# Beat Kitchen Harmonic Synth vs HeadStack

The clearest difference is price: Beat Kitchen Harmonic Synth at Free against HeadStack's $12.99. Beat Kitchen Harmonic Synth also leads on update cadence (every 3 days vs every 9 days). HeadStack's advantage is in-app purchases (none vs 1) and iOS requirement (14 vs 16.0). On rating, review sentiment, ratings volume and ads there is nothing between them.

Beat Kitchen Harmonic Synth is free to download; HeadStack costs $12.99 up front. Beat Kitchen Harmonic Synth sells 1 one-off in-app purchase. HeadStack asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Beat Kitchen Harmonic Synth against 4.8 for HeadStack. Both are backed by a comparable volume of ratings — 12 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Beat Kitchen Harmonic Synth ships an update every 3 days, HeadStack every 9 days. Both last shipped on October 12, 2026.

## The numbers

| Metric | Beat Kitchen Harmonic Synth | HeadStack |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | [4.8 (12 ratings)](https://appshunter.io/ios/app/beat-kitchen-harmonic-synth/id6780983442/reviews) | [4.8 (5 ratings)](https://appshunter.io/ios/app/headstack/id6781611375/reviews) |
| Number of ratings | **12** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 60 MB | 25 MB |
| Requires iOS | 16.0 | **14** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beat Kitchen LLC](https://appshunter.io/developer/6778482300) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### 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 |


### HeadStack

[App page](https://appshunter.io/ios/app/headstack/id6781611375)

This app offers a virtual tape loop with 8 independently configurable playback heads for creating diverse echo effects. It captures the warmth of classic tape machines while offering modern flexibility for sound design, from vintage echoes to evolving ambient textures.

**Highlights:** Multi-head tape engine with 8 playback heads, Vintage tape character and imperfections, Independent control for each playback head, Rotating head wheel for dynamic effects, Granular harmony engine for pitch-shifted textures, Per-head modulation and creative feedback routing, Diffusion and smearing for atmospheric washes

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

**In-app purchases:** none


## Frequently asked questions

### Is Beat Kitchen Harmonic Synth free?

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

### Is HeadStack free?

HeadStack costs $12.99, with no in-app purchases.

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

Beat Kitchen Harmonic Synth and HeadStack are both rated 4.8 out of 5 on the App Store, from 12 and 5 ratings respectively.

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

Neither Beat Kitchen Harmonic Synth nor HeadStack shows ads.

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

Beat Kitchen Harmonic Synth ships an update every 3 days, and HeadStack every 9 days. Most recently, Beat Kitchen Harmonic Synth was updated on October 12, 2026 and HeadStack on October 12, 2026.

---

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