# Quartz vs Beat Kitchen Harmonic Synth

The clearest difference is monetization model: Quartz at free against Beat Kitchen Harmonic Synth's free with in-app purchases. Beat Kitchen Harmonic Synth's advantage is iOS requirement (16.0 vs 18.4). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Quartz sells 8 in-app purchases, starting at $1.99 per month and Beat Kitchen Harmonic Synth sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Quartz holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 20 and 12 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Quartz ships an update every 5 days, Beat Kitchen Harmonic Synth every 3 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Quartz | Beat Kitchen Harmonic Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (20 ratings)](https://appshunter.io/ios/app/quartz-pro-audio-recording/id6771161042/reviews)** | [4.8 (12 ratings)](https://appshunter.io/ios/app/beat-kitchen-harmonic-synth/id6780983442/reviews) |
| Number of ratings | **20** | 12 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 60 MB |
| Requires iOS | 18.4 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Made by Windmill, LLC](https://appshunter.io/developer/1257590914) | [Beat Kitchen LLC](https://appshunter.io/developer/6778482300) |

## What reviewers say

### Quartz

[App page](https://appshunter.io/ios/app/quartz-pro-audio-recording/id6771161042)

Transform your iPhone into a professional audio studio for voice and music recording. Offers advanced features like AI-powered EQ and noise reduction, non-destructive editing, and speech transcription in over 50 languages.

**Highlights:** Pro audio recording studio on iPhone, AI-powered Magic EQ, Neural-based noise reduction, Speech transcription (50+ languages), Non-destructive audio editing, Customizable presets

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Monthly Subscription | $3.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Yearly Subscription | $19.99 | per year |
| One time purchase | $14.99 | one-time |
| One time purchase | $19.99 | one-time |
| One time purchase | $34.99 | one-time |
| One time purchase | $39.99 | one-time |


### Beat Kitchen Harmonic Synth

[App page](https://appshunter.io/ios/app/beat-kitchen-harmonic-synth/id6780983442)

Shape the overtone series directly to create unique sounds. This additive synthesizer allows real-time manipulation of harmonics, LFOs, and envelopes. Explore sound design and synthesis on your device.

**Highlights:** Additive synthesis engine, Overtone series shaping, Live waveform and spectrum response, Modulation matrix with LFOs and envelopes, AUv3 support, On-device processing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $14.99 | one-time |


## Frequently asked questions

### Is Quartz free?

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

### Is Beat Kitchen Harmonic Synth free?

Beat Kitchen Harmonic Synth is free to download, with in-app purchases available.

### Which has better reviews, Quartz or Beat Kitchen Harmonic Synth?

Quartz is rated higher. Quartz averages 5.0 out of 5 from 20 ratings, while Beat Kitchen Harmonic Synth averages 4.8 from 12 ratings.

### Do Quartz or Beat Kitchen Harmonic Synth have ads?

Neither Quartz nor Beat Kitchen Harmonic Synth shows ads.

### Which is updated more often, Quartz or Beat Kitchen Harmonic Synth?

Quartz ships an update every 5 days, and Beat Kitchen Harmonic Synth every 3 days. Most recently, Quartz was updated on November 7, 2026 and Beat Kitchen Harmonic Synth on October 31, 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.*