# Harman Kardon One vs Marshall

The clearest difference is rating: Harman Kardon One at 4.8 against Marshall's 3.0. Harman Kardon One also leads on review sentiment (39% vs 14%) and ratings volume (1.1K vs 8). Marshall's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Harman Kardon One holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Harman Kardon One has 1.1K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 39% of Harman Kardon One's written reviews are positive against 14% of Marshall's.

Harman Kardon One ships an update every 3 months, Marshall every 3 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Harman Kardon One | Marshall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.1K ratings)](https://appshunter.io/ios/app/harman-kardon-one/id1626444106/reviews)** | [3.0 (8 ratings)](https://appshunter.io/ios/app/marshall/id6743308261/reviews) |
| Number of ratings | **1.1K** | 8 |
| Positive reviews | **39.0% of reviews** | 13.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 243 MB | 66 MB |
| Requires iOS | **16** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Harman International Industries](https://appshunter.io/developer/419840205) | [Marshall Group AB](https://appshunter.io/developer/592690279) |

## What reviewers say

### Harman Kardon One

[App page](https://appshunter.io/ios/app/harman-kardon-one/id1626444106)

Easily set up and control your Harman Kardon speakers and soundbars. Personalize EQ settings, lighting, and music playback. Stream music from integrated services and manage all your devices in one place.

**Highlights:** Step-by-step setup guidance, Customizable EQ settings, Personalize speaker lighting, Manage all connected devices, Integrated music player, Access music streaming services, Stereo pairing and multi-channel grouping

**In-app purchases:** none


### Marshall

[App page](https://appshunter.io/ios/app/marshall/id6743308261)

Customize your soundbar experience with personalized audio settings and room correction. Receive automatic updates to ensure your device is always up-to-date with the latest features and improvements.

**Highlights:** Personalized sound customization, Room correction for balanced audio, Adjustable sound modes, Over-the-air updates, Guided initial setup

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

**In-app purchases:** none


## Frequently asked questions

### Is Harman Kardon One free?

Harman Kardon One is free to download, with no in-app purchases.

### Is Marshall free?

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

### Which has better reviews, Harman Kardon One or Marshall?

Harman Kardon One is rated higher. Harman Kardon One averages 4.8 out of 5 from 1.1K ratings, while Marshall averages 3.0 from 8 ratings.

### Do Harman Kardon One or Marshall have ads?

Neither Harman Kardon One nor Marshall shows ads.

### Which is updated more often, Harman Kardon One or Marshall?

Harman Kardon One ships an update every 3 months, and Marshall every 3 weeks. Most recently, Harman Kardon One was updated on October 29, 2026 and Marshall on October 28, 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.*