Comparison

Zynth vs Touchophone

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

Head to head
About

Zynth

This app transforms your device into an expressive electronic instrument. Create unique soundscapes using touch, tilt, and motion with an intuitive interface. It offers multiple waveforms, built-in effects, and dynamic visualizations.

Highlights
  • Gesture-based sound control
  • Multiple waveforms (sine, square, triangle, sawtooth)
  • Built-in audio effects (echo, pitch, modulation)
  • Dynamic visualization
  • Customizable themes
  • Beginner-friendly and advanced options
Features
Read full description

Transform your device into an expressive electronic instrument that responds to touch, tilt, and motion. Create hypnotic soundscapes with an intuitive interface inspired by the theremin and modern synthesis techniques. Features: - Gesture-based sound control with responsive visual feedback - Multiple waveforms: sine, square, triangle, and sawtooth - Built-in audio effects including echo, pitch, and modulation - Dynamic visualization that moves with your music - Dark and light themes with customizable color palettes - Simple enough for beginners, deep enough for experienced musicians - Create and perform anywhere - no external equipment needed Perfect for: - Musicians seeking a new creative tool - Sound designers and experimenters - Visual artists exploring audio - Anyone interested in music creation Download now and start your sonic journey! This app was my submission to the Swift Student Challenge 2025.

About

Touchophone

Features
Read full description

Touchophone turns your screen into a synthesizer. Touch the keys, twist the knobs, and see what happens. It's the kind of instrument you pick up and never want to put down. Play a melody. Stack notes into chords. Crank the filter. Add some delay and let it echo into space. There are no rules — just sounds waiting to be discovered. WHAT'S INSIDE - A 2-octave chromatic keyboard you play with your fingers - 4 notes at once — hold chords, play melodies - Sub-oscillators to fatten up your sound - A filter knob that goes from warm to screamy - Delay that repeats and fades like an echo in a tunnel - An LFO that wobbles everything in the best way - Envelope controls to shape how notes start and fade EXPRESSION STRIP - Bend notes up and down - Sweep the filter with your finger (wah!) - Add vibrato for extra flavor THE SMALL STUFF - Play with multiple fingers at once - Slide between keys - Use the expression strip while holding notes - Works on iPhone and iPad - No ads. No subscriptions. No account. Just sounds.

Screenshots

Zynth4 screens
Touchophone4 screens

Verdict

The call

Zynth and Touchophone are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Zynth versus Touchophone: the parameters behind the verdict, then further details
ParameterZynthTouchophone
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequency—Daily
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.316.0 — better
Further details — not scored
Size19 MB3 MB
Age rating4+4+
DeveloperPhilipp OllmannNovavision SARL

In-app purchases

None

Zynth

No in-app purchases

None

Touchophone

No in-app purchases

Questions

Is Zynth free?
Zynth is free to download, with no in-app purchases.
Is Touchophone free?
Touchophone is free to download, with no in-app purchases.
Do Zynth or Touchophone have ads?
Neither Zynth nor Touchophone shows ads.

Other comparisons