# CV Mod vs Hilda Synthesizer

The clearest difference is price: CV Mod at $1.99 against Hilda Synthesizer's $12.99. Hilda Synthesizer's advantage is update cadence (every 9 days vs every 3 weeks) and review sentiment (90% vs 80%). On ads, in-app purchases, monetization model and device support there is nothing between them.

CV Mod costs $1.99 and Hilda Synthesizer $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CV Mod ships an update every 3 weeks, Hilda Synthesizer every 9 days. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CV Mod | Hilda Synthesizer |
| --- | --- | --- |
| Price | **$1.99** | $12.99 |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/cv-mod/id1406207229/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 80.0% of reviews | **90.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Paid | Paid |
| Size | 19 MB | 6 MB |
| Requires iOS | **11.0** | 12 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Steven Connelly](https://appshunter.io/developer/1049373664) | [Bram Bos](https://appshunter.io/developer/325340444) |

## What reviewers say

### CV Mod

[App page](https://appshunter.io/ios/app/cv-mod/id1406207229)

This app provides two LFO/VCO oscillators for modular and semi-modular synthesizers. Connect your device's headphone output to your hardware to add modulation and sound sources. Create custom waveforms and control parameters via MIDI.

**Highlights:** 2 LFO/VCO oscillators, Custom drawable waveforms, MIDI CC control, Tempo sync, Envelope generators, XY pad control

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Hilda Synthesizer

[App page](https://appshunter.io/ios/app/hilda-synthesizer/id6447191659)

This app offers a complex oscillator monosynth with a blend of west-coast and east-coast synthesis techniques. It features a wave folder, lowpass gate, 12-mode filter, and VCA circuit, all meticulously circuit-modelled for authentic analog or digital sound. It functions as a playable synth, MIDI sequencer, and audio effect.

**Highlights:** Complex Oscillator Monosynth, Wave folder and lowpass gate, 12-mode filter, Circuit-modelled analog sound, Built-in 16-step MIDI Sequencer, Audio effect for external audio, AUv3 compatibility

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CV Mod free?

CV Mod costs $1.99, with no in-app purchases.

### Is Hilda Synthesizer free?

Hilda Synthesizer costs $12.99, with no in-app purchases.

### Do CV Mod or Hilda Synthesizer have ads?

Neither CV Mod nor Hilda Synthesizer shows ads.

### Which is updated more often, CV Mod or Hilda Synthesizer?

CV Mod ships an update every 3 weeks, and Hilda Synthesizer every 9 days. Most recently, CV Mod was updated on October 26, 2026 and Hilda Synthesizer on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*