# heart/work vs PhyOSC

The clearest difference is rating: heart/work at 4.0 against PhyOSC's 3.0. heart/work also leads on iOS requirement (11.0 vs 16.6). PhyOSC's advantage is monetization model (free vs free with in-app purchases). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. heart/work sells 1 one-off in-app purchase and PhyOSC sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

heart/work holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

heart/work ships an update every 5 months, PhyOSC every 7 months. The most recent releases landed on June 1, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | heart/work | PhyOSC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/heartwork/id1380764163/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/phyosc/id1597684430/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 29 MB | 9 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Moritz Philip Recke](https://appshunter.io/developer/309299142) | [Masaru Suzuki](https://appshunter.io/developer/1214200807) |

## What reviewers say

### heart/work

[App page](https://appshunter.io/ios/app/heartwork/id1380764163)

This app generates unique artwork based on your health data, including heart rate, steps, and environmental factors. It uses meditative breathing exercises and personal preferences to create layered visuals, offering a novel way to visualize wellbeing.

**Highlights:** Generates art from health data, Uses heart rate and steps, Incorporates environmental data, Meditative breathing exercises, Customizable art parameters, Integrates with HealthKit

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Interaction | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is heart/work free?

heart/work is free to download, with in-app purchases available.

### Is PhyOSC free?

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

### Which has better reviews, heart/work or PhyOSC?

heart/work is rated higher. heart/work averages 4.0 out of 5 from 3 ratings, while PhyOSC averages 3.0 from 2 ratings.

### Do heart/work or PhyOSC have ads?

Neither heart/work nor PhyOSC shows ads.

### Which is updated more often, heart/work or PhyOSC?

heart/work ships an update every 5 months, and PhyOSC every 7 months. Most recently, heart/work was updated on June 1, 2026 and PhyOSC on September 7, 2026.

---

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