Apps Like THIRTY • NINE for iPhone and iPad
THIRTY • NINE screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.

Mountainside Fitness App
SmartWeights Inc
Check class schedules and register for Peak
Check class schedules and locations. Add classes to calendar and register for Peak Performance sessions. Track workouts and set personal goals. Sync with devices. Manage membership details and access club resources.




CKO Member App
Club KO Franchise LLC
Book classes, track workouts, share activity data
Access class schedules and club updates. Book classes and purchase packages. Track fitness goals and share activity data via HealthKit. View social media content and receive club announcements.

The Atlantic Club
SmartWeights Inc
Access classes, programs, and events
Access and sign up for classes, programs, and events at , Tennis, and Milagro Spa. Update membership information. Sync nutrients and workout data via the Health on iPhone. Grant read and write access to health data.

Alpha | Fit Club
Alpha Performance LLC
Train and track workouts
Book classes and purchase packages quickly. Attend live or on-demand strength and cardio workouts. Track progress and connect with a supportive fitness community. Access expert-led training sessions and set personal goals.

Tejas Pickleball Club
PINGPOD INC
Play , connect with players, track
Manage court reservations and clinic sign-ups. Track player progress and access game schedules. Connect with other members to join matches or events. Receive notifications about upcoming activities and updates.



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.


bodē nyc 2.0
Geisler Young
Reserve classes and view schedules
Browse class schedules and register for sessions. View ongoing promotions. Reserve classes directly from your smartphone. Manage reservations and access event details. Sync with calendar for scheduling convenience.


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 .

BoxUnion Studio
BoxUnion Santa Monica LLC
Book classes and train with personal trainers
View and sign up for classes, access full-body boxing workouts anytime, update personal info directly, and sync class attendance or service bookings.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.