Comparison

AR Ruler vs Safe

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

Head to head
About

AR Ruler

This app uses your phone's camera and AR technology to measure distances, lengths, angles, areas, and volumes of real-world objects. It offers a variety of tools for quick and precise measurements, suitable for both home and professional use.

Highlights
  • AR technology for precise measurements
  • Measure length, height, distance, and angles
  • Calculate area, volume, and perimeters
  • Tools for various shapes (rectangles, circles, cubes)
  • Room measurement and wall adjustments
  • Home screen widgets for faster access
Features
Read full description

AR Ruler: Measuring tape with AR Technology The AR Ruler measurement app with measurement calculator uses advanced AR technology and your phone’s camera measuring tape system to deliver precise measurements of real-world objects. With this digital ruler, you can quickly perform a room measure, check height measure of walls, calculate length measure, and estimate distance, angles, area, volume, and more. Simply point your digital tape measure at any object using your smartphone and begin measuring instantly. The built-in 3D scanner detects surfaces and allows you to activate the AR tape measure tool with ease — making it a complete measurement calculator for both home and professional use. Key Tools Available in the AR Ruler App: Line & Height – Measure the length and height of objects quickly. Distance Meter – Measure distance from the device camera to a point on a 3D surface. Angle Tool – Measure angles directly on real surfaces. Polyline & Polyline Smooth – Calculate the total length of a drawn path. Rectangle Tool – Get length, perimeter, and area of rectangles. Circle Tool – Measure the radius, perimeter, and area of circular objects. Poly & Poly Smooth – Useful for measuring irregular shapes’ area and volume. Volume & Volume Smooth – Determine the volume of 3D structures or piles. Cube & Cylinder Tools – Fast measurement of these shapes’ dimensions. Walls & Curved Wall – Ideal for quick room measure and wall adjustments. Heap & Pit – Tools to measure the volume of material stacks or excavations. Access tools even faster via home screen widgets. Whether you're a DIY user, contractor, or interior designer, the AR Ruler app transforms your smartphone into a powerful camera measuring tape and measurement calculator. Try AR Ruler app now – we’d love to hear your feedback! Customer Support: Should you have any questions about AR Ruler app or need help, please do not hesitate to contact us via developer email: support@grymalaltd.com. Follow us: Twitter: https://twitter.com/grymalaofficial Instagram: https://www.instagram.com/grymala_official/ Pinterest: https://www.pinterest.com/grymalaapps/ LinkedIn: https://www.linkedin.com/company/grymala/ Subscription: --------------- Premium - 3 days free trial • No ads; • Unlimited number of projects; • Unlimited Access to Premium Tools. Price may vary by country. You won’t be charged if you cancel at least 24 hours before the end of trial period. Active subscription will automatically renew unless canceled at least 24 hours before the end of the current active period (year). You can manage subscriptions in your iTunes Account Settings. Subscription is charged to your credit card through your iTunes account. --- Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy:https://www.grymalaltd.com/policy-new.html

About

Safe

Features
Read full description

Safe is a secure document vault that keeps life’s paperwork hassle-free. IDs, passports, certificates, and other important documents are easy to store, quick to search, and ready when you need them. Smart features help highlight key details like dates and names, while strong encryption ensures your information stays private. Why choose Safe? - Effortless Convenience – All your paperwork and documents in one organized vault. - Smart Tools – Key data, like passport numbers, are extracted for quick reuse. - Always Accessible – Find what you need instantly, anytime. - Secure Storage – Files are encrypted when stored and transferred. - Privacy First – Your data is private to you. It’s never sold, shared, or used to train AI. Perfect for: - Self Organizer – Stay on top of your own documents like passports, IDs, medical forms, and certificates without relying on messy email inboxes or desk drawers. - Household Admins – Manage your family’s paperwork in one place, like kids’ medical records, partner’s IDs, insurance forms, and more, all safely organized. - Travelers & Students – Keep passports, visas, and academic records handy wherever you go. - Veterans & Professionals – Store credentials, service records, and licenses with privacy and confidence. Safe gives you confidence that your most important paperwork is secure, organized, and always within reach. Download Safe today — your digital vault for life’s essential documents.

Screenshots

AR Ruler4 screens
Safe1 screens

Verdict

The call

The clearest difference is in-app purchases: Safe at none against AR Ruler's 10. Safe also leads on ads (none vs shown). On price, update cadence, 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. AR Ruler sells 9 in-app purchases, starting at $4.99 per 7 days. Safe asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on November 8, 2026.

Scorecard2 real differences · 8 level
AR Ruler versus Safe: the parameters behind the verdict, then further details
ParameterAR RulerSafe
PriceFreeFree
Rating4.6 (977 ratings) — better—
Positive reviews35.7% of reviews—
Number of ratings977 — better—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.6
Further details — not scored
Size397 MB81 MB
Age rating4+4+
DeveloperGrymala sp. z o.o.Spruce Systems, Inc.

Bugs and requests

AR Ruler

Reported bugs

3 issues
  • Freezes on launch
  • Measurement errors
  • Incompatibility with newer devices

Requested features

3 requests
  • Free trial version
  • One-time purchase option
  • Improved accuracy for larger areas

Safe

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

AR Ruler

Subscriptions9
  • AR Ruler Weekly$4.997 Days
  • AR Ruler Weekly3 Days trial$12.997 Days
  • Premium3 Days trial$19.997 Days
Show 6 more
  • AR Ruler Monthly3 Days trial$19.991 Month
  • AR Ruler Monthly$19.991 Month
  • Special Annual Subscription3 Days trial$44.991 Year
  • Annual AR Ruler3 Days trial$69.991 Year
  • Premium3 Days trial$89.991 Year
  • Annual AR Ruler3 Days trial2 variants$89.991 Year
None

Safe

No in-app purchases

Questions

Is AR Ruler free?
AR Ruler is free to download, with in-app purchases available.
Is Safe free?
Safe is free to download, with no in-app purchases.
Do AR Ruler or Safe have ads?
AR Ruler shows ads; Safe does not.
Which is updated more often, AR Ruler or Safe?
AR Ruler ships an update every 3 weeks, and Safe every 3 weeks. Most recently, AR Ruler was updated on November 8, 2026 and Safe on November 8, 2026.

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