Comparison

C19 vs StudioFlow

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

C19

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
Read full description

Download and get started with the NHS-approved C19-YRS app, as featured on BBC News. The C19-YRS app can be configured by clinical teams as part of a clinical service, by Universities for research, or used independently through our public-facing applications. Our clinical version of the app is intended for patients registered at a clinical service which has invited them to download the app to manage their condition remotely, complete assessments, and access support resources to improve their health and wellbeing, according to the individual service’s purpose. The app may also be used for research studies who register participants onto the app to take part in projects. If you are using the app as part of a service or project, a member of staff will provide users with their login details or instructions on how to sign up for the app. Please contact a member of staff at your service or project team for support if you get stuck. We have two public facing apps as of 2025: 1 Autonom-e+ in collaboration with University of Leeds. This is free to register and comes with an optional subscription service. 2 The ME Clinical Assessment Toolkit in collaboration with ME Association. This is free to register and comes with an optional subscription service. Auto-renewable subscription options for our public apps: 1 month (Β£2.99) duration 1 year (Β£19.99) duration Your subscription will be charged to your Apple App Store account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period Current subscriptions may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your App Store Account Settings after purchase. Privacy Policy: https://c19-yrs.com/legal/privacy-policy End User Licence Agreement: https://c19-yrs.com/legal/end-user-licence-agreement/

About

StudioFlow

Features
Read full description

StudioFlow is the admin app for independent fitness instructors. Not big gyms β€” solo instructors and small studios who'd rather be teaching than buried in spreadsheets. Schedule classes, manage clients, track attendance, and send bulk reminders β€” all from your phone. Pay as you go. No monthly fees. No subscriptions. Ever. What you can do with StudioFlow: β†’ Set up class schedules with terms, weekly timetables, and pricing in minutes β†’ Manage your full client list β€” import contacts, send intake forms, scan paper forms with AI β†’ Track attendance for drop-ins, term bookings, and class packs β†’ Send bulk SMS, email, or WhatsApp reminders to any group of clients in seconds β†’ Share a live public class schedule β€” link it from your website or Instagram bio β†’ Track revenue and client purchase history without touching a spreadsheet β†’ Let clients self-register via QR code signup forms Β  Ask Claude or ChatGPT about your studio StudioFlow connects to Claude and ChatGPT via MCP. Ask about your attendance, create classes, or message clients β€” all in plain English, without opening the app. Pricing that scales with you: Pay per client, per term. Free credits when you sign up. If you take a month off, you pay nothing. "I used to spend Sunday evenings chasing payments and updating spreadsheets. StudioFlow handles all of it β€” I just teach." β€” Cathy, Pilates Instructor

Screenshots

C194 screens
StudioFlow4 screens

Verdict

The call

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.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference Β· 7 level
C19 versus StudioFlow: the parameters behind the verdict, then further details
ParameterC19StudioFlow
PriceFreeFree
Positive reviews25.0% of reviewsβ€”
Update frequencyEvery 9 days β€” betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 β€” better15.1
Further details β€” not scored
Size33 MB43 MB
Age rating4+4+
DeveloperELAROS 247 LIMITEDTrevor Sweetnam

In-app purchases

5 purchases

C19

Subscriptions5
  • MEA-CAT Self Reporting$2.991 Month
  • C19-YRS Self Reporting$2.991 Month
  • Self-Reporting Subscription$2.991 Year
Show 2 more
  • MEA-CAT Self Reporting$19.991 Year
  • C19-YRS Self Reporting$19.991 Year
3 purchases

StudioFlow

One-time3
  • Top Up 10$8.99
  • Top Up 20$17.99
  • Top Up 50$44.99

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.

Other comparisons