SUS4 Drum Pad vs SLAP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SUS4 Drum Pad
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Sixteen pads. 25 kits. Build the groove. A drum pad and beat maker with a 16-step drum machine sequencer and a live looper. Twenty-five kits from acoustic to lo-fi and trap. Export your beats as audio files. SUS4 Drum Pad is a sample-based drum pad with a 16-step pattern sequencer and a live looper. Sixteen velocity-sensitive pads give you hands-on control for live playing; the sequencer lets you programme patterns with precision; and the looper lets you layer grooves in real time and record the result. 25 kits cover a wide range — acoustic, electronic, hip-hop, Latin, brushed jazz, and more. Each pad has individual level and pan, so the mix is in your hands. Export patterns to your DAW when you have something worth developing. • 16 velocity-sensitive pads • 25 kits: acoustic, electronic, hip-hop, Latin, brushed jazz, and more • 16-step pattern sequencer for programmed beats • Live looper — layer grooves in real time • Individual pad level and pan • Subscribe monthly, or unlock the full SUS4 suite forever: all 25 kits, the 16-step pattern sequencer, live looper, and unlimited patterns All audio runs on-device. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SLAP
Capture everyday sounds and transform them into music. Record, trim, and arrange your own audio samples on responsive pads to create unique beats and songs. Unlock advanced features and unlimited kits through in-app purchases or by watching rewarded ads.
- Record and import audio samples
- Non-destructive sample trimming
- Adjust sample volume, pitch, and speed
- Create and arrange patterns into songs
- Nine responsive playable pads
- Export and import custom kits
- Apply audio effects with Pro version
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Your world is full of sounds. SLAP turns them into beats. Record a clap, tap a desk, snap a pencil, or capture something wonderfully weird. Drop each sound onto a colorful pad, trim it until it hits just right, and start playing. SLAP stands for Sample, Loop, Arrange, Play—a focused beat-making flow that stays fun instead of feeling like homework. MAKE IT YOURS • Record sounds with your iPhone microphone • Import audio you already have • Trim samples non-destructively with detailed waveform controls • Adjust volume, pitch, and speed • Choose whether repeated hits restart or overlap • Name and customize every pad BUILD A BEAT • Play nine responsive pads • Capture taps into simple one-bar patterns • Switch between four patterns • Arrange patterns into an eight-bar song • Record a live performance or export your arranged song • Export and import kits to share them START FAST, THEN GET WEIRD Factory kits give you a quick starting point, but SLAP is built around sounds that are yours. Create three custom kits free, then watch optional rewarded ads to unlock up to three additional kit slots. GO FURTHER WITH SLAP PRO Unlock SLAP Pro with one purchase—no subscription. • Create unlimited custom kits • Save and reuse favorites with Your Sounds • Chop one recording of up to 30 seconds into an entire kit • Shape pads with Echo, Space, Crush, Wobble, Tone, and Reverse effects No account required. Your samples, kits, songs, and recordings stay on your iPhone unless you choose to export or share them.
Screenshots
Verdict
The clearest difference is ads: SUS4 Drum Pad at none against SLAP's shown. SUS4 Drum Pad also leads on device support (3 vs 1). SLAP's advantage is update cadence (weekly vs every 3 weeks). On price, in-app purchases and iOS requirement 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. SUS4 Drum Pad sells 1 in-app purchase, starting at $0.99 per month and SLAP sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
SUS4 Drum Pad ships an update every 3 weeks, SLAP weekly. Both last shipped on October 2, 2026.
| Parameter | SUS4 Drum Pad | SLAP |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (8 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, Mac — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | ThePaulSmith | PATRICK H WALKER |
In-app purchases
SUS4 Drum Pad
- SUS4 Drum Pad Pro Monthly$0.991 Month
SLAP
- SLAP Pro$1.99









