# LH Rubbing vs Polywave

The clearest difference is rating: Polywave at 4.7 against LH Rubbing's 4.2. Polywave also leads on update cadence (every 3 months vs every 26 months) and device support (4 vs 1). LH Rubbing's advantage is in-app purchases (none vs 1) and iOS requirement (9.3 vs 15.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Polywave sells 1 one-off in-app purchase. LH Rubbing asks for nothing beyond the download.

Polywave holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 19 and 34 respectively. Written reviews point the same way: 77% of LH Rubbing's written reviews are positive against 80% of Polywave's.

LH Rubbing ships an update every 26 months, Polywave every 3 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | LH Rubbing | Polywave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (19 ratings)](https://appshunter.io/ios/app/lh-rubbing/id652348001/reviews) | **[4.7 (34 ratings)](https://appshunter.io/ios/app/polywave-wavetable-synth/id1579538271/reviews)** |
| Number of ratings | 19 | **34** |
| Positive reviews | 76.9% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 44 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [昊 刘](https://appshunter.io/developer/652348004) | [Fingerlab](https://appshunter.io/developer/412786610) |

## 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


### Polywave

[App page](https://appshunter.io/ios/app/polywave-wavetable-synth/id1579538271)

Create unique, evolving sonic experiences with a novel wavetable sequencer inspired by vintage synths. Draw your own waveforms, explore a vast library, and connect to external keyboards or DAWs. Record your creations directly within the app.

**Highlights:** Wavetable sequencer, Custom waveform drawing, Expansive waveform library, 100+ factory presets, MIDI and Audio Unit support, Live recording module, 8-voice polyphony

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $11.99 | one-time |


## Frequently asked questions

### Is LH Rubbing free?

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

### Is Polywave free?

Polywave is free to download, with in-app purchases available.

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

Polywave is rated higher. LH Rubbing averages 4.2 out of 5 from 19 ratings, while Polywave averages 4.7 from 34 ratings.

### Do LH Rubbing or Polywave have ads?

Neither LH Rubbing nor Polywave shows ads.

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

LH Rubbing ships an update every 26 months, and Polywave every 3 months. Most recently, LH Rubbing was updated on October 23, 2026 and Polywave on October 23, 2026.

---

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