Best Mm Scale Apps

136+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated October 2026

Whether you're new to mm scale or looking for an upgrade, our curated collection of 136+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Mm Scale Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Scala Architectural ScaleScala Architectural ScaleFree4.6★ (24)NoYesOct 2026
2Photo Ruler: Measure & ScalePhoto Ruler: Measure & ScaleFree—NoYesOct 2026
3Tape Measure & Ruler АррTape Measure & Ruler АррFree4.2★ (4.5K)YesYesNov 2026
4Model Scale CalculatorModel Scale CalculatorFree5.0★ (1)NoNoOct 2026
5Scale For Grams & Weight ScaleScale For Grams & Weight ScaleFree2.3★ (6)NoYesOct 2026
6Phone Scale - Weight MeasurePhone Scale - Weight MeasureFree5.0★ (5)NoYesOct 2026
7Scale RatioScale RatioFree3.7★ (3)NoYesOct 2026
8inch mm converterinch mm converterFree4.6★ (175)YesNoOct 2026

Top Picks for Mm Scale

Scala Architectural Scale#1

Scala Architectural Scale by Noerah Alvi

To measure printed drawings
Editor's Choice
🔧 Utilities
4.6(24 ratings)
FreeIn-App Purchases
Scala Architectural Scale screenshot 1
Scala Architectural Scale screenshot 2
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Scala Architectural Scale screenshot 4
Scala Architectural Scale screenshot 5
Scala Architectural Scale screenshot 6

This app allows users to measure printed architectural and engineering drawings directly on their device. It supports both known and unknown scales, offering fixed and variable scale options for precise measurements. Users can also select secondary units for quick conversions.

Tape Measure & Ruler Арр#3

Tape Measure & Ruler Арр by Free Style Dev LCC

Multifunctional Ruler・Level
Worth Considering
🔧 Utilities
4.2😞(4.5K ratings)
FreeAdsIn-App Purchases
#76in Utilities
Tape Measure & Ruler Арр screenshot 1
Tape Measure & Ruler Арр screenshot 2
Tape Measure & Ruler Арр screenshot 3
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Tape Measure & Ruler Арр screenshot 5
Tape Measure & Ruler Арр screenshot 6

This app functions as a digital measuring tool, allowing you to measure objects and distances with accuracy. It also enables you to create sketches with text annotations and share your measurements and designs.

What We Love

  • 🚀 Accurate and reliable
  • 👍 Easy to use and intuitive
  • 📏 Convenient for home projects
  • 🔍 Useful tape measure feature

Room to Improve

  • 💰 Expensive subscription
  • 🔒 Misleading free trial
  • 🐛 Inaccurate measurements
  • 🤔 Confusing interface

More Mm Scale apps to explore

FAQ about Mm Scale

What are the best mm scale apps for iPhone?
Scala Architectural Scale tops our mm scale apps ranking as of October 2026, with a 4.6-star average from 24 App Store ratings, and it's free to download.
Yes — 20 of the top mm scale apps we rank are free to download, including Scala Architectural Scale and Photo Ruler: Measure & Scale.
Scala Architectural Scale has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 136+ mm scale apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.