# PhyOSC vs Protein Aid

The clearest difference is update cadence: Protein Aid at every 3 weeks against PhyOSC's every 7 months. Protein Aid also leads on iOS requirement (13.0 vs 16.6). PhyOSC's advantage is monetization model (free vs freemium). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. PhyOSC sells 1 one-off in-app purchase and Protein Aid 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, Protein Aid every 3 weeks. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | PhyOSC | Protein Aid |
| --- | --- | --- |
| 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 | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 9 MB | 29 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masaru Suzuki](https://appshunter.io/developer/1214200807) | [HoobWorks](https://appshunter.io/developer/655853108) |

## 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 |


### Protein Aid

[App page](https://appshunter.io/ios/app/protein-aid/id6670319912)

This app helps users track their essential amino acid intake to ensure they meet daily protein requirements. It's ideal for vegans, vegetarians, athletes, and anyone curious about their protein consumption, offering tailored recommendations based on personal factors and dietary preferences.

**Highlights:** Essential amino acid tracking, Personalized RDI calculations, Dietary preference and allergy consideration, Food logging and analysis, Reliable source-based recommendations, Deficiency risk reduction

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Food Items | $2.99 | per month |


## Frequently asked questions

### Is PhyOSC free?

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

### Is Protein Aid free?

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

### Do PhyOSC or Protein Aid have ads?

Neither PhyOSC nor Protein Aid shows ads.

### Which is updated more often, PhyOSC or Protein Aid?

PhyOSC ships an update every 7 months, and Protein Aid every 3 weeks. Most recently, PhyOSC was updated on September 22, 2026 and Protein Aid on September 16, 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.*