The membership that lives in their pocket.

Every Gym Stack 360 plan ships with a polished app your members will actually open: check in with a QR code, book classes in two taps, chase streaks, refer friends — so your front desk can focus on people, not admin.

Good morning
Ready to train, Maria?
Scan to check in
Downtown · valid now
6:30PM HIIT Burn
Studio A · Coach Alex · 3 spots
12-day streak
Personal best — keep it up!
+240 pts
2PASSES Bring a friend
Guest passes left this month
Invite
Spot opened in Yoga Flow — you're in!7:45 PM · Studio B · auto-promoted
Frictionless visits

Check in and book in seconds.

Every tap your members don't need to make at the front desk is a minute your staff gets back. Members carry their personal QR and PIN, see live spot counts before they book, and when a full class opens up, the waitlist promotes them automatically — with a notification they'll thank you for.

  • Personal QR + PIN for sub-second check-in at every location
  • Class booking with live spot counts — no phone calls, no whiteboard
  • Waitlist auto-promotion with instant notifications when a spot opens
HIIT Burn · 6:30 PM
Studio A · 3 spots left
Booked
Yoga Flow · 7:45 PM
Studio B · class full
Waitlist #2
Spot opened in Yoga Flow
Auto-promoted from waitlist
You're in
Retention engine

Habits that keep them paying.

Members who feel progress don't cancel. Loyalty points stack with every visit, streaks turn showing up into a game they don't want to lose, and achievements give them a reason to come back tomorrow. Push notifications nudge at the right moment — not the annoying one.

  • Loyalty points earned on visits, bookings and referrals
  • Visit streaks & achievements that make consistency addictive
  • Push notifications they want — class reminders, streak saves, rewards
Maria · points to Gold760 / 1,000 pts
12-day streak · best: 1486%
Achievement: 50 visits43 / 50
Built-in growth

Growth built into the app.

Your happiest members are your cheapest acquisition channel. The app gives them a referral link with rewards on both sides, guest passes to bring a friend through the door, and full self-service for payments, plan changes and freeze requests — fewer front-desk calls, more new faces.

  • Referral program with rewards for referrer and friend alike
  • Guest invites & passes that turn workout buddies into leads
  • Membership self-service — payments, plan changes and freeze requests from the app
CVCarlos joined via your link
Referral reward unlocked
+500 pts
NMGuest pass sent to Nadia
Valid Saturday · Downtown
Invited
MLFreeze requested in-app
Jul 1 – Jul 15 · travel
Pending approval
Everything included

Member App capabilities, in full.

QR & PIN check-in

A personal QR code and backup PIN in every member's pocket — through the door in under a second.

Class booking & waitlists

Two-tap booking with live spot counts, and waitlists that promote members automatically when spots open.

Loyalty points & streaks

Points on every visit, streaks that gamify consistency, and achievements that keep members coming back.

Referral program

Shareable referral links with rewards on both sides — your best members recruiting the next ones.

Guest invites

Guest passes members send from the app — workout buddies walk in as guests and leave as leads.

Membership self-service

Payments, plan changes and freeze requests handled in-app — fewer calls for your front desk to field.

Give your members an app worth opening.

The member app is included with every plan — launch it with your first location, free for 14 days.

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