TAIL Sampler vs SL Knock
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
TAIL Sampler
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TAIL Sampler turns your phone into a fast, hands-on sampler and beatmaking instrument. Record a sound, chop it, map it across pads and play it back instantly โ no complicated setup, no lag. Built on a low-latency audio engine, TAIL Sampler is made for spontaneous ideas: capture a sample the moment inspiration hits and start playing straight away. WHY TAIL SAMPLER โข Ultra-low latency โ play in real time with a tight, responsive feel. โข Record anything โ sample your voice, an instrument, or any sound around you. โข Play your way โ trigger samples from the on-screen pads or an external MIDI controller. โข Made for mobile โ a clean, focused interface designed for one-handed, on-the-go creation. โข Runs in the background โ keep your sound playing while you switch apps. FOR EVERY KIND OF MAKER Whether you're sketching a beat on the train, capturing a field recording, or performing live, TAIL Sampler keeps the workflow simple so you can stay in the creative flow. โข Beatmakers โ build grooves from your own one-shots and loops. โข Producers โ capture raw ideas anywhere and refine them later. โข Sound designers โ record and reshape real-world audio. โข Performers โ trigger samples live with MIDI. GET STARTED IN SECONDS 1. Record or import a sound. 2. Assign it to a pad. 3. Play, layer and jam. TAIL Sampler is designed to get out of your way. Fewer menus, more music. Download TAIL Sampler and start turning sounds into songs today.
SL Knock
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SL Knock is a focused AUv3 dynamics and tone effect for adding punch, body and controlled low-end weight to drums, samples and loops. โข Fast controls for impact and body โข Tone shaping for tighter or heavier character โข Mix control for parallel processing โข Factory presets and local user presets โข AUv3 support for compatible iPad music hosts Works as a standalone preview app and as an AUv3 effect in GarageBand, AUM, Cubasis, BeatMaker 3 and other compatible hosts.
Screenshots
Verdict
The clearest difference is price: TAIL Sampler at $3.99 against SL Knock's $6.99. On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
TAIL Sampler costs $3.99 and SL Knock $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TAIL Sampler ships an update every 5 days, SL Knock weekly. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.
| Parameter | TAIL Sampler | SL Knock |
|---|---|---|
| Price | $3.99 โ better | $6.99 |
| Update frequency | Every 5 days โ better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 16.3 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 5 MB | 28 MB |
| Age rating | 17+ | 4+ |
| Developer | Solid Grid Systems GmbH | VIACHESLAV ZHILTSOV |
In-app purchases
TAIL Sampler
No in-app purchases
SL Knock
No in-app purchases
Questions
Is TAIL Sampler free?
Is SL Knock free?
Do TAIL Sampler or SL Knock have ads?
Which is updated more often, TAIL Sampler or SL Knock?
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