Comparison

Open String Guitar Chords vs Guitar Intervals Pro

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

Head to head
About

Open String Guitar Chords

Explore a vast collection of open string guitar chords with multiple voicings and transposition options. This app provides instant playback, optimal fingerings, and scale degree information for musicians of all levels.

Highlights
  • 596 open string chords
  • Chord transposition with capo
  • Optimal fingerings provided
  • Instant chord playback
  • 3 guitar sound banks
  • Scale degree display
Features
Read full description

This application contains a unique collection of beautiful air open string chords which differs drastically from our other previously released chord applications. Thanks to the open strings you can get a very wide fingerings, and when you transpose chord you can use a capo. In the 1960's one of the first guitarists who used open-string chords was Chet Atkins and Merle Travis. After, such guitarists as Lenny Breau and Tommy Emmanuel were using these chords in their music. Later, chords with open strings were used by such famous great guitarists as John McLaughlin, Pat Metheny, Paco de Lucia, Al Di Meola, Nuno Bettencourt and others. These chords are found in all styles of music, from classical to progressive metal. Open String Guitar Chords app is not only just a collection of chords (when "Slow" or "Fast" behavior selected), but it also shows their possible voicings (when "Auto" behavior selected). Both beginners and professionals can benefit from this app and take enough material for their music. ●●●●● Features: --------------- ● 596 different open string chords, which can be easily transposed (using a capo) to any desired key, resulting in about 5,000 of total open string chords! ● transpose chords to any desired key by dragging notes on the screen with your finger. A capo will appear on the fretboard when you transpose open string chords ● only the best sounding chords were selected for you and presented in this collection ● every chord provided with corresponding optimal fingerings for your comfort ● degree feature to see scale degree of selected note ● instant playback of selected chord with acoustic guitar sounds ● 3 guitar sound banks to select from: Acoustic, Piezo and Chorused ● note names are displayed inside the playback cursor ● sharp and flat signatures correspond to the current chord's key ● 3 modes (behaviors) of chord's playback: Slow, Fast and Auto ● manual step by step note playback in both directions ● manual note selection by tapping notes on the screen ● designed for both iPhone and iPad For support and more info about this and other products please visit our website: http://www.fonexsis.com

About

Guitar Intervals Pro

Features
Read full description

Guitar Intervals shows you where every musical interval lies on the guitar neck, so you can recognize intervals by sight and by ear, and find them anywhere on the fretboard. Choose a root note and an interval, and the app highlights the root and the interval note on every string. Tap any note to hear how it sounds. FEATURES - 12 intervals, from minor 2nd up to the octave - 12 root notes - 9 tunings: standard, half step down, whole step down, drop tunings and more - Realistic fretboard view - Tap a note to hear it, with real guitar samples - Small download size, works offline WHO IS IT FOR Guitarists who want to understand the fretboard: beginners learning the notes, players who want to build chords and scales from intervals, and anyone training their ear and theory. Knowing intervals is the foundation of chords, scales, melodies and improvisation. Pick an interval, find it on the neck, play it, and the shapes will quickly become familiar. The app is free and supported by ads. Questions or suggestions? Write to us, we read every message.

Screenshots

Open String Guitar Chords4 screens
Guitar Intervals Pro4 screens

Verdict

The call

The clearest difference is update cadence: Open String Guitar Chords at every 7 months against Guitar Intervals Pro's every 39 months. Open String Guitar Chords also leads on iOS requirement (11.0 vs 17.0). Guitar Intervals Pro's advantage is price ($2.99 vs $7.99). On ads, in-app purchases and device support 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

Open String Guitar Chords costs $7.99 and Guitar Intervals Pro $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Open String Guitar Chords ships an update every 7 months, Guitar Intervals Pro every 39 months. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 7 level
Open String Guitar Chords versus Guitar Intervals Pro: the parameters behind the verdict, then further details
ParameterOpen String Guitar ChordsGuitar Intervals Pro
Price$7.99$2.99 — better
Rating4.7 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 7 months — betterEvery 39 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17.0
Further details — not scored
Size34 MB2 MB
Age rating4+4+
DeveloperFonexsisAndrii Pirumov

In-app purchases

None

Open String Guitar Chords

No in-app purchases

None

Guitar Intervals Pro

No in-app purchases

Questions

Is Open String Guitar Chords free?
Open String Guitar Chords costs $7.99, with no in-app purchases.
Is Guitar Intervals Pro free?
Guitar Intervals Pro costs $2.99, with no in-app purchases.
Do Open String Guitar Chords or Guitar Intervals Pro have ads?
Neither Open String Guitar Chords nor Guitar Intervals Pro shows ads.
Which is updated more often, Open String Guitar Chords or Guitar Intervals Pro?
Open String Guitar Chords ships an update every 7 months, and Guitar Intervals Pro every 39 months. Most recently, Open String Guitar Chords was updated on November 3, 2026 and Guitar Intervals Pro on November 2, 2026.

Other comparisons