Chord Learner vs UniTuner Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chord Learner
Master music theory with this comprehensive chord learning tool. Practice identifying chords by name or notes, and explore various chord types and keys. Perfect for musicians of all levels looking to enhance their skills.
- Learn and practice chord notes
- Learn and practice chord names
- Explore 32 chord types
- Practice chords in 12 major keys
- Configurable key and chord selection
- Hint button for assistance
- Color-coded feedback and statistics
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Whether you are a beginner or expert musician, you will find this app useful as a fun tool for learning, understanding, practicing, and improving your knowledge of chords. Having quick mental ability of knowing chord names and their notes can help you take your musical talent to the next level. If you play an instrument that uses chords you can improve your skills by playing Chord Learner. This app can help any musician at any level. The makers of the popular Fretboard Addict family of apps that are now serving over 1 million musicians brings you another great app to add to your musician toolbox. Thank you for supporting our products! CHECK OUT A DEMONSTRATION VIDEO AT: www.guitaraddict.net Features: -Learn and practice naming a chord’s notes, given a chord name -Learn and practice naming a chord, given its notes -Learn and practice any combination of 32 chord types based on triad, 4th, 5th, 6th, 7th, 9th, 11th, and 13th -Learn and practice chords from any combination of the 12 major keys in the circle of fifths -Simple to configure key selection by touching any key in the circle of fifths or use the convenient select all / clear all buttons -Simple to configure chord type selections by using the preset buttons at the top of the screen to select groups of chords, or by touching the chord types on the screen, or by using the select all / clear all buttons -Hint button that shows the key that the chord is in, chord type, chord root’s major scale, and chord formula for helping any level of musician -Progressive answer entering system that gives you color coded feedback on each step of the answer so you know whether you are correct or incorrect -Effective color coded statistics that show your progress for keys worked on and for chord types worked on (Blue=Not Worked On, Green=80%+ Correct, Yellow=60%+ Correct, Red=Below 60% Correct) -Total running average is shown on the Play tab so you know your all time average. -This app perfectly compliments the Fretboard Addict family of apps for practicing and learning notes, chords, and soloing for guitar, bass, electric guitar, and ukulele -This is a great app for piano players to practice and learn chords -Universal app for your iPhone, iPad, or iPod touch devices
UniTuner Pro
This advanced chromatic tuner offers 1/10th cent accuracy with visual feedback and a tone generator. It supports over 200 string instrument tunings, custom tunings, and various tuning systems. Visualize pitch, harmonics, and overtones for precise instrument tuning.
- 1/10th cent accuracy
- Tone generator with multiple waveforms
- Over 200 instrument tunings
- Custom tuning creation
- Audio visualization (spectrogram)
- Intonation diagram (tuning map)
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Features: - Customizable User Interface: Pick your favorite readout method in landscape or portrait mode. - App supports dark and light mode. - Recognized note shown in classical notation - Accurate Cent Readout with Direct Feedback: No more guessing! Get precise 1/10th cent accuracy from bass to the highest note. - Tone Generator: Tune your drums or instrument by ear using the tone generator, which includes Sine-Wave, Triangle, and Square-Wave options. - Timeline: Visualize the pitch in cents of the detected note. - Audio Visualization (Spectrogram): View your instrument's harmonic spectrum for better understanding the overtones. Intonation Diagram (Tuning Map): Display of the note with all overtones! This unique feature visualizes a note’s pitch over time—from the initial attack to the final decay. Perfect for instruments with short sustain, such as percussion instruments. - Customizable Concert Pitch: Set your concert pitch from 220 Hz to 880 Hz. - Over 200 Tunings for String Instruments, including: Ahenk, Armonico, Arpeggione, Bağlama / Saz - long neck, Baglamas, Bajo Quinto, Bajo Sexto, Balalaika, Bandurria - Spanish, Banjo, Banjo - Bass, Banjo - Cello, Banjo - Contrabass, Banjo - Tenor, Banjolete, Bass (Doublebass), Bouzouki (trichordo), Bouzouki (tetrachordo), Cello, Cuban Laúd, Dotara, Dulcimer - 3 course, Dulcimer - 4 course, Fiddle, Gekkin, Guitalete, Guitar, Guitar - 12-String, Guitar - Baritone, Guitarrón, Halszither, Hurdy Gurdy, Irish Bouzouki, Jarana Huasteca, Kamancheh, Kithara Sarda, Kora, Koto, Laúd - Spanish, Laúd - Cuban, Laúd - Philippine, Mandobass - 4 String, Mandobass - 8 String, Mandocello, Mandola, Mandolin, Nevoud, Oud, Pedal Steel Guitar, Pipa, Portuguese Guitar, Qinqin, Requinto, Russian Guitar, Setar, Ukulele, Ukulele - Baritone, Ukulele - Bass, Ukulele - Soprano, Vihuela, Viol (Baritone, Bass, Contrabass, Soprano, Tenor, Treble), Viola, Violin, Violin - Tenor, Xiaoruan, Yueqin, Zheng - You can also create and store your own custom tunings and instruments. - "Perfect 5th" tuning for: Violin, Viola, Cello, Double bass. - Transpose: The output can be shifted by a specified number of semitones - Note names: English, German, Japanese, Korean, Chinese, Russian, Greek, Bengali, Hindustani, Fixed & Movable Solfège - Choose from Various Tuning Systems for Open Tunings or Historical Instruments: Just Intonation, Pythagorean, Meantone, and many more. - You can also create and store your own custom temperaments. - Enhance your open tunings with Just Intonation: Experience the unique sound quality of pure tuning by setting the UniTuner to Just Intonation and the root note of your tuning
Screenshots
Verdict
The clearest difference is review sentiment: UniTuner Pro at 100% against Chord Learner's 20%. UniTuner Pro also leads on rating (5.0 vs 1.0) and update cadence (fortnightly vs every 37 months). Chord Learner's advantage is price ($4.99 vs $7.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Chord Learner costs $4.99 and UniTuner Pro $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
UniTuner Pro holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 20% of Chord Learner's written reviews are positive against 100% of UniTuner Pro's.
Chord Learner ships an update every 37 months, UniTuner Pro fortnightly. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.
| Parameter | Chord Learner | UniTuner Pro |
|---|---|---|
| Price | $4.99 — better | $7.99 |
| Rating | 1.0 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 20.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 37 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Rylee | Klaus Fecker |
Customer experience
Chord Learner
UniTuner Pro
In-app purchases
Chord Learner
No in-app purchases
UniTuner Pro
No in-app purchases









