Comparison

Chord Learner vs pocketOscilloscope

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

pocketOscilloscope

Visualize audio waveforms on your Mac, PC, or iOS device. This tool offers detailed controls for RMS/Peak metering, voltage, gain, and visual elements like line thickness and rotation. Customize channel colors for a personalized audio analysis experience.

Highlights
  • Stereo capable oscilloscope
  • RMS/Peak meter
  • Controllable Vertical/Horizontal Offset
  • Voltage and Gain controls
  • Line Thickness and Rotation
  • Custom color selection
Features
Read full description

pocketOscilloscope is a Mac/PC and iOS compatible stereo capable oscilloscope tool for audio nerds. Complete with RMS/Peak meter and controllable Vertical and Horizontal Offset. As well as separate Voltage and Gain controls, coupled with visual controls like Line Thickness and Rotation for a complete experience. Custom color selection for audio channels 1 & 2. This tool is great for checking your custom built oscillators, plug-ins, or just visualizing your audio. VST3, AU, AUv3, & Stand-alone compatible. *Stand alone app works with external audio hardware devices.

Screenshots

Chord Learner4 screens
pocketOscilloscope4 screens

Verdict

The call

The clearest difference is rating: pocketOscilloscope at 3.6 against Chord Learner's 1.0. pocketOscilloscope also leads on review sentiment (50% vs 20%) and price ($0.99 vs $4.99). 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

CostPrice · In-app purchases · Ads · Monetization

Chord Learner costs $4.99 and pocketOscilloscope $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

pocketOscilloscope holds the better App Store score, 3.6 against 1.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 20% of Chord Learner's written reviews are positive against 50% of pocketOscilloscope's.

UpkeepUpdate frequency

Chord Learner ships an update every 37 months, pocketOscilloscope every 12 months. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
Chord Learner versus pocketOscilloscope: the parameters behind the verdict, then further details
ParameterChord LearnerpocketOscilloscope
Price$4.99$0.99 — better
Rating1.0 (2 ratings)3.6 (5 ratings) — better
Positive reviews20.0% of reviews50.0% of reviews — better
Number of ratings25 — better
Update frequencyEvery 37 monthsEvery 12 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size2 MB16 MB
Age rating4+4+
DeveloperMichael RyleeOSC Audio

Customer experience

Chord Learner

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews5 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

pocketOscilloscope

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

Chord Learner

No in-app purchases

None

pocketOscilloscope

No in-app purchases

Questions

Is Chord Learner free?
Chord Learner costs $4.99, with no in-app purchases.
Is pocketOscilloscope free?
pocketOscilloscope costs $0.99, with no in-app purchases.
Which has better reviews, Chord Learner or pocketOscilloscope?
pocketOscilloscope is rated higher. Chord Learner averages 1.0 out of 5 from 2 ratings, while pocketOscilloscope averages 3.6 from 5 ratings.
Do Chord Learner or pocketOscilloscope have ads?
Neither Chord Learner nor pocketOscilloscope shows ads.
Which is updated more often, Chord Learner or pocketOscilloscope?
Chord Learner ships an update every 37 months, and pocketOscilloscope every 12 months. Most recently, Chord Learner was updated on October 16, 2026 and pocketOscilloscope on October 9, 2026.

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