Apps Like Retro Flex for iPhone and iPad
Retro Flex screenshots
Ranked alternatives
Showing 101–120 of 1,000 ranked alternatives.






Memorial Athletic Clubs
SmartWeights Inc
Check in, track goals, register for classes
Check in to the club, register for classes, and track fitness goals. Sync workout and nutrient data with the Health . View club updates and manage membership features.



HCI Sports and Fitness
HCI SPORTS AND FITNESS LLC
Check in, track workouts, access memberships
Check in using a digital barcode for gym access. Book, cancel, and join studio and AIM classes. Track workout sessions and schedule future sessions. Access locker rooms and cardio areas through the .


Reaction Test Pro
SAMUEL B HEATHER
Play mini-games and track times
Measure times with mini-games like Race Lights-Out and Whack-a-dot. Track progress and compete globally via Game Center. Challenge friends and view leaderboards. Adjust difficulty settings and customize game modes.

Corpus Christi Athletic Club
SmartWeights Inc
View programs, update info, check in quickly
Manage membership details, update personal information, and view account history. Store and check in with a digital membership card. Register for programs, browse schedules, and access statements. Sync workout and nutrient data via the Health .

Peak Health & Wellness MSLA
SmartWeights Inc
Track workouts, schedule classes, access coaching resources
Access and sync workout and nutrient data with the . View classes and court sports schedules. Book personal training sessions and receive nutritional guidance. Track progress with integrated data.


GLUTECLUB Amarillo
GLUTECLUB LLC
Plan and schedule strength classes
Plan and schedule fitness classes. View class schedules. Access membership accounts to update information, check-in history, and manage account details. Track workout attendance and membership status.





Flex Your Feminine
Kayla Harrington
Get personalized workouts and meal plans
Create personalized workout and meal plans based on fitness goals. Log daily exercises and meals, track progress with check-ins, sync with fitness bands and health kits. Receive real-time updates and reminders for consistency.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.