# C19 vs StudioFlow

The clearest difference is update cadence: C19 at every 9 days against StudioFlow's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. C19 sells 5 in-app purchases, starting at $2.99 per month and StudioFlow sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

C19 ships an update every 9 days, StudioFlow every 2 months. The most recent releases landed on June 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | C19 | StudioFlow |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 43 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ELAROS 247 LIMITED](https://appshunter.io/developer/1544802505) | [Trevor Sweetnam](https://appshunter.io/developer/1808167847) |

## What reviewers say

### C19

[App page](https://appshunter.io/ios/app/c19-yrs/id1558489041)

This NHS-approved application allows clinical teams and universities to manage patient conditions remotely, conduct research, and access support resources. Public-facing versions offer optional subscription services for enhanced features.

**Highlights:** Remote condition management, Clinical service integration, University research participation, Public-facing applications, Optional subscription services, Health and wellbeing resources

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MEA-CAT Self Reporting | $2.99 | per month |
| C19-YRS Self Reporting | $2.99 | per month |
| Self-Reporting Subscription | $2.99 | per year |
| MEA-CAT Self Reporting | $19.99 | per year |
| C19-YRS Self Reporting | $19.99 | per year |


### StudioFlow

[App page](https://appshunter.io/ios/app/studioflow/id6752293586)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Top Up 10 | $8.99 | one-time |
| Top Up 20 | $17.99 | one-time |
| Top Up 50 | $44.99 | one-time |


## Frequently asked questions

### Is C19 free?

C19 is free to download, with in-app purchases available.

### Is StudioFlow free?

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

### Do C19 or StudioFlow have ads?

Neither C19 nor StudioFlow shows ads.

### Which is updated more often, C19 or StudioFlow?

C19 ships an update every 9 days, and StudioFlow every 2 months. Most recently, C19 was updated on June 4, 2026 and StudioFlow on September 10, 2026.

---

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