The best instrument tuners for iPhone

The Chromatic Fine Tuner app, the instrument tuner for iPhone is a light, minimalistic tuner with a user interface optimized for guitar, bass, violin, ukulele, banjo and other string instruments. It utilizes your device's built-in microphone. The app includes dozens of guitar tunings as well as several tunings for a variety of other instruments. Fine Tuner also has the ability to tune to a custom note and can be used to tune almost any instrument.

• Built in tunings for guitar, bass, 4-string / 5-string banjo, ukulele, violin, viola, cello, mandolin, cuarto, charango.
• Support for changing the standard A tuning (e.g. 432 Hz).
• Auto mode for minimal app interaction while tuning.
• Dark mode.

CoachTuner, the best tuner app is a FREE chromatic instrument tuner that allows you to quickly tune your guitar, bass and ukulele using the built-in mic of your iPhone/iPad/iPod. CoachTuner can tune acoustic or electric guitar, bass, ukulele. This instrument tuner app is easy to use for beginners and it's free. 

• The easiest and most accurate
• Multiple instruments and tuning
• Express your creativity with the Jam
• Instrumental Jam Tracks to play along, Blues, Rock, Reggae, Jazz, Hard Rock, ....
• You can unlock tunings (Open, Drop, Modal, etc.)

The Tuner+ app will help you to tune your Guitar, Bass, Banjo, Mandolin, Cello, Violin, Piano, Viola, or Ukulele in seconds. This app plays perfectly tuned notes for you to match your pitch to. The sounds are both real audio and sine wave form. Tuner+ is now supports full VoiceOver Accessibility.

• Simple and easy to use design
• Supports VoiceOver Accessibility
• iPhone and iPad compatibility
• Over 1 million`s downloads

Guitar Tuna is a fast, easy, and accurate tuner app. It works to tune guitar and all other popular string instruments like ukulele and bass. It is simple and easy to use, great for beginners, simple and intuitive, and uses award-wining audio technology. It offers professional accuracy for advanced players, auto-mode tuner, and more. There are also advanced tools like the chord library metronome, six ultimate chord-learning games, four guitar songs to learn, and alternative tuning sets. Over 100 tunings are available. The app actually works in noisy settings thanks to its background noise cancellation technology.  GuitarTuna app review

• Choose different headstock visuals
• Fast, easy, and accurate
• Works on guitar and all other stringed instruments
• Professional accuracy
• Free with in-app purchases

The Chromatic Guitar Tuner : Tune your Ukulele, Acoustic and Electric Guitars ! app helps you tune your stringed instrument with an incredibly high level of precision and ease. The app will determine the string deviation and will show you the direction in which you should adjust it. There is also a built-in tuning fork for tone generation that you can use for a more advanced tuning. The next update, which is anticipated soon, will have a safe tuning mode, a great new design, new tuning modes and instruments, and more.

• Will tune uke with no in-app purchase
• High level of precision
• Built-in tuning fork
• Easy to use
• Totally free tuning app

This app is a complete toolkit for musicians of all levels. There are 5 separate modes including a tuner, metronome, recorder, setlist and loop. Each mode works simultaneously with the metronome. Additionally, each mode has fantastic capabilities that really helps users get the most out of their music instruments. The app has a beautiful interface, portrait and landscape views, custom themes, multitasking capabilities, transposition, fine turning and more. This is the free version with limited capabilities. There are in-app purchases to remove ads and to unlock full access.

• A complete toolkit for all musicians
• 5 separate modes including a handy Tuner
• Cool interface, Portrait and Landscape views
• Custom themes, Transposition, Multitasking
• In-app purchase for full version and to unlock ads

Tunable isn’t just a tuner, it is also a metronome and recorder app. Use this app to tune your instrument, set the metronome so you can stay on beat, and record your performance so you can listen later and improve. You can learn to play in tune with sustained pitch history because you can visualize how steadily you play or sing. Improve your ear with the tone and chord generator, and even share your performances by email, DropBox, SoundCloud, and more after you’ve recorded them. The app is especially good with wind instruments and strings with note detection from Tuba to Piccolo.  Tunable app review

• Tuner, metronome, and recorder
• Sustained pitch history
• Clear, visible tuner
• Highly accurate
• One-time purchase

Tuner by plusadd is an instrument tuner and pitch pipe that you can use to quickly and accurately tune your instrument. It uses the built-in mic in your iPhone and supports things like adjustable calibration, transposition, and notations. It will help you to understand sound more intuitively using the spectrum power indicator. Simple enough for anyone to use, this app offers more features and power than some more expensive apps. You can use it to tune any instrument that sustains a tone. Features include a needle meter display, and easy-to-understand LED display, selectable temperaments, pitch pipe/tone generator, and more. You can even change the wallpaper.

• Power spectrum indicator
• Ultra-responsive
• Support for transposing instruments
• Tune any instrument that can sustain a tone
• One-time purchase

TuneLab Piano Tuner is for professional piano technicians. With the $299.99 price tag, that should be fairly obvious, but who knows? It’s capable of an accuracy of 0.02 cents, provides an over-pull mode for pitch-raises, switches notes automatically when you play the next note, and offers a strobe-like phase display for fine-tuning. It can store hundreds of tuning files for individual pianos; you can store those files locally or on Dropbox. You get two displays visible at once: the phrase display and the spectrum display. This gives you a more complete picture of the tuning than any other kind of tuner.

• Highly accurate
• Stores hundreds of tuning files for individual pianos
• For professional piano technicians
• Two displays visible at once
• One-time purchase

TonalEnergy Chromatic Tuner and Metronome is a music app for everyone, from beginner to pro, for players of strings to woodwind, and everything in between. This app will respond to all instrument types in the pitch range from C0 to C8. You get a dedicated string tuning screen, the target tuner display, chromatic wheel, and a tone generator. There’s also a multi-function metronome, an analysis page, and more. You can import songs, generate a pitch reference note using the TonalEnergy instruments or waveform, and instantly change among equal, just, and other custom temperaments.  TonalEnergy Chromatic Tuner and Metronome app review

• All-inclusive tuner and metronome
• For all types of instruments
• Pitch range from C0 to C8
• Makes practicing more fun and effective
• One-time purchase