Best Rtd Tuner Apps

249+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated August 2026

Whether you're new to rtd tuner or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Rtd Tuner Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Tune Delivery Network (TDN)Tune Delivery Network (TDN)Free2.5★ (26)NoNoAug 2026
2Fender Tune: Guitar Tuner AppFender Tune: Guitar Tuner AppFree4.8★ (149K)YesNoAug 2026
3Practimo TunerPractimo TunerFreeNoNoJul 2026
4Tuner Lite by PiascoreTuner Lite by PiascoreFree4.5★ (9.9K)YesNoAug 2026
5Toone - Chromatic TunerToone - Chromatic TunerFree5.0★ (1)NoNoMay 2026
6Ukulele Tuner - TrueStudioUkulele Tuner - TrueStudioFree4.9★ (336)YesNoAug 2026
7n-Track Tunern-Track TunerFree4.7★ (3.2K)YesYesAug 2026
8Guitar Tuner - ChromaticGuitar Tuner - ChromaticFree4.6★ (8.2K)YesYesAug 2026

Top Picks for Rtd Tuner

Tune Delivery Network (TDN)#1

Tune Delivery Network (TDN) by HP Tuners LLC

For RTD+ and other TDN devices
Editor's Choice
🔧 Utilities
2.5😞(26 ratings)
Free
Tune Delivery Network (TDN) screenshot 1
Tune Delivery Network (TDN) screenshot 2
Tune Delivery Network (TDN) screenshot 3
Tune Delivery Network (TDN) screenshot 4
Tune Delivery Network (TDN) screenshot 5
Tune Delivery Network (TDN) screenshot 6

This application allows users to receive custom vehicle tunes from their tuner via a compatible TDN delivery device. It facilitates the transfer of performance tuning files directly to your vehicle's tuner. A specific TDN-compatible hardware device is necessary to use this service.

What We Love

  • 🚀 Flashing tunes fast and easy
  • 🚀 Convenient for tuning without a Windows PC
  • 👍 Great for remote tuning and diagnostics
  • 👍 Works well when tuner sends file

Room to Improve

  • 🐛 Constant connectivity issues
  • 🐛 Crashes and freezes frequently
  • 🐛 Glitchy and inconsistent performance
Fender Tune: Guitar Tuner App#2

Fender Tune: Guitar Tuner App by Fender Digital

Chords, Scales and Metronome
Strong Contender
🎵 Music
4.8😐(149K ratings)
FreeAds
#71in Music
Fender Tune: Guitar Tuner App screenshot 1
Fender Tune: Guitar Tuner App screenshot 2
Fender Tune: Guitar Tuner App screenshot 3
Fender Tune: Guitar Tuner App screenshot 4
Fender Tune: Guitar Tuner App screenshot 5
Fender Tune: Guitar Tuner App screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Accurate tuning
  • 🚀 Convenient for beginners
  • 👍 Variety of tuning options

Room to Improve

  • 🐛 Inconsistent string detection
  • 🐛 Inaccurate tuning at times
  • 🐛 Causes string breakage

More Rtd Tuner apps to explore

4
Tuner Lite by Piascore
Tuner Lite by Piascore
Tuner Lite by Piascore
The Ultimate Chromatic Tuner
Free

This app provides accurate chromatic tuning for a wide range of musical instruments using your device's microphone. It features a responsive needle meter, pitch pipe, and automatic calibration for precise tuning. An optional full version offers advanced features.

Chromatic instrument tuningBuilt-in microphone supportNeedle meter display
🎵 Music
(9.9K)
free with in-app purchases
5
Toone - Chromatic Tuner
Toone - Chromatic Tuner
Toone - Chromatic Tuner
Guitar, Instrument & Vocal
Free

A fast and clean chromatic tuner for various instruments, including guitar, bass, and vocals. It offers haptic feedback, a pitch reference keyboard, and adjustable A=440 tuning. This app is completely free with no ads or subscriptions.

Chromatic tuningInstrument support (guitar, bass, vocals)Haptic feedback
🎵 Music
(1)
free
6
Ukulele Tuner - TrueStudio
Ukulele Tuner - TrueStudio
Ukulele Tuner - TrueStudio
Easy & Accuracy
Free

This application provides a professional and accurate way to tune your ukulele using your iPhone's microphone. It analyzes the sound in real-time, indicating whether a note is sharp or flat for quick adjustments.

Professional ukulele tuningReal-time sound analysisSharp/flat note indication
🔧 Utilities
(336)
ad-supported
7
n-Track Tuner
n-Track Tuner
n-Track Tuner
Tune guitar,bass & instruments
Free

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.

High precision tuningSpectrum AnalyzerInstrument selection
🎵 Music
(3.2K)
free with in-app purchases
8
Guitar Tuner - Chromatic
Guitar Tuner - Chromatic
Guitar Tuner - Chromatic
Tuner for Guitar Bass Ukulele
Free

This application provides a highly accurate chromatic tuner for any instrument. It features advanced noise cancellation and a detailed fine-tuning display, ensuring precise pitch readings for musicians of all levels. The tuner offers a fast refresh rate and works with any note.

Works with any instrumentChromatic tuning for any noteAccurate to 0.33 Hz
🎵 Music
(8.2K)
free with in-app purchases
9
Pano Tuner Lite
Pano Tuner Lite
Pano Tuner Lite
Guitar, violin, cello & piano
Free

This application listens to your instrument's sound and displays its pitch, allowing for accurate tuning by showing the deviation from the desired note. It offers a wide pitch sensor range and customizable settings for concert-A frequency and sensitivity.

Listens to instrument sound and displays pitchAccurate tuning via offset from desired pitchQuick and sensitive response
🎵 Music
(7.6K)
free with in-app purchases
10
Simply Tuner - Violin, Cello
Simply Tuner - Violin, Cello
Simply Tuner - Violin, Cello
A simple tuner for beginners.
Free

This app offers a simple and accurate way to tune string instruments like violins, violas, and cellos. It provides step-by-step instructions and a strong noise filter, making it ideal for beginners and those new to music.

Free and ad-freeSimple and accurate tuningStep-by-step instructions
🎵 Music
(2.5K)
free
11
Tuner: Notes & Hz
Tuner: Notes & Hz
Tuner: Notes & Hz
Tuner: Notes & Hz
Free
🔧 Utilities
(0)
12
BOSS Tuner
BOSS Tuner
BOSS Tuner
by Roland Corporation
Free

This app offers world-renowned chromatic tuning technology for iOS devices, replicating the look and feel of a popular pedal tuner. It uses your device's microphone to tune a wide range of instruments, from guitars and basses to strings and brass. An audible reference pitch function and enlarged meter view enhance the tuning experience.

Hands-free chromatic tuningAudible reference pitchHorizontal screen for enlarged meter
🎵 Music
(118)
free
13
Guitar Tuner - Simply Tune
Guitar Tuner - Simply Tune
Guitar Tuner - Simply Tune
Ads Free, Everything Unlocked
Free

This app provides a user-friendly and accurate way to tune various stringed instruments. It offers step-by-step visual guidance, auto and manual tuning modes, and an essential chord library for learning songs.

Instrument tuning (guitar, bass, ukulele)Step-by-step visual guidanceAuto-tune mode
🎵 Music
(102K)
free with in-app purchases
14
Tuner T1
Tuner T1
Tuner T1
Tune any musical instrument
Free

This app provides highly accurate tuning for a vast array of musical instruments, from guitars and violins to pianos and flutes. It features a chromatic tuner, transpose mode, and a tone generator for comprehensive musical practice and performance needs.

Extremely accurate tuning (±0.1 cents)Chromatic tuner for all instrumentsTranspose mode for real-world playing
🎵 Music
(10K)
free with in-app purchases
15
Tuner App
Tuner App
Tuner App
Precise Instrument Tuner
Free

This application provides musicians with a precise and user-friendly tool for tuning various instruments. It offers chromatic tuning, cent-level accuracy, and pre-set tunings for popular instruments, aiding in both practice and performance.

Chromatic tunerCent precision displayInstrument tuning presets
🎵 Music
(1)
free with in-app purchases
16
Tuner ∞
Tuner ∞
Tuner ∞
by Panoramic Software Inc.
Free

This highly accurate and customizable digital tuner is essential for musicians of all levels. It offers visual feedback on pitch deviation and sound frequency, with automatic or manual note selection. An optional metronome with perfect timing is available via in-app purchase.

High precision digital tuningVisual pitch deviation indicatorsSound frequency graph display
🎵 Music
(12)
free with in-app purchases
17
Guitar Tuner - Simple Tuner
Guitar Tuner - Simple Tuner
Guitar Tuner - Simple Tuner
Tune your guitar and play
Free
🎵 Music
(0)
18
Ekin Tuner: Chromatic Tuner
Ekin Tuner: Chromatic Tuner
Ekin Tuner: Chromatic Tuner
by Ercument Ekin
Free
🎵 Music
(0)
19
Tuner
Tuner
Tuner
with Metronome
Free

This music tool helps you tune instruments by detecting sound frequencies and displaying musical notation. It also includes a metronome with adjustable tempo and time signatures, and allows simultaneous use of both features.

Instrument tuningSound frequency detectionMusical notation display
🎵 Music
(1)
free with in-app purchases
20
Xho Tuner
Xho Tuner
Xho Tuner
Your pocket chromatic tuner
Free
🎵 Music
(0)

FAQ about Rtd Tuner

What are the best rtd tuner apps for iPhone?
Tune Delivery Network (TDN) tops our rtd tuner apps ranking as of August 2026, with a 2.5-star average from 26 App Store ratings, and it's free to download.
Yes — 20 of the top rtd tuner apps we rank are free to download, including Tune Delivery Network (TDN) and Fender Tune: Guitar Tuner App.
Tune Delivery Network (TDN) has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ rtd tuner apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The Tune Delivery Network app allows you to receive custom performance tunes for your vehicle directly from your tuner. It acts as a conduit to transfer these tuning files to your compatible TDN delivery device.
You will need a TDN-compatible delivery device, such as an HP Tuners RTD+, MPVI3, or MPVI2+. This hardware is essential for the app to function and receive tunes.