# SampleTank CS vs Audio Evolution Mobile Studio

The clearest difference is price: SampleTank CS at Free against Audio Evolution Mobile Studio's $11.99. Audio Evolution Mobile Studio's advantage is rating (4.2 vs 3.1) and review sentiment (66% vs 29%). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

SampleTank CS is free to download; Audio Evolution Mobile Studio costs $11.99 up front. SampleTank CS sells 15 one-off in-app purchases and Audio Evolution Mobile Studio sells 19 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Audio Evolution Mobile Studio holds the better App Store score, 4.2 against 3.1. Both are backed by a comparable volume of ratings — 144 and 170 respectively. Written reviews point the same way: 29% of SampleTank CS's written reviews are positive against 66% of Audio Evolution Mobile Studio's.

SampleTank CS ships an update every 2 months, Audio Evolution Mobile Studio every 2 weeks. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | SampleTank CS | Audio Evolution Mobile Studio |
| --- | --- | --- |
| Price | **Free** | $11.99 |
| Rating | [3.1 (144 ratings)](https://appshunter.io/ios/app/sampletank-cs/id464775965/reviews) | **[4.2 (170 ratings)](https://appshunter.io/ios/app/audio-evolution-mobile-studio/id1094758623/reviews)** |
| Number of ratings | 144 | **170** |
| Positive reviews | 28.9% of reviews | **65.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#27** |
| Size | 1.5 GB | 181 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IK Multimedia US, LLC](https://appshunter.io/developer/323694278) | [Davy Wentzler](https://appshunter.io/developer/1094758622) |

## What reviewers say

### SampleTank CS

[App page](https://appshunter.io/ios/app/sampletank-cs/id464775965)

This professional mobile sound and groove workstation brings desktop-level virtual instrument power to your iPhone and iPad. It offers a vast array of world-class instruments and patterns for live performance and composition, with expandable sound libraries available for purchase.

**Highlights:** 23 free instruments in 16 categories, 8-part multitimbral sound module, Expandable sound library with 2300+ instruments, Over 1,200 melodic and rhythmic patterns, 8-track MIDI recorder with audio export, Intuitive interface and new sound engine, Song and Live environments

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Organ | $4.99 | one-time |
| Strings | $4.99 | one-time |
| Brass | $4.99 | one-time |
| Synth Leads | $4.99 | one-time |
| Synth Pads | $4.99 | one-time |
| Woodwinds | $4.99 | one-time |
| Acoustic Drums | $4.99 | one-time |
| Electric Piano | $7.99 | one-time |
| The Grid | $14.99 | one-time |
| Upgrade to SampleTank | $24.99 | one-time |
| Miroslav Philharmonik - Mobile Edition | $24.99 | one-time |
| Sample Moog - Mobile Edition | $24.99 | one-time |
| Sonik Synth - Mobile Edition | $24.99 | one-time |
| All Sounds | $64.99 | one-time |
| SampleTank PRO - All Sounds Pack | $64.99 | one-time |

**What reviewers like**

- 🚀 Great sound quality
- 👍 Easy to use
- 💡 Excellent for live performances

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔒 Issues with in-app purchases and restoring purchases
- 🔋 High memory usage
- 👎 Lack of updates and support

**Reported bugs**

- Incompatible with latest iOS versions
- MIDI issues and lack of device detection
- Purchased content not properly restored

**Requested features**

- Add AU/AUv3 support for better DAW integration
- Improve MIDI functionality and mapping
- Allow importing custom samples
- Enhance performance controls (e.g., pitch bend, modulation)


### Audio Evolution Mobile Studio

[App page](https://appshunter.io/ios/app/audio-evolution-mobile-studio/id1094758623)

**Currently charting:** #27 Top Paid · Music (US App Store)

This app is a portable multitrack audio and MIDI recording studio. It offers virtual instruments, pitch and time editing, real-time effects, and automation for creating music productions on the go.

**Highlights:** Multitrack audio recording and playback, MIDI sequencing with piano roll editor, Virtual instruments and Soundfont support, Real-time effects and flexible routing, Pitch and time editing for vocals, Non-linear editing with undo/redo, Export tracks as separate audio files

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Summer Trance sample pack | $0.99 | one-time |
| FX pack 1 | $1.99 | one-time |
| FX pack 2 (Graphic EQ) | $1.99 | one-time |
| ToneBoosters Compressor | $1.99 | one-time |
| ToneBoosters EQ | $1.99 | one-time |
| ToneBoosters Ferox | $1.99 | one-time |
| Classic Keyboards | $2.99 | one-time |
| Steinway Grand Piano | $2.99 | one-time |
| Ultra Trap sample pack | $3.99 | one-time |
| Toneboosters Reverb V4 | $4.99 | one-time |
| Toneboosters Compressor V4 | $4.99 | one-time |
| Vocal Tune | $4.99 | one-time |
| ToneBoosters FX pack 1 | $4.99 | one-time |
| Toneboosters EQ V4 | $4.99 | one-time |
| PRO (very old versions only) | $6.99 | one-time |
| Synth pack 1 | $9.99 | one-time |
| Synth pack 2 | $9.99 | one-time |
| Drum kit pack | $10.99 | one-time |
| Vocal Tune Studio | $12.99 | one-time |

**What reviewers like**

- 👍 Convenient and easy to use
- 🚀 Efficient workflow
- 💡 Powerful features for the price
- 🎨 Great sound quality
- 👍 Responsive developer support

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🔒 Confusing trial/purchase model
- 👎 Unintuitive user interface
- 🔋 High resource usage on older devices
- 👎 Missing key features compared to competitors

**Reported bugs**

- Undo function causes freezing
- MIDI files not importing correctly
- Audio sync issues when using external interfaces
- AU plugins not integrating smoothly

**Requested features**

- Add a global swing/groove track
- Improve MIDI editing capabilities
- Implement a more intuitive mixer layout
- Add support for MP3 export
- Integrate better with other iOS apps


## Frequently asked questions

### Is SampleTank CS free?

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

### Is Audio Evolution Mobile Studio free?

Audio Evolution Mobile Studio costs $11.99, and also offers in-app purchases.

### Which has better reviews, SampleTank CS or Audio Evolution Mobile Studio?

Audio Evolution Mobile Studio is rated higher. SampleTank CS averages 3.1 out of 5 from 144 ratings, while Audio Evolution Mobile Studio averages 4.2 from 170 ratings.

### Do SampleTank CS or Audio Evolution Mobile Studio have ads?

Neither SampleTank CS nor Audio Evolution Mobile Studio shows ads.

### Which is updated more often, SampleTank CS or Audio Evolution Mobile Studio?

SampleTank CS ships an update every 2 months, and Audio Evolution Mobile Studio every 2 weeks. Most recently, SampleTank CS was updated on September 24, 2026 and Audio Evolution Mobile Studio on September 21, 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.*