# Audio Evolution Mobile Studio vs Sunday Keys

The clearest difference is price: Sunday Keys at Free against Audio Evolution Mobile Studio's $11.99. Sunday Keys also leads on in-app purchases (none vs 19) and rating (4.6 vs 4.2). Audio Evolution Mobile Studio's advantage is chart position (#25 vs unranked) and iOS requirement (12.0 vs 15.0). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Sunday Keys is free to download; Audio Evolution Mobile Studio costs $11.99 up front. Audio Evolution Mobile Studio sells 19 one-off in-app purchases. Sunday Keys asks for nothing beyond the download.

Sunday Keys holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 170 and 114 respectively. Written reviews point the same way: 66% of Audio Evolution Mobile Studio's written reviews are positive against 71% of Sunday Keys's.

Audio Evolution Mobile Studio ships an update every 2 weeks, Sunday Keys every 3 weeks. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Audio Evolution Mobile Studio | Sunday Keys |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | [4.2 (170 ratings)](https://appshunter.io/ios/app/audio-evolution-mobile-studio/id1094758623/reviews) | **[4.6 (114 ratings)](https://appshunter.io/ios/app/sunday-keys/id1615360535/reviews)** |
| Number of ratings | **170** | 114 |
| Positive reviews | 65.7% of reviews | **70.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#25** | — |
| Size | 181 MB | 201 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Davy Wentzler](https://appshunter.io/developer/1094758622) | [Loop Community](https://appshunter.io/developer/664688178) |

## What reviewers say

### Audio Evolution Mobile Studio

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

**Currently charting:** #25 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


### Sunday Keys

[App page](https://appshunter.io/ios/app/sunday-keys/id1615360535)

This app provides a comprehensive worship keyboard rig for iPad, allowing users to access and organize their sounds, patches, and setlists. It supports AUv3 instrument plugins and offers powerful audio and MIDI effects for live performance and service preparation.

**Highlights:** AUv3 instrument plugin hosting, Organized sound, patch, and setlist library, Touch-optimized interface, Powerful audio and MIDI effects, Tonic Pad Player for ambient pads, MIDI hardware and Bluetooth support

**In-app purchases:** none

**What reviewers like**

- ✨ High-quality sounds
- 👍 User-friendly interface
- 💡 Innovative AI patch builder
- 🤝 Helpful customer support
- 🚀 Seamless transitions

**What reviewers complain about**

- 💸 High price point
- ⏳ Annual license renewal
- 🤔 Complex registration process
- 🚫 Limited editing of song patches
- ⚠️ Inconsistent drone functionality

**Reported bugs**

- App crashing on iPad
- Drone not working reliably
- Core audio error on iPad
- Sound library installation issues
- App not running on older macOS versions

**Requested features**

- AUv3 plugin support for Logic Pro and GarageBand iOS
- Sampler/looper functionality
- Loop player
- MIDI monitor on main screen displaying chords
- Ability to use third-party plugins


## Frequently asked questions

### Is Audio Evolution Mobile Studio free?

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

### Is Sunday Keys free?

Sunday Keys is free to download, with no in-app purchases.

### Which has better reviews, Audio Evolution Mobile Studio or Sunday Keys?

Sunday Keys is rated higher. Audio Evolution Mobile Studio averages 4.2 out of 5 from 170 ratings, while Sunday Keys averages 4.6 from 114 ratings.

### Do Audio Evolution Mobile Studio or Sunday Keys have ads?

Neither Audio Evolution Mobile Studio nor Sunday Keys shows ads.

### Which is updated more often, Audio Evolution Mobile Studio or Sunday Keys?

Audio Evolution Mobile Studio ships an update every 2 weeks, and Sunday Keys every 3 weeks. Most recently, Audio Evolution Mobile Studio was updated on September 21, 2026 and Sunday Keys on September 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.*