197+ iOS apps curated and reviewed
The best a440 tuning fork apps on iPhone average 4.3★ across 197+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (184) | No | Yes | Jul 2026 |
| 2 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 3 |  | Free | 4.8★ (147K) | Yes | No | Jul 2026 |
| 4 |  | Free | — | No | No | Jul 2026 |
| 5 |  | Free | 4.5★ (2) | No | No | May 2026 |
| 6 |  | Free | 3.3★ (7) | No | Yes | May 2026 |
| 7 |  | $12.99 | 4.6★ (2.1K) | Yes | No | Jul 2026 |
| 8 |  | Free | 4.7★ (3.4K) | Yes | Yes | Jul 2026 |
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.
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.
This app offers precision tuning for guitar, bass, and ukulele with multiple modes and customizable options. It also provides a comprehensive suite of practice tools, including chord and scale libraries, and metronome functionality.
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.
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.
This advanced system helps drummers achieve perfect drum tuning with unparalleled accuracy. It educates users on drum acoustics and tuning techniques through an app and online tutorials, enabling them to create musical drum sounds.
This app provides precise tuning for a wide variety of stringed instruments, including guitars, ukuleles, basses, and violins. It offers automatic and chromatic tuning modes, a metronome, and a chord library to aid musicians of all skill levels.
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.
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.
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.
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.
Easily tune your guitar and other string instruments with this intuitive tool. Record and share your musical creations with a global community of musicians.
Easily tune a variety of musical instruments using your smartphone's microphone. Offers high precision with advanced audio recognition and multiple visual feedback modes. Supports manual tuning and calibration for custom needs.
This app helps musicians tune their instruments by ear using precise tone generation. It offers a wide range of notes and calibration options with various waveform selections. The app is designed for ease of use and compatibility with external audio devices.
This app provides real-time audio analysis for tuning a wide variety of stringed instruments. It offers a vast library of custom tunings and an intuitive interface with visual feedback to ensure accurate intonation. Users can also tune by ear using high-quality instrument samples.
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.
This app provides an accurate audio and visual guitar tuner with a simple interface. It helps you see pitch changes in real-time and shows how many cents a note is out of tune. Supports standard and alternate tunings.
This app transforms your device into a virtual tuning fork, allowing you to generate pre-selected tones. Adjust the frequency freely and experience realistic fade-in and fade-out effects. You can activate the tone with a simple tap or a slight movement of your device.
This app allows for complete DME remapping of BMW vehicles, offering maximum performance and safety. It provides full OBD flashing, pre-configured performance maps, and advanced engine monitoring capabilities. Users can also customize various flash options for a personalized driving experience.