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Best Scaler 3 Apps

170+ iOS apps curated and reviewed

4.1 avg rating
14 free apps
Updated June 2026

Out of 170+ Scaler 3 apps on iOS, 14 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Scaler 3 Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Suggester 2 : Chords & ScalesSuggester 2 : Chords & ScalesFree4.6★ (349)NoYesJul 2026
2QuantiChordQuantiChord$12.994.0★ (11)NoNoMay 2026
3Harmonicc Chord Sequencer AUv3Harmonicc Chord Sequencer AUv3$5.994.7★ (6)NoNoJul 2026
4Star Scales Pro For GuitarStar Scales Pro For Guitar$2.994.6★ (375)NoNoJul 2026
5Weigh My TruckWeigh My TruckFree3.0★ (157)NoNoJul 2026
6iScale: Kitchen ScaleiScale: Kitchen ScaleFree3.0★ (4.8K)YesNoJul 2026
7Recipe Scaler & Rule of ThreeRecipe Scaler & Rule of ThreeFree—YesNoMay 2026
8Ruler - Scale RulerRuler - Scale RulerFree3.7★ (3)YesYesMay 2026

Top Picks for Scaler 3

Suggester 2 : Chords & Scales#1

Suggester 2 : Chords & Scales by Mathieu Routhier

Brilliant chord progressions
Editor's Choice
🎵 Music
4.6😊(349 ratings)
FreeIn-App Purchases
Suggester 2 : Chords & Scales screenshot 1
Suggester 2 : Chords & Scales screenshot 2
Suggester 2 : Chords & Scales screenshot 3
Suggester 2 : Chords & Scales screenshot 4
Suggester 2 : Chords & Scales screenshot 5
Suggester 2 : Chords & Scales screenshot 6

Create powerful and emotive chord progressions for songwriting. Explore harmonic relationships, discover new musical ideas, and build songs from the ground up with intuitive tools and a library of classic progressions. Seamlessly integrate with other apps and MIDI devices.

What We Love

  • 🚀 Fantastic set of features for endless music exploration
  • 👍 Allows for easy chord progression creation and experimentation
  • 🎹 Supports MIDI integration and export to DAWs
  • 🎨 Versatile chord voicing and inversion options

Room to Improve

  • 🔒 Paywall locks many key features behind additional purchases
  • 🐛 App crashes and loses unsaved work
  • 💰 Expensive upgrade from previous version
QuantiChord#2

QuantiChord by Laurent Colson

MIDI Chord Quantizer
Strong Contender
🎵 Music
4.0(11 ratings)
$12.99
QuantiChord screenshot 1

This app generates chords from incoming notes and quantizes them to a selected scale. It functions as a standalone application or an AUv3 MIDI effect plugin, offering extensive MIDI connectivity and an internal sound bank.

Harmonicc Chord Sequencer AUv3#3

Harmonicc Chord Sequencer AUv3 by Cem Olcay

Chords with emojis!
Worth Considering
🎵 Music
4.7(6 ratings)
$5.99
Harmonicc Chord Sequencer AUv3 screenshot 1
Harmonicc Chord Sequencer AUv3 screenshot 2
Harmonicc Chord Sequencer AUv3 screenshot 3
Harmonicc Chord Sequencer AUv3 screenshot 4
Harmonicc Chord Sequencer AUv3 screenshot 5
Harmonicc Chord Sequencer AUv3 screenshot 6

Explore chord progressions with emoji representations, no music theory required. This app guides you to create inspiring musical sequences with diverse styles and advanced sequencing features. Seamlessly integrate with your favorite DAWs via AUv3 MIDI plugin support.

More Scaler 3 apps to explore

4
Star Scales Pro For Guitar
Star Scales Pro For Guitar
Star Scales Pro For Guitar
by The EyeLand s.r.o.
$2.99

Master guitar scales with this app designed for musicians. It simplifies learning scale patterns, improves speed and accuracy, and builds muscle memory. Explore various scales, keys, and tunings to enhance your guitar playing.

Master scale patternsImprove speed and accuracyBuild muscle memory
🎵 Music
(375)
free
5
Weigh My Truck
Weigh My Truck
Weigh My Truck
by CAT Scale Company
Free

Professional drivers can now weigh their trucks and pay for the service directly from their mobile device while on the scale. Store truck and trailer details, track weigh history, and receive PDF copies of weigh tickets. The app automatically locates the nearest scale and offers features for compliance and easy access to support.

Weigh truck and pay from phoneStore truck and trailer informationTrack weigh history
💼 Business
(157)
free
6
iScale: Kitchen Scale
iScale: Kitchen Scale
iScale: Kitchen Scale
Kitchen Scale
Free

This app transforms your device into a digital kitchen scale. Weigh ingredients and manage your cooking with precision. It's a handy tool for any culinary enthusiast.

Digital kitchen scale functionalityIngredient weighingCooking precision tool
🔍 Reference
(4.8K)
ad-supported
7
Recipe Scaler & Rule of Three
Recipe Scaler & Rule of Three
Recipe Scaler & Rule of Three
Direct proportion
Free

Instantly calculate proportions and simplify everyday math problems with this app. It features a recipe scaler to adjust ingredients and a rule of three calculator for quick, accurate solutions. An intuitive Q&A tool also helps solve homework-style questions.

Recipe scalingRule of three calculationQ&A problem solver
🔧 Utilities
(0)
ad-supported
8
Ruler - Scale Ruler
Ruler - Scale Ruler
Ruler - Scale Ruler
Various scales can be set!
Free

This app displays various measurement scales for length, including meters and inches. It allows users to set magnification ratios and reduced scales for different applications. Users can calibrate the ruler and adjust PPI settings for accurate measurements.

Display various measurement scalesSet magnification ratiosSet reduced scales
📊 Productivity
(3)
free with in-app purchases
9
Scale-Tec Scale
Scale-Tec Scale
Scale-Tec Scale
by Scale-Tec Ltd.
Free
💼 Business
(0)
10
Proportional Scale
Proportional Scale
Proportional Scale
Correctly Resize Dimensions
$1.99

Easily calculate new image dimensions while preserving aspect ratio to avoid distortion. This tool helps graphic designers, photographers, and professionals accurately resize images for various needs, including blueprinting and sign making.

Scale image dimensionsMaintain image proportionsFraction modes
🔧 Utilities
(13)
free
11
iExactWeigh
iExactWeigh
iExactWeigh
by Intercomp
Free

This app enables wireless communication with specific weighing scales, allowing users to view, save, print, and export weight records. It also supports manual data entry for standalone use. The application is designed to integrate with a range of weighing products.

Wireless scale communicationManual data entrySave, export, and print weight records
📊 Productivity
(1)
free
12
Scale For Grams: Digital
Scale For Grams: Digital
Scale For Grams: Digital
Weigh Anything with Camera
Free

Estimate the weight of various items using your phone's camera and advanced AI. This app simulates a digital scale, perfect for kitchen measurements, jewelry estimation, and quick portable weighing without any hardware.

AI Digital Scale estimationKitchen and cooking helperJewelry and gold estimator
📊 Productivity
(1)
free with in-app purchases
13
Cardinal Scale Price Book
Cardinal Scale Price Book
Cardinal Scale Price Book
Scale pricing and product info
Free
🔧 Utilities
(0)
14
Scale for food
Scale for food
Scale for food
Weigh the most common foods
Free

This utility app helps users determine the weight of common food items in grams based on the container used. It's designed to assist with precise recipe creation by providing accurate measurements for ingredients like milk, flour, and sugar.

Calculate food weight in gramsSupports common foods (milk, flour, sugar)Measures for various containers (spoon, cup, glass)
🔧 Utilities
(4)
ad-supported
15
Note to Be - MIDI Quantizer
Note to Be - MIDI Quantizer
Note to Be - MIDI Quantizer
AUv3 Quantization Tool
$4.99

This app offers advanced MIDI quantization for iOS musicians. It allows precise control over note selection, octave flexibility, and MIDI CC integration for crafting harmonious compositions and dynamic live performances. Supports microtonal scales and multi-synth setups.

Customizable note and octave selectionMIDI CC to note conversionMulti-synth channel assignment
🎵 Music
(7)
paid
16
CAT Scale Locator
CAT Scale Locator
CAT Scale Locator
Find The Nearest CAT Scales!
Free

Easily find the closest CAT Scale locations using your current GPS or by custom search. Save your favorite locations for quick access. This app helps truckers and drivers locate essential weighing stations on the go.

Locate nearest CAT ScalesGPS-based searchCustom location search
🗺️ Navigation
(7)
free
17
Air-Weigh
Air-Weigh
Air-Weigh
Onboard Weight Solutions
Free

This application allows users to set up, configure, and calibrate on-board scale systems for trucks and trailers. It displays individual suspension weights and automatically pairs compatible equipment for seamless operation.

Configure iWeigh® scale modulesCalibrate scalesDisplay suspension group weights
🔧 Utilities
(4)
free
18
Scale Factor
Scale Factor
Scale Factor
by Manfred Breede
$0.99
💼 Business
(0)
19
Phone Scale - Weight Measure
Phone Scale - Weight Measure
Phone Scale - Weight Measure
Estimate Grams And More
Free

This app uses your phone's camera and AI to estimate the weight of objects. Simply take a picture to get instant weight readings in various units, perfect for cooking or mailing. It features smart object recognition and saves your measurement history.

AI-powered weight estimationMulti-unit support (grams, pounds)Smart object recognition
🔧 Utilities
(1)
free with in-app purchases
20
Baking Scale
Baking Scale
Baking Scale
requires a smart food scale
Free

This app pairs with a smart food scale to help bakers achieve consistent results by accurately weighing ingredients. It offers features like weight history recording and customizable display options.

Weight history recordingScale capacity meterCustomizable display font
🍔 Food & Drink
(3)
free

FAQ about Scaler 3

What are the best Scaler 3 apps for iPhone?
Suggester 2 : Chords & Scales tops our Scaler 3 apps ranking as of June 2026, with a 4.6-star average from 349 App Store ratings, and it's free to download.
Yes — 14 of the top Scaler 3 apps we rank are free to download, including Suggester 2 : Chords & Scales and Weigh My Truck.
Suggester 2 : Chords & Scales has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 170+ Scaler 3 apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Suggester 2 is designed to help musicians and songwriters create powerful and emotive chord progressions. It allows users to explore harmonic relationships between chords, discover new musical ideas, and build songs from scratch. The app provides tools to guide users in creating dynamic and satisfying progressions.
Key features include the ability to create chord progressions based on harmonic function using roman numeral notation, a library of classic chord progressions for inspiration, and seamless integration with other apps and MIDI devices. It also supports exporting music as audio, MIDI, or text, and functions as an AudioUnit plugin (AUv3).