Guitar Note Atlas vs Spark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Guitar Note Atlas
This app provides an interactive fretboard map to help guitarists of all levels visualize note locations and understand musical scales. It offers customizable views, scale modes, and practice aids for both right and left-handed players.
- Interactive fretboard map
- Scale visualization (Major, Melodic Minor, etc.)
- Customizable note selection
- Multiple scale positions
- Bass guitar mode
- Left-hand mode
- Scale degree numbers
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Guitar Note Atlas is an interactive map of the guitar designed to help players of all levels better visualize the layout of the notes on the fretboard. It serves as a perfect practice aid for learning the geography of the guitar as well as understanding the modes of the Major Scale, Melodic Minor, Harmonic Minor, and Harmonic Major. Flexibility and interaction allows for ultimate creativity. You can select any combination of notes you want to see right on the main screen, or pick a scale from the drop-down menu. Switch quickly between all 7 positions or tap the diagram to zoom out and view the entire fretboard at once. (The iPad version shows both views simultaneously.) Features: - Bass Guitar Mode - Left Hand Mode - Change keys - Native iPad version (buy once and use on all devices) - Flip diagram upside down - Show/Hide scale degree numbers -Show/Hide colored-in anchor frets Included in the app is a tutorial to get you started (both right- and left-handed versions).
Spark
This intelligent amp and app combination creates a virtual band that learns your playing style to generate accompanying bass and drums. Access millions of songs with auto-displayed chords, over 10,000 tones, and voice command functionality. It's designed to enhance your practice and performance experience.
- Auto chord display for millions of songs
- Smart Jam with AI-generated bass and drums
- Voice command control
- BIAS tone engine with 10,000+ presets
- Tempo control and looping for practice
- Realistic virtual tube amps and effects
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The smart amp and app that jam along with you using intelligent technology. Play and practice with millions of songs and access over 10,000 tones powered by our award-winning BIAS tone engine. *Auto Chords* Automatically display chords for millions of songs. Choose any song, and Spark will auto display its chords in real-time as you play. Easy controls let you slow down the song’s tempo or loop a difficult section as you master playing it. *Smart Jam* The Spark amp and app work together to learn your style and feel, and then generate authentic bass and drums to accompany you. It’s a smart virtual band that goes wherever you go! *Voice Command* The Spark app responds to your voice commands. Tell it to stream a rock song or a blues backing track, or ask for a virtual band to follow your playing. *Tone Engine* Whether you play pristine melodies, crunchy chords or soaring leads, Spark gives you a full amp modeling and multi-effects engine, powered by Positive Grid’s state-of-the-art BIAS with the most realistic virtual tube amps and effects on the planet. *Requires Spark Amp* *10,000+ Tones* The Spark app provides over 10,000 killer guitar and bass amp -and-FX presets from famous guitarists, professional session players, expert studio engineers and hit-making producers from around the world. If you have any questions or feedback, contact us via https://help.positivegrid.com/hc/en-us/requests/new
Screenshots
Verdict
The clearest difference is price: Spark at Free against Guitar Note Atlas's $4.99. Spark also leads on ratings volume (25K vs 36) and update cadence (every 2 weeks vs every 2 months). Guitar Note Atlas's advantage is in-app purchases (none vs 1) and review sentiment (89% vs 55%). On rating, ads 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
Spark is free to download; Guitar Note Atlas costs $4.99 up front. Spark sells 1 one-off in-app purchase. Guitar Note Atlas asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.8 for Guitar Note Atlas against 4.8 for Spark. That said, the two scores are not equally well evidenced: Spark has 25K ratings behind it against 36, so its average is the more settled of the two. Written reviews are what separate them: 89% of Guitar Note Atlas's written reviews are positive against 55% of Spark's.
Guitar Note Atlas ships an update every 2 months, Spark every 2 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | Guitar Note Atlas | Spark |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.8 (36 ratings) | 4.8 (25K ratings) — better |
| Positive reviews | 88.9% of reviews — better | 55.0% of reviews |
| Number of ratings | 36 | 25K — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 45 MB | 562 MB |
| Age rating | 4+ | 17+ |
| Developer | Black Rabbits Apps LLC | Positive Grid Inc |
Customer experience
Guitar Note Atlas
Spark
Bugs and requests
Guitar Note Atlas
Not enough reviews yet to summarise bugs or requests.
Spark
Reported bugs
5 issues- App frequently disconnects from amp
- Tone selection issues and inconsistencies
- Sudden loud noises or feedback from amp
- Firmware update process is cumbersome
- Spotify integration not working as advertised
Requested features
6 requests- Add looping functionality
- Improve auto-chord detection and playback
- Allow more customization of signal chain and effects
- Integrate with more music services beyond Spotify
- Add EQ controls for Bluetooth speaker mode
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- Sync saved tones across devices
In-app purchases
Guitar Note Atlas
No in-app purchases
Spark
- Experience Jimi Hendrix™$19.99
Questions
Is Guitar Note Atlas free?
Is Spark free?
Which has better reviews, Guitar Note Atlas or Spark?
Do Guitar Note Atlas or Spark have ads?
Which is updated more often, Guitar Note Atlas or Spark?
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