# LH Grey vs Synthesizer Sim

The clearest difference is rating: LH Grey at 5.0 against Synthesizer Sim's 4.3. LH Grey also leads on in-app purchases (none vs 3) and ads (none vs shown). Synthesizer Sim's advantage is ratings volume (15 vs 2). On price and device support there is nothing between them.

Both are free to download. Synthesizer Sim sells 3 in-app purchases, starting at $2.99 per month. LH Grey asks for nothing beyond the download.

LH Grey holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Synthesizer Sim has 15 ratings behind it against 2, so its average is the more settled of the two.

## The numbers

| Metric | LH Grey | Synthesizer Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lh-grey/id6478848911/reviews)** | [4.3 (15 ratings)](https://appshunter.io/ios/app/synthesizer-sim/id6740828486/reviews) |
| Number of ratings | 2 | **15** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 53 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [昊 刘](https://appshunter.io/developer/652348004) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## What reviewers say

### LH Grey

[App page](https://appshunter.io/ios/app/lh-grey/id6478848911)

This app offers a powerful analog synthesizer experience with two voltage-controlled oscillators and a classic filter section. Explore a range of high-quality effects like unison, chorus, reverb, and delay to sculpt unique sounds for your music.

**Highlights:** Two voltage-controlled oscillators (VCOs), Classic analog filter section, Unison, chorus, reverb, and delay effects, Intuitive and user-friendly interface, Focus on direct sound creation

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

**In-app purchases:** none


### Synthesizer Sim

[App page](https://appshunter.io/ios/app/synthesizer-sim/id6740828486)

This app transforms your device into a versatile music creation studio, offering a responsive synth keyboard and advanced sound design tools. Explore a wide range of sounds, record your performances, and share your music instantly. It supports MIDI input and includes rhythm tools for practice and live performance.

**Highlights:** Responsive synth keyboard, Advanced sound design engine, Built-in effects and modulation, MIDI keyboard support, Rhythm accompaniment and metronome, Performance recording and sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $14.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is LH Grey free?

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

### Is Synthesizer Sim free?

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

### Which has better reviews, LH Grey or Synthesizer Sim?

LH Grey is rated higher. LH Grey averages 5.0 out of 5 from 2 ratings, while Synthesizer Sim averages 4.3 from 15 ratings.

### Do LH Grey or Synthesizer Sim have ads?

Synthesizer Sim shows ads; LH Grey does not.

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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.*