# SK-51 - Lofi Keyboard Sampler

> AUv3, Drums, MIDI & Toy Piano

Canonical page: [https://chrome-stats.com/d/id1388248180](https://chrome-stats.com/d/id1388248180)

## Overview

- **ID:** `id1388248180`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Fingerlab
- **Category:** Music
- **Rating:** 4.00 / 5 (106 ratings)
- **Version:** 4.2.3
- **Last updated:** 2026-06-05
- **First published:** 2019-03-09
- **Size:** 286 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/sk-51-lofi-keyboard-sampler/id1388248180)
- **Website:** [https://www.fingerlab.net/sk-51](https://www.fingerlab.net/sk-51)
- **Privacy policy:** [http://fingerlab.net/fingerlab-home/privacy](http://fingerlab.net/fingerlab-home/privacy)

## Description

SK-51 is an all-in-one keyboard inspired by the Casio SK-1 (and its SK-5 sibling), reviving the 80s lo-fi sampler vibe. It recreates sampling features with a true instrument library (Trumpet, Flute, Piano, Vibraphone, and more), four sampling slots, and a host of drum patterns, plus Casio VL-Tone-inspired tones for authentic retro flavor.

The free version includes 3 instruments, 14 drum kits, 4 sampling slots, 6 drum pads, a drum pitch-bend ribbon, a full mixer, MIDI, Audio Unit exposure, AudioBus & Inter-App Audio support, and Ableton Link. The full version (in-app purchase) unlocks 19 instruments, 14 drum kits, 21 demo patterns, 5 effects (TubeAmp, Phaser, Delay, Reverb, Compressor), and live recording.

## Rankings

- #139,638 — Overall

## Review summary

Overall, SK-51 is praised for its nostalgic Casio vibe, intuitive UI, and solid recording features, plus reasonable pricing and GarageBand usefulness. The main drawbacks are paywalls gating core features, stability issues and crashes during sampling, and unreliable output playback. When fully unlocked, many reviewers feel it’s worth the price, but frustration remains from not being able to test sampling before buying and from bug-related interruptions.

### Pros

- Nostalgic Casio SK-1 vibe with authentic retro sounds.
- Easy-to-use, classic and friendly UI (resizable).
- Strong recording/sampling capabilities that are a highlight.
- Affordable price and good value when fully upgraded.
- Good GarageBand compatibility and usefulness for GarageBand users.

### Cons

- Free version is largely useless due to paywalls; core features require purchase.
- Crashes and instability around sampling/recording, especially after upgrades.
- Output playback issues; sometimes samples don’t audible or playback is unreliable.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1388248180)