Best A440 Tuning Fork Apps

244+ iOS apps curated and reviewed

4.0 avg rating

19 free apps

Updated October 2026

The best a440 tuning fork apps on iPhone average 4.0★ across 244+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top A440 Tuning Fork Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	A440 Tuning Fork	Free	5.0★ (2)	No	No	Sep 2026
2	A–440: Pro Tuner Tuning Fork	Free	4.4★ (185)	No	Yes	Oct 2026
3	Endless A-440	Free	4.5★ (2)	No	No	Oct 2026
4	Tuning Fork for Watch	$1.99	—	No	No	Oct 2026
5	Tuning Fork Pro 20 - 20000Hz	Free	3.0★ (2)	No	No	Sep 2026
6	TuningForkPlus	Free	5.0★ (1)	No	Yes	May 2026
7	onsA440	Free	2.3★ (3)	No	No	May 2026
8	AppStash: Tuning Fork	Free	3.3★ (7)	No	Yes	May 2026

Top Picks for A440 Tuning Fork

#1

A440 Tuning Fork by Matthew Arnold

Editor's Choice

5.0(2 ratings)

Free

This application simulates a physical tuning fork. Tapping the virtual fork plays the A440 musical note. It's a simple tool for musicians and audio enthusiasts.

#2

A–440: Pro Tuner Tuning Fork by Paul Richardson

for musicians with ears

Strong Contender

4.4(185 ratings)

FreeIn-App Purchases

A–440: Pro Tuner Tuning Fork screenshot 1

A–440: Pro Tuner Tuning Fork screenshot 2

A–440: Pro Tuner Tuning Fork screenshot 3

Easily generate a tuning tone with a single tap. Enhance convenience by setting up Siri Shortcuts for quick access, even adding them to your Home Screen or widgets. Adjust the frequency to your needs and enjoy a fuss-free tuning experience.

#3

Endless A-440 by Nathan Fennel

Concert pitch reference tones

Worth Considering

4.5(2 ratings)

Free

Endless A-440 screenshot 1

Easily generate a consistent A-440 pitch for tuning instruments. Select from various instrument sounds to play the reference tone endlessly until you tap to stop. Ideal for musicians needing a reliable tuning reference.

More A440 Tuning Fork apps to explore

Tuning Fork for Watch

Tuning Fork for Watch

Tuning Fork for Watch

A440 reference pitch & tones

Tuning Fork Pro 20 - 20000Hz

Tuning Fork Pro 20 - 20000Hz

Tuning Fork Pro 20 - 20000Hz

No fuss tuning fork 20-20000Hz

This utility app provides a simple and straightforward tuning fork. It allows users to generate any frequency between 20 Hz and 20,000 Hz, limited only by the device's speaker and human hearing.

Adjustable frequency range (20 Hz - 20,000 Hz)Simple and easy to use interfaceGenerates audio tones

Pitch Frequency

Generate fundamental audio waveforms like sine, square, triangle, and sawtooth with precise control over frequency, amplitude, phase, and harmonics. Export high-quality audio for music production, sound design, and acoustic testing.

Sine, square, triangle, sawtooth wave generationPrecise frequency control (A4 standard, custom Hz)Amplitude, phase, and multi-harmonic overlay

This simple tuning fork app generates a musical tone with a shake or tap. It stops the sound with another tap, making it a straightforward tool for musicians.

Shake gesture activationTap gesture activationSimple sound generation

AppStash: Tuning Fork

AppStash: Tuning Fork

AppStash: Tuning Fork

A simple intuitive tuning fork

This utility app provides a straightforward tuning fork experience. Easily adjust pitch and octaves with an intuitive interface. Designed to be simple and effective for musicians.

Adjustable pitchOctave controlIntuitive interface

free with in-app purchases

by Smart Vehicle Engineering GmbH

Enhance your car's performance with a tuning module. Adjust settings to match your vehicle and driving style, with modes like Eco, Sport, and Race. Receive instant updates for your car's configuration and the tuning chip's software.

Car tuning moduleCustomizable settingsEco, Sport, Race driving modes

Engine Sounds: SuperRev

Engine Sounds: SuperRev

Engine Sounds: SuperRev

3D Tuning & Car Simulator

Experience authentic automotive audio with this simulator. Customize engine sound, throttle, RPM, and gear shifting for a realistic driving experience. Features a premium audio library and diverse engine architectures.

Authentic automotive audio simulationReal-time audio synthesis3D tuning simulator

🎬 Entertainment

Guitar Tuner-Tuner,Tuning App

Guitar Tuner-Tuner,Tuning App

Guitar Tuner-Tuner,Tuning App

Yamaha Guitar,Chromatic Tuner

A straightforward tuning application designed for musicians of all levels. It offers both preset and chromatic tuning options with a clear, intuitive display for easy operation. Get ready to play with confidence with accurate, satisfying tuning.

Preset tuner with preset notesChromatic tuner for any tuningEasy-to-read color and shape display

by Weird Kid Software LLC

This app provides a reference Concert A (440Hz) pitch for musicians who tune by ear. It offers a choice between a real oboe recording or a synthesizer oboe sound.

Concert A (440Hz) reference pitchOboe sound options (real recording or synth)Ear training tool

ECU Flash: BMW, Mini & Supra

This platform enables users to unlock the full performance potential of their BMW, Mini, and Toyota Supra vehicles by flashing the factory ECU and TCU. It offers features like map switching, flex fuel tuning, and anti-lag, allowing for significant horsepower gains and custom performance adjustments.

ECU and TCU flashingMap switching via steering wheelFlex Fuel tuning

The App for your Transmission!

This app offers a complete tuning solution for ZF automatic and DCT transmissions. It allows users to customize their transmission's behavior, from smooth and comfortable to race-ready performance, directly from their Apple devices. Unlock the full potential of your vehicle's transmission.

ZF transmission tuningCustomizable shift behaviorOTS map selection

📊 Productivity

Precision Instrument Tuner

This app offers precise chromatic tuning for a wide range of instruments with a clear, visual interface. It features advanced algorithms for accurate detection of notes, including those with overtones and vibrato, making it suitable for both tuning and intonation practice.

Full-range chromatic tuningVisual feedback for fine and coarse tuningAdvanced digital algorithm for precision

AnyScale - Tunings & Scales

AnyScale - Tunings & Scales

AnyScale - Tunings & Scales

Guitar scales in any tuning

$3.99 | 100% OFF

Explore guitar scales and tunings with interactive charts and audio previews. Customize your experience with various display options and create your own scales and tunings for endless musical exploration.

Interactive scale and tuning chartsAudio previews of scales and tuningsVirtual fretboard display

GDriver: EV Controller Tuning

GDriver: EV Controller Tuning

GDriver: EV Controller Tuning

FarDriver Tuning & Rides

Monitor your electric vehicle's performance and journey statistics with real-time data and insightful analytics. Track speed, distance, duration, route, and energy consumption to optimize battery efficiency. Customize your dashboard and review historical data to improve your rides.

Real-time speed trackingTrip distance and duration loggingRoute mapping

Tuner Tool, Guitar Tuning Made Easy

Tuner Tool, Guitar Tuning Made Easy

Tuner Tool, Guitar Tuning Made Easy

Easily tune your guitar and other string instruments with this intuitive tool. Record and share your musical creations with a global community of musicians.

Guitar and string instrument tuningMultiple tuning methods supportedOn-screen tuning indicators

free with in-app purchases

Classical Guitar Tuner Basic

Classical Guitar Tuner Basic

Classical Guitar Tuner Basic

Fast & accurate tuning

This app provides fast and accurate tuning for classical guitars, ideal for musicians of all skill levels. It offers an LED indicator and automatically highlights tuned strings for easy visual feedback. Advanced settings and a tuning fork are available via in-app purchase.

Exceptional accuracyDisplays exact pitch frequencyA4 calibration

free with in-app purchases

Acoustic Guitar Tuner Basic

Acoustic Guitar Tuner Basic

Acoustic Guitar Tuner Basic

Fast & accurate tuning

This app provides fast and accurate tuning for acoustic guitars. It displays exact pitch frequencies, offers a visual LED indicator, and automatically highlights tuned strings. It includes standard and common alternate tunings, with advanced settings available via in-app purchase.

Displays exact pitch frequency (Hz)LED tuning indicatorTuned string lights up

free with in-app purchases

FAQ about A440 Tuning Fork

What are the best a440 tuning fork apps for iPhone?

A440 Tuning Fork tops our a440 tuning fork apps ranking as of October 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.

Are there free a440 tuning fork apps for iPhone?

Yes — 19 of the top a440 tuning fork apps we rank are free to download, including A440 Tuning Fork and A–440: Pro Tuner Tuning Fork.

Does A440 Tuning Fork have ads or in-app purchases?

A440 Tuning Fork has no ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many a440 tuning fork apps are on the App Store?

We track 244+ a440 tuning fork apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.