os vs jAmpler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
os
Create unique sounds by dragging your finger across the screen. This application offers a simple yet engaging way to explore audio textures and generate music.
- Interactive sound generation
- Finger-based control
- Unique audio textures
- Simple interface
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os is a sound machine. Drag your finger across the screen to make dope sounds.
jAmpler
Record, import, and manipulate audio samples with a versatile instrument plugin. Create unique sounds using granular synthesis and a wide array of effects. Assign samples to a keyboard for intuitive musical performance.
- Record and import audio samples
- Assign samples to keyboard keys
- Granular synthesis controls
- Extensive per-sample editing
- Global effects suite
- Adjustable velocity curve and temperament
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jAmpler is a sample-based instrument plugin for iOS and macOS, designed as an Audio Unit v3 (AUv3) instrument. It enables you to record, import, assign, and manipulate samples with a rich set of controls and global effects — all accessible in a compact, intuitive interface. Features: * 4 banks, each with 8 samples. * Each sample is represented by a unique color. * Record samples directly using your device’s built-in microphone. * Import audio files to use as samples. * Assign samples to keyboard keys using their color codes. * Detailed controls per sample: - Copy, paste, and trim samples. - ADSR envelope (Attack, Decay, Sustain, Release). - Crossfade and crossfade overlap for seamless looping. - Octave shifting and drive/distortion. - Filter and pitch shift options. - Granular synthesis controls (wet, density, size, spray, stereo spread, window shape). * Global effects: - Velocity Controlled Filter. - Low Frequency Oscillator. - Compressor. - Distortion. - Equalizer. - Chorus. - Cabinet. - Reverb. * Adjustable velocity curve and keyboard temperament.
Screenshots
Verdict
The clearest difference is in-app purchases: os at none against jAmpler's 1. os also leads on review sentiment (79% vs 60%) and ratings volume (27 vs 6). jAmpler's advantage is device support (4 vs 2). On price, rating and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. jAmpler sells 1 one-off in-app purchase. os asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.2 for os against 4.2 for jAmpler. Both are backed by a comparable volume of ratings — 27 and 6 respectively. Written reviews are what separate them: 79% of os's written reviews are positive against 60% of jAmpler's.
| Parameter | os | jAmpler |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (27 ratings) | 4.2 (6 ratings) |
| Positive reviews | 79.2% of reviews — better | 60.0% of reviews |
| Number of ratings | 27 — better | 6 |
| Update frequency | — | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 10.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 24 MB | 1.4 GB |
| Age rating | 4+ | 4+ |
| Developer | Coda Labs Incorporated | Jan Maes |
Customer experience
os
jAmpler
In-app purchases
os
No in-app purchases
jAmpler
- jAmpler Activation$7.99
