# Guitar Note Atlas vs Spark

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.

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 8, 2026 respectively.

## The numbers

| Metric | Guitar Note Atlas | Spark |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.8 (36 ratings)](https://appshunter.io/ios/app/guitar-note-atlas/id971847390/reviews) | **[4.8 (25K ratings)](https://appshunter.io/ios/app/spark-chords-backing-tracks/id1457653921/reviews)** |
| Number of ratings | 36 | **25K** |
| Positive reviews | **88.9% of reviews** | 55.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 45 MB | 562 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Black Rabbits Apps LLC](https://appshunter.io/developer/971847389) | [Positive Grid Inc](https://appshunter.io/developer/751979910) |

## What reviewers say

### Guitar Note Atlas

[App page](https://appshunter.io/ios/app/guitar-note-atlas/id971847390)

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.

**Highlights:** Interactive fretboard map, Scale visualization (Major, Melodic Minor, etc.), Customizable note selection, Multiple scale positions, Bass guitar mode, Left-hand mode, Scale degree numbers

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Spark

[App page](https://appshunter.io/ios/app/spark-chords-backing-tracks/id1457653921)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Experience Jimi Hendrix™ | $19.99 | one-time |

**What reviewers like**

- 🚀 Versatile, powerful, and full of features
- 👍 Great sound quality and tone options
- 🎨 Impressive amp and effects modeling
- 💡 Useful smart jam and play-along features
- 🎸 Excellent for practice and jamming

**What reviewers complain about**

- 🐛 Connectivity and pairing issues with app
- 🐛 Buggy app with crashes and glitches
- 🔍 Difficult to organize and find saved tones
- 🔊 Muddy or harsh tones at times
- 🔋 Battery life could be better

**Reported bugs**

- 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**

- 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


## Frequently asked questions

### Is Guitar Note Atlas free?

Guitar Note Atlas costs $4.99, with no in-app purchases.

### Is Spark free?

Spark is free to download, with in-app purchases available.

### Which has better reviews, Guitar Note Atlas or Spark?

Spark is rated higher. Guitar Note Atlas averages 4.8 out of 5 from 36 ratings, while Spark averages 4.8 from 25K ratings.

### Do Guitar Note Atlas or Spark have ads?

Neither Guitar Note Atlas nor Spark shows ads.

### Which is updated more often, Guitar Note Atlas or Spark?

Guitar Note Atlas ships an update every 2 months, and Spark every 2 weeks. Most recently, Guitar Note Atlas was updated on November 1, 2026 and Spark on November 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*