Best A440 Tuning Fork Apps

242+ iOS apps curated and reviewed

4.0 avg rating

19 free apps

Updated September 2026

The best a440 tuning fork apps on iPhone average 4.0★ across 242+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top A440 Tuning Fork Apps (September 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★ (184)	No	Yes	Sep 2026
3	Tuning Fork Pro 20 - 20000Hz	Free	3.0★ (2)	No	No	Sep 2026
4	The Tuning Fork lite	Free	—	Yes	No	Aug 2026
5	Tuning: Pro	Free	2.4★ (29)	No	No	May 2026
6	onsA440	Free	2.3★ (3)	No	No	May 2026
7	AppStash: Tuning Fork	Free	3.3★ (7)	No	Yes	May 2026
8	Tuning Fork for Watch	$0.99 was $1.99	—	No	No	Sep 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(184 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

Tuning Fork Pro 20 - 20000Hz by Krzysztof Gwiazda

No fuss tuning fork 20-20000Hz

Worth Considering

3.0(2 ratings)

Free

Tuning Fork Pro 20 - 20000Hz screenshot 1

Tuning Fork Pro 20 - 20000Hz screenshot 2

Tuning Fork Pro 20 - 20000Hz screenshot 3

Tuning Fork Pro 20 - 20000Hz screenshot 4

Tuning Fork Pro 20 - 20000Hz screenshot 5

Tuning Fork Pro 20 - 20000Hz screenshot 6

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.

More A440 Tuning Fork apps to explore

The Tuning Fork lite

The Tuning Fork lite

The Tuning Fork lite

...tune at any tone

This app simulates a classical tuning fork, allowing you to generate adjustable tones. It features realistic sound effects and can be activated by touch or device movement. Optimized for iPhone, iPod, and iPad.

Adjustable frequencyRealistic fade-in/outMotion-activated sound

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

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

Tuning Fork for Watch

Tuning Fork for Watch

Tuning Fork for Watch

Tone pitch & reference tuner

$1.99 | 50% OFF

Fork: Chromatic Tuner

Fork: Chromatic Tuner

Fork: Chromatic Tuner

Guitar & 432 Hz tuning

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

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

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

Engine Sounds: SuperRev

Engine Sounds: SuperRev

Engine Sounds: SuperRev

3D Tuning & Car Simulator

🎬 Entertainment

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

Chromtuner: Guitar Tuner

Chromtuner: Guitar Tuner

Chromtuner: Guitar Tuner

Precision tuning & Metronome

This app provides precise chromatic tuning for any instrument with a vintage-inspired interface. It offers advanced audio processing for accuracy and includes a metronome. A single purchase unlocks all features, including numerous alternate tunings and temperaments.

Precision chromatic tuningVintage LED displayInstant response pitch detection

Chromatic tuner - FlashTune

Chromatic tuner - FlashTune

Chromatic tuner - FlashTune

Perfect tuning with our tuners

Achieve perfect intonation with this highly accurate tuning application. It supports a wide range of instruments and offers customizable settings for musicians of all levels. Its intuitive interface makes tuning quick and easy.

High precision tuning (0.1 cent accuracy)Customizable tuning settingsIntuitive user interface

POWERlink Suite

POWERlink Suite

POWERlink Suite

by Integrated Engineering LLC

Wirelessly tune your vehicle's performance using your smartphone. This app connects to a specific OBDII dongle to adjust engine parameters, monitor real-time data, and run diagnostics without a laptop.

Wireless vehicle tuningBluetooth OBDII connectionLive gauge data monitoring

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

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

Suspend: AI MTB Tuning

Suspend: AI MTB Tuning

Suspend: AI MTB Tuning

by Tertiair LLC

This app uses AI to provide custom mountain bike suspension tuning based on your bike, weight, and riding style. It also helps you track maintenance, log services, and manage multiple bikes in a digital garage.

AI suspension tuningCustom setup for fork and shockMulti-bike garage

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 September 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 September 2026.

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

We track 242+ a440 tuning fork apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What is A440 Tuning Fork?

A440 Tuning Fork is a mobile application that imitates the function of a physical tuning fork. It plays the A440 musical note when the virtual fork is tapped.

What devices does A440 Tuning Fork support?

A440 Tuning Fork is available on Apple Watch, iPhone, and iPod. This allows for convenient use across various Apple devices.