Pinkish Trombone vs WBTRK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pinkish Trombone
This app is a studio-ready instrument for iOS, expanding on a classic web-based speech synthesizer. It offers multitouch playability with modulation options and automatable parameters, functioning as a standalone app or AUV3.
- Articulatory speech synthesizer
- Multitouch playability
- Modulation options
- Automatable parameters
- Standalone app
- AUV3 support
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Based on Neil Thapen's classic web-based interactive articulatory speech synthesizer, Pink Trombone, Pinkish expands the original into a studio-ready instrument for iOS. While staying faithful to the original's multitouch playability, Pinkish Trombone adds a suite of modulation options and automatable parameters that breath new life into that venerable vocal tract. Pinkish Trombone operates as a standalone app as well as an AUV3 so you can use it in any of your favorite iOS DAW apps. Apple Silicon macOS users can even use it in Ableton Live!
WBTRK
Create music on the go with a comprehensive mobile studio. Features a tracker grid, multiple sound engines, a sampler, and a mixer. Offers live performance mode and extensive effects for detailed sound shaping.
- Tracker grid for note input
- 21 sound engines and 450+ sounds
- Sampler with recording and editing
- Twelve-channel mixer
- Live performance mode
- AUv3 plug-in hosting
- MIDI and Ableton Link support
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WBTRK is a complete music studio in your pocket: a fast tracker grid, 21 sound engines, a library of over 450 ready-made sounds, drum kits, a sampler, per-note effects, a twelve-channel mixer, a live performance mode, plug-in hosting and MIDI. One purchase for iPhone, iPad and Mac. WRITE • PHRASES of 16 steps hold notes, chords, instrument, velocity and effects; they stack into CHAINS, and chains arrange into a twelve-channel SONG • Hold a cell and slide to set a note or a value — it plays as you go • Select, copy and paste cell by cell, transpose whole sections, and end a note exactly where you want with OFF • Every channel loops on its own and can run at its own tempo, locked to one clock • A hardware keyboard on iPad and Mac, a MIDI keyboard, or any Bluetooth game controller drives the whole tracker SOUND • Over 450 ready-made sounds sorted by what they are — drums, bass, keys, bells, plucked, strings, winds, voice, leads, pads, fx — each one a tap away from playing, all balanced to the same loudness. Save your own for any engine • DRUM KIT: ten drum slots in one instrument — eight built-in kits, or build your own from any sound or sample • Classic synths: pulse, saw, triangle, FM, noise, supersaw pad, sub, pluck, wavetable and the dual-oscillator MODX, plus DRUM, an analog drum voice • WOVEN, a macro-oscillator with 24 models and 96 classic DX7 patches; ROUND, a resonator for strings, bars and bells; MODAL for struck percussion • SAMPLER: record or import, chop at transients, stretch to the tempo, loop, reverse, round-robin • SPEECH sings your lyrics in English and Japanese; GRAIN turns any recording into clouds; DRONE, RESONATOR and TEXTURE build ambient beds • AUv3 hosting: play your instrument plug-ins and insert effect plug-ins on any channel SHAPE • 32 effects on any note: delays, reverbs up to thirty seconds, tempo-synced gate and autopan, retrigger, chorus, flanger, ring mod, wavefold, bitcrush, slides, vibrato, arps, FOGGY granular clouds and more • AUT automation morphs an instrument and its effect across the rows • RANDOM dice, tables for instant arpeggios, a groove editor per instrument, scale lock • A twelve-channel mixer with volume, pan, mute, solo and plug-in inserts PERFORM • LIVE MODE: launch phrases from six scenes on pads, quantized to the beat or the bar, and punch in delay and filters — or latch them CONNECT • MIDI in with step and live recording, MIDI out to hardware, MIDI clock and Ableton Link KEEP • Render to WAV (16 or 24 bit), stems and MIDI; share songs as files; your session autosaves • A lock-screen player with cover art in your theme • 28 themes — the studio look comes in dark and light and can follow your device — a theme editor, seven typefaces, hex numbers if you like • English and Japanese, and a demo song to start from Everything runs on your device. No account, no ads, no subscription, nothing collected.
Screenshots
Verdict
The clearest difference is update cadence: WBTRK at every 6 days against Pinkish Trombone's fortnightly. WBTRK also leads on chart position (#122 vs unranked) and price ($2.99 vs $4.99). On rating, review sentiment, ads and in-app purchases 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
Pinkish Trombone costs $4.99 and WBTRK $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Pinkish Trombone against 5.0 for WBTRK. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Pinkish Trombone ships an update fortnightly, WBTRK every 6 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | Pinkish Trombone | WBTRK |
|---|---|---|
| Price | $4.99 | $2.99 — better |
| Rating | 5.0 (2 ratings) | 5.0 (6 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 6 — better |
| Update frequency | Fortnightly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #122 — better |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 55 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Aaron Meyers | LASZLO DOBROVOLSZKI |
Customer experience
Pinkish Trombone
WBTRK
In-app purchases
Pinkish Trombone
No in-app purchases
WBTRK
No in-app purchases









