# AmpliTube CS vs Spark

The clearest difference is update cadence: Spark at every 2 weeks against AmpliTube CS's every 4 months. Spark also leads on review sentiment (55% vs 31%) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. AmpliTube CS sells 17 one-off in-app purchases and Spark sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AmpliTube CS ships an update every 4 months, Spark every 2 weeks. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | AmpliTube CS | Spark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (25K ratings)](https://appshunter.io/ios/app/spark-chords-backing-tracks/id1457653921/reviews)** |
| Number of ratings | — | **25K** |
| Positive reviews | 30.9% of reviews | **55.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 753 MB | 562 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [IK Multimedia US, LLC](https://appshunter.io/developer/323694278) | [Positive Grid Inc](https://appshunter.io/developer/751979910) |

## What reviewers say

### AmpliTube CS

[App page](https://appshunter.io/ios/app/amplitube-cs/id373309342)

This app provides a mobile guitar and bass tone studio with a vast collection of virtual gear. Users can build custom rigs, practice, play, and record with professional-sounding tones anytime, anywhere. It offers expandable libraries of amps and effects for a personalized experience.

**Highlights:** Virtual guitar and bass rig builder, Extensive library of amps and effects, Live Mode for stage performance, 2-track recorder (expandable), Loop drummer module, Speed trainer, metronome, and tuner

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Distortion | $2.99 | one-time |
| Chorus | $3.99 | one-time |
| Wah | $3.99 | one-time |
| Overdrive | $3.99 | one-time |
| Reverb | $3.99 | one-time |
| Metal Distortion | $3.99 | one-time |
| Flanger | $3.99 | one-time |
| Octave | $3.99 | one-time |
| Envelope | $3.99 | one-time |
| Phazer | $3.99 | one-time |
| Fuzz | $3.99 | one-time |
| Clean amp | $4.99 | one-time |
| Metal amp | $4.99 | one-time |
| Bass amp | $4.99 | one-time |
| Crunch amp | $4.99 | one-time |
| Recorder + Master FX | $19.99 | one-time |
| Fender Collection 1 | $24.99 | one-time |

**What reviewers like**

- 🚀 Great for practice and recording
- 👍 Excellent amp and effect modeling
- 🎨 Vast selection of amps and pedals
- 🎛️ Intuitive and easy-to-use interface
- 💰 Good value for money

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🔇 Poor sound quality and latency
- 💰 Expensive in-app purchases
- 🔒 Purchases not transferable across devices
- 🤯 Confusing and cluttered UI

**Reported bugs**

- Compatibility issues with iOS 16
- Distorted and sped-up audio playback
- Metronome and tempo controls not working
- Purchases not restoring after reinstall
- Frequent crashes and freezes

**Requested features**

- Ability to import songs from music library
- Improved recording and looping capabilities
- More bass-focused amp and effect options
- Better integration with other music apps
- Grandfathered access to all purchases


### 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 AmpliTube CS free?

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

### Is Spark free?

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

### Do AmpliTube CS or Spark have ads?

Neither AmpliTube CS nor Spark shows ads.

### Which is updated more often, AmpliTube CS or Spark?

AmpliTube CS ships an update every 4 months, and Spark every 2 weeks. Most recently, AmpliTube CS was updated on October 17, 2026 and Spark on October 18, 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.*