TranceXY vs SLAP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TranceXY
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TranceXY is a trance synthesizer you play with your finger. Hold the pad, sweep across it, and the sound moves with you - the pitch glides without steps, the filter opens, the chords voice, the arpeggio accelerates. It is a theremin built for trance, on a touchscreen. THEREMIN MODE, BY DEFAULT The instrument opens in Theremin mode: one steady voice whose pitch you shape by hand across the pad's Y axis, quantised to the scale you choose or free to glide. Six more performance modes are a tap away - Note, Chord, Arp, Roll, Keys and Keys Chord - and the same finger movement plays leads, stacks chords, drives arpeggios or slides between notes. A FULL TRANCE ENGINE Under the pad: three oscillators with supersaw, a multimode filter, three LFOs, a noise source, sidechain ducking and a rhythmic trance gate, followed by nine effect pedals - distortion, chorus, flanger, phaser, delay, reverb, crush, OTT and gate. Eight performance knobs sit beside the pad for the moves you make while playing: cutoff, resonance, gate, pump, detune, delay, reverb and drive. PLAYS ANYWHERE Run it on its own, or load it as an AUv3 instrument inside GarageBand, AUM, Cubasis or any AUv3 host and record it straight into your track. REC captures your performance to WAV, AIFF or FLAC and shares it anywhere on your device. ALSO A CONTROLLER FOR THE MAC Switch it into controller mode and your iPhone or iPad becomes the XY surface for TranceXY on your Mac, over USB or Wi-Fi, with the pad, gain and all eight knobs mapped for you. FREE TO DOWNLOAD, WITH TRANCEXY PRO The download is free, and the free version is a complete instrument - every performance mode, every knob, every effect pedal, controller mode - together with the Uplifting Trance preset collection. TranceXY Pro is a one-time purchase, with no subscription, that unlocks all 773 presets across nine genres, every FX chain, REC and export, and saving your own presets. One purchase covers Mac, iPhone and iPad (Universal Purchase) and supports Family Sharing. Everyone who bought TranceXY while it was a paid app already has everything. - Theremin performance pad: stepless pitch, filters, chords and arpeggios from one gesture - 7 performance modes: Theremin, Note, Chord, Arp, Roll, Keys, Keys Chord - 3 oscillators with supersaw, multimode filter, 3 LFOs, noise, ducking, trance gate - 9 effect pedals with factory chains - 773 trance presets across 9 genres - Standalone and AUv3 - REC to WAV / AIFF / FLAC - Controller mode for TranceXY on Mac (USB or Wi-Fi)
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: TranceXY at none against SLAP's shown. TranceXY also leads on device support (3 vs 1). On price, update cadence, 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. TranceXY sells 1 one-off in-app purchase and SLAP sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
TranceXY ships an update every 8 days, SLAP weekly. Both last shipped on October 31, 2026.
| Parameter | TranceXY | SLAP |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (8 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 8 days | 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 | 53 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomocreate, Inc. | PATRICK H WALKER |
In-app purchases
TranceXY
- TranceXY Pro$14.99
SLAP
- SLAP Pro$1.99









