Fretboard Sessions vs Harmonauta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fretboard Sessions
Visualize chord tones and scales on a guitar fretboard with customizable keys and tunings. Practice soloing and phrasing over a library of high-quality backing tracks that adapt to the music.
- Fretboard visualization
- Chord tone and scale display
- Customizable keys and tunings
- Library of backing tracks
- Adaptive fretboard with tracks
- Practice exercises
- Randomized practice routines
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Visualize chord tones and scales in different keys and tunings, and practice phrasing or soloing over a growing library of high-quality backing tracks. Fretboard Sessions is a companion app for guitarists focused on taking their playing to the next level, whether they are working with a teacher, taking a course, or studying on their own. Easily Visualize the Fretboard Instead of having to go through pages of charts and diagrams, you can quickly configure the fretboard to show you exactly what you want. Select a key, show chord tones, scales, or both, and choose to show notes or degrees on the fretboard. You can select from different tunings and even focus the fretboard on specific strings or scale degrees. Play Along With Backing Tracks To help you get better at melodic phrasing and soloing, Fretboard Sessions comes with a library of high-quality backing tracks. There are single-chord grooves, two-chord vamps, common progressions, and more complex backing tracks with extended and non-diatonic chords. The fretboard automatically changes as the backing track plays, making it easy for you to try out different melodies and licks. Each backing track is available in all 12 keys. Practice With Exercises When you want to review your scales, arpeggios, triads, or intervals, simply select an exercise from the Fretboard Sessions library. Each exercise has a specific focus; for example, there are separate exercises for each of the CAGED shapes. Exercises are also available in all 12 keys. Randomize Your Routine When it comes time to practice or just noodle around, it’s easy to get stuck in a rut. Tap the shuffle button or shake your iPhone to get a random backing track or exercise. You can shuffle between favorites and even get the backing track or exercise in a random key. Support Fretboard Sessions I created Fretboard Sessions to help me visualize the fretboard in different ways, practice over a variety of backing tracks, and use it as a reference when creating my own music. Fretboard Sessions is helping me become a better player, which is why I want to share it with others. All the app functions, along with a set of backing tracks and exercises, are completely free. For a single one-time purchase, you can unlock all current and future backing tracks and exercises. Your purchase will help support continued development of Fretboard Sessions . Thanks in advance! Feedback Appreciated The app is a work in progress, and I'm still learning, so if you have ideas for making it better, you can provide feedback right from within the app. Also, if Fretboard Sessions is helping you become a better player, consider submitting a review on the App Store.
Harmonauta
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Harmonauta is a music maker for songwriters that starts where songs actually start: with a feeling. Instead of scales, wheels and chord tables, you get a living galaxy of sixteen emotions. Tap Longing, add a little Joy, pull Serenity closer, and the Core hums the key it hears. Forge it, and Harmonauta lays out a chord progression that carries that feeling: the right mode, the right movement, the right extensions, voiced and played back so you can judge it by ear. Then keep shaping. FORGE A TONE • Blend up to four emotions and weight them by dragging them toward the Core • Progressions built from a library of emotional archetypes across seven modes • Depth control: Pure triads, Rich sevenths, or Lush ninths and colour tones • Feel control: hold, pulse, strum, picked or piano comping, plus tempo and key • Genre: Pop, Rock, Hip-hop, R&B, Electronic, Folk, Jazz, Lo-fi, Bossa nova, MPB, Reggae or Blues, or let the feeling decide • A melody line written over your chords, shown as a piano roll, rerollable • Reroll for another take on the same feeling HEAR IT PROPERLY • Ten instruments (pad, glass keys, pluck, electric piano, nylon guitar, crunch guitar, organ, bells, strings, flute) and three basses • Drums with sixteen grooves, from a soft pulse and bossa to boom bap, swing, samba, one drop, four on the floor and a blues shuffle • Bass lines that play a real part: a pedal under calm, lush chords, root and fifth, octaves when it gets loud, a walking line through the key; genres bring their own, from a blues boogie to samba and bossa • Five spaces from dry to cathedral and plate • Binaural beat for headphones: a quiet tone in each ear around the key note, pulsing in time with the song • The screen stays awake while anything is playing • Auto picks all of it from the feeling or the genre; override anything in the Sound sheet RESHAPE ANY CHORD • Shards: smart substitutions for every chord, from relative minors and mediants to secondary dominants, tritone subs and borrowed colour • Change chord lengths, add and remove chords • See the guitar shape for every chord, with alternatives one tap away GROW IT INTO A SONG • The Journey builds an intro, verse, pre-chorus, chorus, bridge and outro from your seed • Tint any section with a different feeling and Harmonauta rewrites its harmony to match • Reorder, duplicate, repeat and regenerate sections • Play the whole arrangement end to end; the trail scrolls itself to the section being played TAKE IT WITH YOU • Guitar sheet PDF: chord diagrams above every bar, fingerings, barres, positions • MIDI export for any tone or full song with chord, bass line, melody and drum tracks, ready for your DAW • Copy a chord sheet as text • A library that remembers every tone and song with its mood Harmonauta is built for songwriters, composers, producers and anyone who has a feeling before they have a chord. It runs entirely on your device, with no account and no internet required.
Screenshots
Verdict
The clearest difference is in-app purchases: Harmonauta at none against Fretboard Sessions's 1. Harmonauta also leads on update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement 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
Both are free to download. Fretboard Sessions sells 1 one-off in-app purchase. Harmonauta asks for nothing beyond the download.
Fretboard Sessions ships an update every 2 weeks, Harmonauta every 4 days. Both last shipped on October 31, 2026.
| Parameter | Fretboard Sessions | Harmonauta |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Fretboard Buddy LLC | Evandro Guedes Machado |
In-app purchases
Fretboard Sessions
- All Backing Tracks and Exercises$4.99
Harmonauta
No in-app purchases
Questions
Is Fretboard Sessions free?
Is Harmonauta free?
Do Fretboard Sessions or Harmonauta have ads?
Which is updated more often, Fretboard Sessions or Harmonauta?
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