Comparison

Ruler with Caliper, Protractor vs Architects Ruler

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

Head to head
About

Ruler with Caliper, Protractor

This app transforms your device into a precise digital measuring tool. It offers accurate measurements for various objects and distances using your camera, with multiple units and offline functionality.

Highlights
  • Accurate measurements via camera
  • Measure small objects to large distances
  • User-friendly interface
  • Multiple measurement units (inches, cm)
  • Virtual ruler on screen
  • Save and share measurements
  • Offline accessibility
Features
Read full description

# Ruler โ€“ Digital Ruler & Tape Measure Turn your smartphone into a precise measuring tool with **Ruler โ€“ Digital Ruler & Tape Measure**. Whether you're measuring small objects, checking angles, finding distances, or ensuring a perfectly level surface, this all-in-one toolkit provides everything you need in one easy-to-use app. Perfect for students, engineers, architects, designers, DIY enthusiasts, woodworkers, and everyday use. ## Features **Digital Ruler** Measure the length and width of objects directly on your phone screen with accurate calibration. **Tape Measure** Quickly measure objects using your device with an easy-to-read digital measuring interface. **Caliper** Measure thickness, internal diameter, external diameter, and depth with precision. Great for mechanical parts, jewellery, hardware, and engineering tasks. **Pinpoint Measurement** Measure the exact distance between two fingers on your screen for quick and convenient measurements. **Spirit Level** Check whether surfaces are perfectly horizontal or vertical using your phone's built-in sensors. Ideal for hanging pictures, installing shelves, and DIY projects. **Protractor** Measure and draw angles in degrees with an accurate digital protractor for school, construction, and design work. **Calibration Tool** Calibrate the ruler to your device for reliable and precise measurements across different screen sizes. ## Why Choose Ruler? * Fast and easy to use * Accurate digital measurements * Multiple measuring tools in one app * Clean and intuitive interface * Suitable for home, school, office, workshop, and construction * Works on most iOS devices Whether you're measuring furniture, checking angles, calculating dimensions, or levelling surfaces, **Ruler โ€“ Digital Ruler & Tape Measure** gives you the essential tools you need wherever you go. Download now and carry a complete measuring toolkit in your pocket. Privacy Policy : https://forms.gle/dnBUgnpqw4AREio97 Terms of Use : https://forms.gle/2uy2JqJa2JjkTZpo8

About

Architects Ruler

Features
Read full description

Architects Ruler is made by architects for architects. And designers. Simple and convenient, a quick tool to get grip on all dimensions on any scale.

Screenshots

Ruler with Caliper, Protractor4 screens
Architects Ruler3 screens

Verdict

The call

The clearest difference is ads: Architects Ruler at none against Ruler with Caliper, Protractor's shown. Architects Ruler also leads on update cadence (every 3 months vs every 28 months). Ruler with Caliper, Protractor's advantage is iOS requirement (16.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Ruler with Caliper, Protractor sells 3 in-app purchases, starting at $3.99 per 7 days and Architects Ruler sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Ruler with Caliper, Protractor ships an update every 28 months, Architects Ruler every 3 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard3 real differences ยท 5 level
Ruler with Caliper, Protractor versus Architects Ruler: the parameters behind the verdict, then further details
ParameterRuler with Caliper, ProtractorArchitects Ruler
PriceFreeFree
Positive reviews0.0% of reviewsโ€”
Update frequencyEvery 28 monthsEvery 3 months โ€” better
AdsYesNo โ€” better
In-app purchasesYesYes
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS16.0 โ€” better26.0
Further details โ€” not scored
Size6 MB4 MB
Age rating4+4+
DeveloperBhavinkumar SatashiyaGijs Raggers

In-app purchases

3 purchases

Ruler with Caliper, Protractor

Subscriptions2
  • Weekly$3.997 Days
  • Yearly$39.991 Year
One-time1
  • Lifetime$49.99
1 purchases

Architects Ruler

One-time1
  • Lifetime scales menu$0.99

Questions

Is Ruler with Caliper, Protractor free?
Ruler with Caliper, Protractor is free to download, with in-app purchases available.
Is Architects Ruler free?
Architects Ruler is free to download, with in-app purchases available.
Do Ruler with Caliper, Protractor or Architects Ruler have ads?
Ruler with Caliper, Protractor shows ads; Architects Ruler does not.
Which is updated more often, Ruler with Caliper, Protractor or Architects Ruler?
Ruler with Caliper, Protractor ships an update every 28 months, and Architects Ruler every 3 months. Most recently, Ruler with Caliper, Protractor was updated on October 22, 2026 and Architects Ruler on October 24, 2026.

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