# AudioLayer vs KeyStage Lite

The clearest difference is price: KeyStage Lite at Free against AudioLayer's $12.99. KeyStage Lite also leads on in-app purchases (none vs 1). AudioLayer's advantage is rating (4.4 vs 4.0) and update cadence (fortnightly vs every 3 months). On review sentiment, ads and iOS requirement there is nothing between them.

KeyStage Lite is free to download; AudioLayer costs $12.99 up front. AudioLayer sells 1 one-off in-app purchase. KeyStage Lite asks for nothing beyond the download.

AudioLayer holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: AudioLayer has 179 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 56% of AudioLayer's written reviews are positive against 60% of KeyStage Lite's, so the app with the better star average is not the one people write more warmly about.

AudioLayer ships an update fortnightly, KeyStage Lite every 3 months. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | AudioLayer | KeyStage Lite |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[4.4 (179 ratings)](https://appshunter.io/ios/app/audiolayer/id1381478666/reviews)** | [4.0 (7 ratings)](https://appshunter.io/ios/app/keystage-lite/id1437899019/reviews) |
| Number of ratings | **179** | 7 |
| Positive reviews | 55.6% of reviews | **60.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 242 MB | 61 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [Ali Gokturk](https://appshunter.io/developer/1406132633) |

## What reviewers say

### AudioLayer

[App page](https://appshunter.io/ios/app/audiolayer/id1381478666)

This app is a powerful mobile multi-sampler for music production, offering advanced features for creating and manipulating complex instruments. It integrates seamlessly with iOS production environments and supports iCloud for easy collaboration and storage.

**Highlights:** Streaming Sample Engine (SSE), Hierarchical Layer and Zone editing, Seamless Instrument Switching (SIS), Integrated audio sample recorder, Auto Sampler for hardware synths, AUv3 AudioUnit integration, iCloud storage and collaboration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundFont Import | $3.99 | one-time |

**What reviewers like**

- 🎹 Powerful multi-layer sampling capabilities
- 📥 EXS24 and SFZ file import support
- 🎯 Round-robin functionality for realistic instruments
- ⚡ Efficient performance on older devices
- 🎚️ Comprehensive effects rack with quality sound

**What reviewers complain about**

- 🐛 Frequent crashes across multiple iOS versions
- ⚠️ Stability issues in AUM and other hosts
- 🔌 High CPU/DSP usage causing performance spikes
- 🔋 Battery drain and device heating
- ❌ Missing undo function

**Reported bugs**

- App crashes on startup (splash screen)
- Reverb and chorus effects cause sound to disappear
- Pitch resets to -24 after stopping Logic Pro playback
- Layer voice polyphony controls not working properly
- SFZ batch import distributes samples incorrectly across layers

**Requested features**

- Time-stretching/pitch-shifting capability
- Program Change MIDI support
- Undo/Redo functionality
- GigaSampler .gig library support
- Soundfont SF2 import (now paid feature)


### KeyStage Lite

[App page](https://appshunter.io/ios/app/keystage-lite/id1437899019)

This app acts as a master controller and audio mixer for keyboard players. It allows simultaneous control of multiple hardware and software instruments using various MIDI controllers. Organize songs into sections, customize instrument sounds, and manage MIDI mappings with advanced scripting capabilities.

**Highlights:** Control multiple MIDI controllers and instruments, Host AUv3 instruments and effects, Create complex keyboard splits and layers, Advanced MIDI mapping and scripting, Audio mixer with track control, Play and manage audio files, View PDF and JPG files

**In-app purchases:** none


## Frequently asked questions

### Is AudioLayer free?

AudioLayer costs $12.99, and also offers in-app purchases.

### Is KeyStage Lite free?

KeyStage Lite is free to download, with no in-app purchases.

### Which has better reviews, AudioLayer or KeyStage Lite?

AudioLayer is rated higher. AudioLayer averages 4.4 out of 5 from 179 ratings, while KeyStage Lite averages 4.0 from 7 ratings.

### Do AudioLayer or KeyStage Lite have ads?

Neither AudioLayer nor KeyStage Lite shows ads.

### Which is updated more often, AudioLayer or KeyStage Lite?

AudioLayer ships an update fortnightly, and KeyStage Lite every 3 months. Most recently, AudioLayer was updated on September 23, 2026 and KeyStage Lite on September 19, 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.*