, location-based notifications, and personalized evacuation guidance as situations evolve. Report incidents as they happen, share critical information with security teams, and communicate directly with officers on duty. Our Objective: Reduce exposure to danger and minimize the physical and psychological impact of emergencies by helping you make faster, safer, and more informed decisions.

Screenshots

Measure Angles4 screens
Corridor Safety3 screens

Verdict

The call

The clearest difference is rating: Corridor Safety at 5.0 against Measure Angles's 4.2. Corridor Safety also leads on in-app purchases (none vs 10) and ads (none vs shown). Measure Angles's advantage is ratings volume (2K vs 1) and iOS requirement (16.6 vs 18.0). On price, update cadence 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. Measure Angles sells 10 in-app purchases, starting at $2.99 per 7 days. Corridor Safety asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Corridor Safety holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Measure Angles has 2K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Measure Angles ships an update fortnightly, Corridor Safety weekly. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

Scorecard6 real differences · 4 level
Measure Angles versus Corridor Safety: the parameters behind the verdict, then further details
ParameterMeasure AnglesCorridor Safety
PriceFreeFree
Rating4.2 (2K ratings)5.0 (1 ratings) — better
Positive reviews47.0% of reviews—
Number of ratings2K — better1
Update frequencyFortnightlyWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.6 — better18.0
Further details — not scored
Size46 MB92 MB
Age rating4+4+
DeveloperWHATSTICKER APPS SRLAqsacom

Customer experience

Measure Angles

All ratings1,969 ratings
Positive79.2%
Neutral5.2%
Negative15.6%
Written reviews151 reviews
Positive47.0%
Neutral6.6%
Negative46.4%

Corridor Safety

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

Bugs and requests

Measure Angles

Reported bugs

4 issues
  • Angle appears reversed or flipped
  • Angle locks too quickly
  • App crashes on launch
  • Measurements are inaccurate

Requested features

6 requests
  • Panoramic measurement tool
  • Surround audio setup feature
  • Ability to reset protractor to 0 degrees
  • Black/white display for better readability
  • Support for iPad split-screen
Show 1 more
  • Instructions/tutorial for using the app

Corridor Safety

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Measure Angles

Subscriptions6
  • Weekly Premium7 Days trial$2.997 Days
  • Weekly Premium$2.997 Days
  • Weekly premium$4.997 Days
Show 3 more
  • Weekly premium trial7 Days trial$4.997 Days
  • Yearly premium trial7 Days trial$29.991 Year
  • Yearly premium$29.991 Year
One-time4
  • Unlock all tools$1.99
  • No ads$2.99
  • Premium Discount$2.99
Show 1 more
  • Premium Edition$3.99
None

Corridor Safety

No in-app purchases

Questions

Is Measure Angles free?
Measure Angles is free to download, with in-app purchases available.
Is Corridor Safety free?
Corridor Safety is free to download, with no in-app purchases.
Which has better reviews, Measure Angles or Corridor Safety?
Corridor Safety is rated higher. Measure Angles averages 4.2 out of 5 from 2K ratings, while Corridor Safety averages 5.0 from 1 ratings.
Do Measure Angles or Corridor Safety have ads?
Measure Angles shows ads; Corridor Safety does not.
Which is updated more often, Measure Angles or Corridor Safety?
Measure Angles ships an update fortnightly, and Corridor Safety weekly. Most recently, Measure Angles was updated on October 16, 2026 and Corridor Safety on October 13, 2026.

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