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Best Scaler 3 Apps

92+ iOS apps curated and reviewed

4.1 avg rating
17 free apps
Updated June 2026

Every iPhone needs a few good scaler 3 apps. We benchmark 92+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Scaler 3 Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Suggester 2 : Chords & ScalesSuggester 2 : Chords & ScalesFree4.6★ (360)NoYesAug 2026
2QuantiChordQuantiChord$12.994.0★ (11)NoNoMay 2026
3Harmonicc Chord Sequencer AUv3Harmonicc Chord Sequencer AUv3$5.994.7★ (6)NoNoJul 2026
4Ruler - Scale RulerRuler - Scale RulerFree3.7★ (3)YesYesMay 2026
5American ScaleAmerican ScaleFree was $0.993.7★ (6)NoNoMay 2026
6Scale Practice - RandomizerScale Practice - RandomizerFree4.6★ (12)NoNoMay 2026
7iExactWeighiExactWeighFree5.0★ (1)NoNoMay 2026
8Scale for Grams & Weights・KiloScale for Grams & Weights・KiloFree4.6★ (606)YesYesAug 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😊(360 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
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
5
American Scale
American Scale
American Scale
Weigh-in scale
Free
$0.99 | 100% OFF

This application connects to a compatible weigh-in scale to display weight readings remotely. It automatically detects nearby scales, allowing users to select and switch between them. The app supports both pounds and kilograms and includes a feature to zero the scale.

Remote weight readingAutomatic scale recognitionSwitch between multiple scales
📊 Productivity
(6)
free
6
Scale Practice - Randomizer
Scale Practice - Randomizer
Scale Practice - Randomizer
Scales and Arpeggios
Free

This music app generates random scales and arpeggios for practice. It offers a diverse selection of scales, including user-defined options, and provides resources like images and descriptions to aid learning. It's a tool to vary your practice routine.

Random scale generationUser-inputted scale selectionDiverse scale library
🎵 Music
(12)
free
7
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
8
Scale for Grams & Weights・Kilo
Scale for Grams & Weights・Kilo
Scale for Grams & Weights・Kilo
Digital Scale for Grams
Free

Transform your phone into a digital scale using AI. Simply take a photo of an object to instantly get its weight in various units. Ideal for precise measurements of small items, food portions, or packages without needing a physical scale.

Instant weight estimates from photosScale for grams precisionDigital scale accuracy with ML
🔧 Utilities
(606)
subscription
9
Scale For Grams -Digital Scale
Scale For Grams -Digital Scale
Scale For Grams -Digital Scale
Gram scale, scale for weighing
Free

Transform your phone into a digital scale for grams using AI vision. Snap a photo to get fast, practical weight estimates for everyday items when a physical scale isn't available. Ideal for quick checks and curiosity.

AI vision for weight estimationGram-level estimatesPocket gram scale functionality
🔧 Utilities
(4)
free with in-app purchases
10
DETECTO Product Guide
DETECTO Product Guide
DETECTO Product Guide
Scale pricing and product info
Free
🔧 Utilities
(0)
11
Scale For Grams - Weighing AI
Scale For Grams - Weighing AI
Scale For Grams - Weighing AI
Digital Scale To Weight Grams
Free

Transform your iPhone into a smart digital scale using AI. Simply photograph any object to get instant weight estimates in grams, kilograms, pounds, or ounces. It's a convenient tool for everyday items, recipes, or packages.

Instant weight estimation from photosSupport for multiple weight unitsSave and track weighing history
🔧 Utilities
(82)
free with in-app purchases
12
Cardinal Scale Price Book
Cardinal Scale Price Book
Cardinal Scale Price Book
Scale pricing and product info
Free
🔧 Utilities
(0)
13
ScaleHelper
ScaleHelper
ScaleHelper
The app the listens
$5.99

Improve your musical instrument playing with real-time feedback on your performance. Practice scales, arpeggios, and other exercises with scoring and audio playback. Prepare for exams with customizable challenges and support for multiple instruments and users.

Real-time performance scoringAudio playback of notes and performancePractice any scale or choose specific exercises
🎵 Music
(0)
paid
14
Weight Scale: Photo Grams AI
Weight Scale: Photo Grams AI
Weight Scale: Photo Grams AI
Camera Weighing: Gold & Food
Free

Estimate the weight and dimensions of objects using your phone's camera. This AI-powered tool provides instant gram and weight results, identifies plants, and translates text, acting as a versatile digital toolkit for everyday estimation needs.

Instant weight estimation via cameraMeasure object dimensionsCalorie estimation for food
🔧 Utilities
(57)
free with in-app purchases
15
ScaleSoft - Unattended
ScaleSoft - Unattended
ScaleSoft - Unattended
by B-TEK SCALES, LLC
Free
💼 Business
(0)
16
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
17
Scale for Grams & Weighing
Scale for Grams & Weighing
Scale for Grams & Weighing
Digital Scales for Food & More
Free

Transform your phone into a digital scale to instantly measure the weight of everyday objects by simply taking a picture. Track your measurements with a history view and enjoy a simple, intuitive weighing experience.

Instant weight measurement via photoAI-powered weight calculationMeasurement history tracking
🔧 Utilities
(736)
free with in-app purchases
18
everight
everight
everight
BlueTooth Kit for Crane Scales
Free

This advanced Bluetooth tool connects to electronic crane scales, allowing mobile operation and data storage. It offers a user-friendly interface for weighing tasks and can export data to CSV files for computer integration. Enjoy stable, fast data transfer with features like zero setting, peeling, and data querying.

Bluetooth connectivity for crane scalesMobile operation of weighing equipmentStore extensive weighing data
🔧 Utilities
(1)
free
19
Talking Scale
Talking Scale
Talking Scale
works with Siri Shortcuts
Free

Control your smart kitchen scale hands-free using voice commands and Siri Shortcuts. Adjust settings, zero the scale, and change units without touching the device. Ideal for busy cooks needing quick, precise measurements.

Hands-free scale operationSiri Shortcuts integrationVoice command control
📊 Productivity
(3)
free
20
Scale For Grams: Smart Scale
Scale For Grams: Smart Scale
Scale For Grams: Smart Scale
AI Weight & Measure Tool
Free
🔧 Utilities
(0)

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 360 App Store ratings, and it's free to download.
Yes — 17 of the top scaler 3 apps we rank are free to download, including Suggester 2 : Chords & Scales and Ruler - Scale Ruler.
Suggester 2 : Chords & Scales has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 92+ 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).