Comparison

FOÜ Center vs PrO2+

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

Head to head
About

FOÜ Center

Easily plan and book fitness classes and sessions around your schedule. Manage your memberships, update your profile, and track workout progress. Receive important notifications from your gym directly within the app.

Highlights
  • View class timetable in real time
  • Book classes and sessions
  • Manage bookings and make changes
  • Update profile information
  • Receive gym notifications
  • Track workout progress
Features
Read full description

Now it's easier than ever to plan your sessions alongside your schedule. Book classes & sessions on the go, keep your profile up to date and manage your memberships all within the app. View Class Timetable: Easily view your gym's full timetable in real time. You can see who's running the class, whether the class is full and quickly secure your spot with the push of a button. Manage Your Bookings: Schedule a session or book into a Class. You can check in on future bookings and make any changes as needed. Update your Profile: Keep your contact information up to date and choose your own profile photo. Notifications: Receive push notifications from your gym to alert you of upcoming bookings and other club events. View a full history of these communications in app so you never forget an important message. Workout & Measurements: View your workout regime and conveniently track the progression towards your body goals.

About

PrO2+

This app connects to respiratory muscle trainer devices to measure and improve breathing strength. It's designed for individuals looking to enhance respiratory performance through guided training sessions. Consult a physician if you have respiratory health conditions before use.

Highlights
  • Respiratory muscle training
  • Breathing strength assessment
  • Resisted breathing measurements
  • Performance improvement tracking
  • Device connectivity
Features
Read full description

This is the companion app for the PrO2 Respiratory Muscle Trainer products. The PrO2 devices are used to assess and improve respiratory strength and performance through resisted breathing measurements and training. Individuals who are not in good health or have any respiratory related medical condition should consult their physician before using PrO2. This PrO2 device and apps are classified as Class II medical devices that are exempt from premarket notification requirements under regulations of the U.S. Food and Drug Administration (FDA). The manufacturer is registered with the FDA and the device is listed in accordance with applicable U.S. regulatory requirements. For regions outside the US, refer to local guidance for the use of the PrO2 device for medical purposes. The PrO2 devices are FCC approved (2AX05-PRO2FIT) and CE registered.

Screenshots

FOÜ Center3 screens
PrO2+4 screens

Verdict

The call

The clearest difference is iOS requirement: FOÜ Center at 12.0 against PrO2+'s 17.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for FOÜ Center against 5.0 for PrO2+. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 8 level
FOÜ Center versus PrO2+: the parameters behind the verdict, then further details
ParameterFOÜ CenterPrO2+
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size96 MB6 MB
Age rating4+4+
DeveloperTreshna EnterprisesPrO2HEALTH

Customer experience

FOÜ Center

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

PrO2+

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

FOÜ Center

No in-app purchases

None

PrO2+

No in-app purchases

Questions

Is FOÜ Center free?
FOÜ Center is free to download, with no in-app purchases.
Is PrO2+ free?
PrO2+ is free to download, with no in-app purchases.
Which has better reviews, FOÜ Center or PrO2+?
FOÜ Center and PrO2+ are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do FOÜ Center or PrO2+ have ads?
Neither FOÜ Center nor PrO2+ shows ads.
Which is updated more often, FOÜ Center or PrO2+?
FOÜ Center ships an update every 3 weeks, and PrO2+ every 3 weeks. Most recently, FOÜ Center was updated on October 4, 2026 and PrO2+ on October 6, 2026.

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