# PhyOSC vs DreamKnock

The clearest difference is update cadence: DreamKnock at daily against PhyOSC's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PhyOSC sells 1 one-off in-app purchase and DreamKnock sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

PhyOSC ships an update every 7 months, DreamKnock daily. The most recent releases landed on September 7, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | PhyOSC | DreamKnock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/phyosc/id1597684430/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Daily** |
| Monetization | Free | — |
| Size | 9 MB | 2 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Masaru Suzuki](https://appshunter.io/developer/1214200807) | [俊杰 沈](https://appshunter.io/developer/6788593617) |

## What reviewers say

### PhyOSC

[App page](https://appshunter.io/ios/app/phyosc/id1597684430)

This app uses Apple Watch data to control sound based on your body movements. It converts sensor data and arm movements into OSC messages for DAWs, allowing for dynamic soundscapes during exercise. Customize filters and settings for varied audio expressions.

**Highlights:** Receives Core Motion data from Apple Watch, Converts sensor data to OSC messages, Supports 12 types of arm movements, Applies digital filters to data, Saves and recalls filtered settings, Switches DAW devices via settings

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $0.99 | one-time |


### DreamKnock

[App page](https://appshunter.io/ios/app/dreamknock/id6788598907)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DreamKnock Pro (Monthly) | $2.99 | per month |


## Frequently asked questions

### Is PhyOSC free?

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

### Is DreamKnock free?

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

### Do PhyOSC or DreamKnock have ads?

Neither PhyOSC nor DreamKnock shows ads.

### Which is updated more often, PhyOSC or DreamKnock?

PhyOSC ships an update every 7 months, and DreamKnock daily. Most recently, PhyOSC was updated on September 7, 2026 and DreamKnock on September 14, 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.*