# iGrand Piano CS vs Audio Evolution Mobile Studio

The clearest difference is price: iGrand Piano CS at Free against Audio Evolution Mobile Studio's $11.99. Audio Evolution Mobile Studio's advantage is update cadence (every 2 weeks vs every 5 months) and rating (4.2 vs 3.9). On ads, in-app purchases, monetization model and device support there is nothing between them.

iGrand Piano CS is free to download; Audio Evolution Mobile Studio costs $11.99 up front. iGrand Piano CS sells 3 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 3.9. That said, the two scores are not equally well evidenced: Audio Evolution Mobile Studio has 170 ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 49% of iGrand Piano CS's written reviews are positive against 66% of Audio Evolution Mobile Studio's.

iGrand Piano CS ships an update every 5 months, Audio Evolution Mobile Studio every 2 weeks. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | iGrand Piano CS | Audio Evolution Mobile Studio |
| --- | --- | --- |
| Price | **Free** | $11.99 |
| Rating | [3.9 (26 ratings)](https://appshunter.io/ios/app/igrand-piano-cs/id570661170/reviews) | **[4.2 (170 ratings)](https://appshunter.io/ios/app/audio-evolution-mobile-studio/id1094758623/reviews)** |
| Number of ratings | 26 | **170** |
| Positive reviews | 49.4% of reviews | **65.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#47** |
| Size | 588 MB | 181 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, 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

### iGrand Piano CS

[App page](https://appshunter.io/ios/app/igrand-piano-cs/id570661170)

Experience concert-quality acoustic pianos with ultra-realistic sound and built-in recording. Edit and save custom variations, connect external keyboards, and compose or perform anywhere. Expand your library with additional instrument packs.

**Highlights:** Ultra-realistic acoustic pianos, Built-in recording (MIDI & Audio), Instrument editor with EQ and variations, External keyboard support (iRig), MIDI overdubbing and punch-in, Audiobus and Inter-App Audio support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Piano Expansion | $14.99 | one-time |
| Piano Expansion Pack 2 | $14.99 | one-time |
| Upgrade to Full | $19.99 | one-time |


### Audio Evolution Mobile Studio

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

**Currently charting:** #47 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 iGrand Piano CS free?

iGrand Piano 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, iGrand Piano CS or Audio Evolution Mobile Studio?

Audio Evolution Mobile Studio is rated higher. iGrand Piano CS averages 3.9 out of 5 from 26 ratings, while Audio Evolution Mobile Studio averages 4.2 from 170 ratings.

### Do iGrand Piano CS or Audio Evolution Mobile Studio have ads?

Neither iGrand Piano CS nor Audio Evolution Mobile Studio shows ads.

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

iGrand Piano CS ships an update every 5 months, and Audio Evolution Mobile Studio every 2 weeks. Most recently, iGrand Piano CS was updated on September 22, 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.*