# LH Rubbing vs Oscidia

The clearest difference is price: LH Rubbing at Free against Oscidia's $14.99. LH Rubbing also leads on iOS requirement (9.3 vs 13). Oscidia's advantage is rating (5.0 vs 4.2) and update cadence (monthly vs every 26 months). On ratings volume, ads and in-app purchases there is nothing between them.

LH Rubbing is free to download; Oscidia costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Oscidia holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 19 and 11 respectively. Written reviews point the same way: 77% of LH Rubbing's written reviews are positive against 88% of Oscidia's.

LH Rubbing ships an update every 26 months, Oscidia monthly. The most recent releases landed on June 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | LH Rubbing | Oscidia |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [4.2 (19 ratings)](https://appshunter.io/ios/app/lh-rubbing/id652348001/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/oscidia/id6748944379/reviews)** |
| Number of ratings | **19** | 11 |
| Positive reviews | 76.9% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Monthly** |
| Monetization | **Free** | Paid |
| Size | 12 MB | 168 MB |
| Requires iOS | **9.3** | 13 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [昊 刘](https://appshunter.io/developer/652348004) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### LH Rubbing

[App page](https://appshunter.io/ios/app/lh-rubbing/id652348001)

This virtual analog synthesizer app for iPad offers a rich, analog sound. It features multiple oscillators, filters, and LFOs for extensive sound shaping. Control pitch, cutoff, and resonance with an ADSR envelope and add vibrato with keyboard interaction.

**Highlights:** Polyphony synthesizer, Three wave oscillators, One noise oscillator, Two LFOs, Three type embedded filter, ADSR envelope generator, Keyboard vibrato control

**Features:** macOS Compatibility

**In-app purchases:** none


### Oscidia

[App page](https://appshunter.io/ios/app/oscidia/id6748944379)

This powerful synthesizer app allows iOS users to create a vast array of sounds using multiple oscillators, wavetable synthesis, and advanced modulation options. It features a versatile sequencer with independent arpeggiators and built-in effects for complex sound design.

**Highlights:** 3 Oscillators Per Voice, Wavetable & Additive Synthesis, Morphing & Warping Wavetables, 5 Morphable Filter Types, 3 Independent Arpeggiators, Mod Matrix, Internal Effects Suite

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

**In-app purchases:** none


## Frequently asked questions

### Is LH Rubbing free?

LH Rubbing is free to download, with no in-app purchases.

### Is Oscidia free?

Oscidia costs $14.99, with no in-app purchases.

### Which has better reviews, LH Rubbing or Oscidia?

Oscidia is rated higher. LH Rubbing averages 4.2 out of 5 from 19 ratings, while Oscidia averages 5.0 from 11 ratings.

### Do LH Rubbing or Oscidia have ads?

Neither LH Rubbing nor Oscidia shows ads.

### Which is updated more often, LH Rubbing or Oscidia?

LH Rubbing ships an update every 26 months, and Oscidia monthly. Most recently, LH Rubbing was updated on June 6, 2026 and Oscidia on September 21, 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.*