Comparison

OscDrax vs Pinkish Trombone

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OscDrax

Create unique sounds by drawing waveforms with your finger. This app allows you to combine four independent tracks for complex soundscapes, offering professional controls for detailed sound design.

Highlights
  • Draw custom waveforms
  • 4-track multi-timbral synthesis
  • High-resolution waveform editor
  • Adjustable frequency range (20Hz-20kHz)
  • Portamento effect
  • Individual track volume control
Features
Read full description

Your Fingertips Create New Sounds OscDrax is an innovative iOS waveform synthesizer that enables professional sound design through intuitive touch controls. Simply draw waveforms with your finger to instantly create original tones. Combine four independent tracks to build complex, rich soundscapes. Unleash Creativity with the Waveform Editor Our waveform drawing system maximizes the potential of touchscreen technology. With 512-point high resolution, accurately reproduce any waveform you imagine. Classic waveforms like sine, triangle, square, and sawtooth are also available at a single tap. Designed for everyone from beginners to professionals. 4-Track Multi-Timbral Synthesis Each track operates completely independently with its own waveform, frequency, and volume settings. Layer multiple tracks simultaneously to create thick, complex tones impossible with a single oscillator. Professional Controls Frequency Adjustment (20Hz-20kHz) Full coverage of human hearing range. Logarithmic scale slider provides musically natural control from bass to treble. Portamento Function (0-1000ms) Smooth glide effect between pitches. Faithfully reproduces the warm expression of analog synthesizers. Individual Volume Control Fine-tune each track's volume from 0-100%. Achieve ideal balance with precision mixing.

About

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.

Highlights
  • Articulatory speech synthesizer
  • Multitouch playability
  • Modulation options
  • Automatable parameters
  • Standalone app
  • AUV3 support
Features
Read full description

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!

Screenshots

OscDrax1 screens
Pinkish Trombone4 screens

Verdict

The call

The clearest difference is rating: Pinkish Trombone at 5.0 against OscDrax's 4.0. OscDrax's advantage is update cadence (daily vs fortnightly) and price ($0.49 vs $4.99). On review sentiment, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

OscDrax costs $0.49 and Pinkish Trombone $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Pinkish Trombone holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

OscDrax ships an update daily, Pinkish Trombone fortnightly. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
OscDrax versus Pinkish Trombone: the parameters behind the verdict, then further details
ParameterOscDraxPinkish Trombone
Price$0.49 — better$4.99
Rating4.0 (1 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings12 — better
Update frequencyDaily — betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size1 MB55 MB
Age rating4+4+
DeveloperJunpei WadaAaron Meyers

Customer experience

OscDrax

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Pinkish Trombone

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OscDrax

No in-app purchases

None

Pinkish Trombone

No in-app purchases

Questions

Is OscDrax free?
OscDrax costs $0.49, with no in-app purchases.
Is Pinkish Trombone free?
Pinkish Trombone costs $4.99, with no in-app purchases.
Which has better reviews, OscDrax or Pinkish Trombone?
Pinkish Trombone is rated higher. OscDrax averages 4.0 out of 5 from 1 ratings, while Pinkish Trombone averages 5.0 from 2 ratings.
Do OscDrax or Pinkish Trombone have ads?
Neither OscDrax nor Pinkish Trombone shows ads.
Which is updated more often, OscDrax or Pinkish Trombone?
OscDrax ships an update daily, and Pinkish Trombone fortnightly. Most recently, OscDrax was updated on October 21, 2026 and Pinkish Trombone on October 25, 2026.

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