Comparison

76477 Complex Sound Synth 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

76477 Complex Sound Synth

Create complex sound effects and music with a powerful synthesizer inspired by vintage hardware. Offers extensive modulation, noise generation, and customizable envelopes. Easily share your creations and control it with MIDI devices.

Highlights
  • Three oscillators with multiple wave types
  • Modulation capabilities for oscillators
  • Adjustable noise generator with filter
  • Configurable ADSR envelope
  • Unlimited sound effect generator boards
  • MIDI input support
  • Export/import sound effect boards
Features
Read full description

Synth 76477 is a powerful sound effects generator and synthesizer app, inspired by the famous SN76477 integrated circuit from the 1970s, but containing many enhancements. Features: • Three oscillators, each of which can produce a sine, triangle, sawtooth, or square wave • The outputs of two of the oscillators can be used to modulate the main oscillator • Frequency modulation can be linear or octave based • The duty cycle of the main oscillator can be adjusted in square wave mode • Noise generator, either analog or digital, with an adjustable low pass filter • Oscillator outputs can be mixed to the audio output • Fully configurable ADSR (Attack / Decay / Sustain / Release) envelope, linear or exponential • One shot mode available • Unlimited number of sound effect generator boards • User configurable array of sound effect generator buttons on each board, up to 50 on the iPhone and 150 on the iPad • Boards as well as individual generators can be exported and imported, and transferred to and from your computer via iTunes file sharing, making it easy to share with others Synth 76477 comes with a full set of sample sound generators, making it easy to understand how to use and configure them, and tap the full power of the app. Synth 76477 works with MIDI input devices (keyboards and controllers) in several interesting ways: If you plug a MIDI device into an iPad (via the USB Camera Connection Kit), Synth 76477 will automatically use it. You can plug several MIDI controllers in via a powered HUB, and Synth 76477 will use all of them. You can also use MIDI controllers over WiFi. Midi controllers can be used to trigger chip playback, or set the VCO frequency and volume. They can also be used in the chip editor to adjust the various settings. The app also supports Bluetooth audio devices. Visit the support page for step by step instructions on how to use the app: http://www.blackcatsystems.com/ipad/complex_sound_synthesizer_FAQ.html Buy your copy right now, and start generating your own sound effects in minutes.

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

76477 Complex Sound Synth4 screens
Pinkish Trombone4 screens

Verdict

The call

The clearest difference is review sentiment: Pinkish Trombone at 100% against 76477 Complex Sound Synth's 50%. Pinkish Trombone also leads on rating (5.0 vs 3.9) and update cadence (fortnightly vs every 3 months). 76477 Complex Sound Synth's advantage is price ($2.99 vs $4.99) and ratings volume (9 vs 2). On ads, in-app purchases, monetization model and device support 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

76477 Complex Sound Synth costs $2.99 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 3.9. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews point the same way: 50% of 76477 Complex Sound Synth's written reviews are positive against 100% of Pinkish Trombone's.

UpkeepUpdate frequency

76477 Complex Sound Synth ships an update every 3 months, Pinkish Trombone fortnightly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 4 level
76477 Complex Sound Synth versus Pinkish Trombone: the parameters behind the verdict, then further details
Parameter76477 Complex Sound SynthPinkish Trombone
Price$2.99 — better$4.99
Rating3.9 (9 ratings)5.0 (2 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings9 — better2
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size4 MB55 MB
Age rating4+4+
DeveloperBlack Cat SystemsAaron Meyers

Customer experience

76477 Complex Sound Synth

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews10 reviews
Positive50.0%
Neutral30.0%
Negative20.0%

Pinkish Trombone

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

In-app purchases

None

76477 Complex Sound Synth

No in-app purchases

None

Pinkish Trombone

No in-app purchases

Questions

Is 76477 Complex Sound Synth free?
76477 Complex Sound Synth costs $2.99, with no in-app purchases.
Is Pinkish Trombone free?
Pinkish Trombone costs $4.99, with no in-app purchases.
Which has better reviews, 76477 Complex Sound Synth or Pinkish Trombone?
Pinkish Trombone is rated higher. 76477 Complex Sound Synth averages 3.9 out of 5 from 9 ratings, while Pinkish Trombone averages 5.0 from 2 ratings.
Do 76477 Complex Sound Synth or Pinkish Trombone have ads?
Neither 76477 Complex Sound Synth nor Pinkish Trombone shows ads.
Which is updated more often, 76477 Complex Sound Synth or Pinkish Trombone?
76477 Complex Sound Synth ships an update every 3 months, and Pinkish Trombone fortnightly. Most recently, 76477 Complex Sound Synth was updated on October 23, 2026 and Pinkish Trombone on October 25, 2026.

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