Comparison

Zynth vs Neoharp

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

Neoharp

Features
Read full description

Official app for the Neoharp musical instrument. Fine-tune your sound across all three channels — Chord Buttons, Bass, and Tone Keys — with flexible, per-channel controls. Connect your Neoharp to your iPhone or iPad (via USB-C), open the app, and let your ideas flow. What you can do in the app: - Balance the volume of each channel with the built-in mixer. - Choose Chord Buttons behavior: play the chord tones on press, or switch harmony silently (no chord playback). - Disable/enable the Bass voice. - Set chord voicing and range: define the playable range, toggle inversions on or off, and choose the lowest reference note (note offset). - Toggle sustain on/off; connect an external pedal to control note sustain with your foot. And that’s not all — more features are coming in future updates! Requirements: - A Neoharp instrument is required for full functionality. Questions or feedback: neoharp@neoharp.com

Screenshots

Zynth4 screens
Neoharp4 screens

Verdict

The call

The clearest difference is iOS requirement: Neoharp at 13.0 against Zynth's 17.3. On price, ads, in-app purchases 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

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

Scorecard1 real difference · 9 level
Zynth versus Neoharp: the parameters behind the verdict, then further details
ParameterZynthNeoharp
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequency—Every 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.313.0 — better
Further details — not scored
Size19 MB79 MB
Age rating4+4+
DeveloperPhilipp OllmannNeoharp L.L.C-FZ

In-app purchases

None

Zynth

No in-app purchases

None

Neoharp

No in-app purchases

Questions

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

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