Best apps like Three15

31+ similar apps compared and reviewed

4.3 avg rating
10 free apps
Updated September 2026

Whether you want more options like Three15 or a completely different take on the same concept, our curated list of 31+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Three15

Battle Republic#1

Battle Republic by Battle Republic One, LLC

Editor's Choice
💪 Health & Fitness
5.0(368 ratings)
Free
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Experience a high-intensity boxing-inspired fitness class that blends HIIT and strength training. Enjoy a unique atmosphere with dynamic lighting and motivating music, suitable for all fitness levels. Get a full mind and body workout with provided equipment.

X4 FIT#2

X4 FIT by X⁴, LLC

The Perfect Fitness Formula!
Strong Contender
💪 Health & Fitness
5.0(215 ratings)
Free
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This app facilitates booking and managing fitness classes at a boutique gym. It offers efficient, full-body functional workouts with on-screen demos and varied routines. Members can easily register, book classes, and purchase memberships or retail items.

More apps like Three15

4
L.A. Bikini
L.A. Bikini
L.A. Bikini
by LAB Holding Company, LLC
Free

This app simplifies managing hair removal appointments with a specialized technique designed for skin health. It allows users to easily book, modify, and cancel appointments, set reminders, and manage their accounts digitally. Go paperless and provide feedback directly through the app.

Book, modify, and cancel appointmentsAppointment remindersPaperless account management
💪 Health & Fitness
(2)
free
5
YMCA of Greater Birmingham
YMCA of Greater Birmingham
YMCA of Greater Birmingham
by Young Men's Christian Association of Birmingham, Inc.
Free

Stay informed about organizational news and announcements for your selected YMCA location. Easily access daily schedules, filter classes, and receive push notifications. Store barcodes for quick check-ins.

Organizational news and announcementsDaily class schedulesClass filtering
💪 Health & Fitness
(43)
free
6
ChipRewards
ChipRewards
ChipRewards
by ChipRewards, Inc.
Free

This app helps you earn rewards by tracking your health and fitness activities. Connect with your health incentive program to view and complete incentives, check your balance, and redeem rewards. It monitors steps, active minutes, and calories burned by integrating with your device's health data.

Earn rewards on the goConnect to health incentive programView and complete incentives
💪 Health & Fitness
(30)
ad-supported
7
24e Health Clubs
24e Health Clubs
24e Health Clubs
by SmartWeights Inc
Free

This app provides access to gym amenities, class schedules, personal training, and facility information. It allows users to manage their membership, book courts, and explore offerings like a smoothie bar and aquatics.

24/7 accessGroup fitness class schedulesPersonal training booking
💪 Health & Fitness
(115)
free
8
The Fitzgerald Pilates & Barre
The Fitzgerald Pilates & Barre
The Fitzgerald Pilates & Barre
by The Fitzgerald, Inc
Free

Easily book and manage your Pilates and Barre classes. Purchase class packs, view schedules, reserve equipment, and join waitlists. Stay updated with notifications and connect on social media.

Book classes and class packsView class scheduleReserve equipment
💪 Health & Fitness
(2)
free with in-app purchases
9
VibePittsburgh
VibePittsburgh
VibePittsburgh
by VIBEsalon LLC
Free

Easily schedule and manage your salon appointments directly from your mobile device. View stylist availability, access ongoing promotions, and find location and contact details. Optimize your time and enjoy the convenience of booking on the go.

Schedule appointmentsView stylist schedulesSee ongoing promotions
💪 Health & Fitness
(6)
free
10
pūrvelo cycle
pūrvelo cycle
pūrvelo cycle
health and fitness
Free

Experience a music-driven indoor cycling workout that combines streamlined choreography with epic beat drops for a dance party on a bike. Join a supportive fitness community with both in-studio and online class options.

Music-driven workoutsStreamlined choreographyCommunity focused
💪 Health & Fitness
(213)
ad-supported