Misplaced your tuner? Dead battery? There’s an app for that.

When your tuner’s acting up, you can’t find it, or don’t have (gasp) one, there are plenty of phone app tuners that feature other built-in goodies, too. Here are 10 apps, with most also having a free version.

FENDER

Fender Tune Player PackThis enhanced-accuracy tuner with a variety of modes and tunings is part of a tool kit that includes chords, scales, beats, and a metronome.
$5
fender.com

YOUSICIAN

GuitarTuna ProThis customizable app for iOS and Android has over 100 different tunings for 15 instruments and features a variety of tools, including a chord guide, ear training, and other exercises.
$13
guitartuna.com

IK MULTIMEDIA

UltraTuner
Providing accurate readings down to .01 of a cent, this app for iOS and Android features tuning modes for stage and studio, as well as tuning history to record variations over time.
$10
ikmultimedia.com

EUMLAB

insTuner
This easy-to-use app provides five different tuning modes for different situations, while offering a variety of advanced features.
$4
eumlab.com

TC ELECTRONIC

PolyTune
Featuring PolyTune technology, which allows all the strings to be strummed and tuned simultaneously, this iOS app can be set for drop tunings up to five semitones down.
$5
tcelectronic.com

OTREUS

VITALtuner Pro
This iOS app offers four unique tuning modes, 100 temperaments, and 130 tunings for 40 different instruments.
$15
otreus.com

PROGUITAR

Pro Guitar Tuner Premium
This chromatic tuner for iOS and Android features a large library of different tunings and provides high-quality samples of real instruments to tune by ear, if that’s preferred.
$6
proguitar.com

BOSS

Chromatic Tuner
Featuring the display style of their popular pedal tuner, this app has two different skins to choose from and brings Boss’s tuning technology to iOS and Android devices.
Free
boss.info

BITCOUNT

Cleartune
Featuring an easy-to-read note-wheel display, this app has selectable temperaments and notations, and reports tuning accuracy of +/- .01 semitone.
$4
bitcount.com

N-TRACK SOFTWARE

n-Track Tuner Pro
Featuring six different views to choose from, this app offers both Western and Latin note namings, and the ability to calibrate for non-standard tunings.
$8
ntrack.com
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