Every module, explained

Multi-tenant architecture. Each studio gets its own subdomain, branding, and configuration. Everything is isolated — one studio never sees another's data.

• +Custom subdomain (slug.unstack.co.uk)
• +White-label branding per studio
• +Per-studio module enablement
• +1 more

Magic link login and Google OAuth for parents. Role-based access for admins and instructors. No passwords to forget, no shared logins.

• +Magic link (passwordless)
• +Google OAuth
• +Admin / Instructor / Client roles
• +1 more

Stripe Connect integration. Each studio connects their own Stripe account and collects payments directly — Unstack charges a small platform fee per transaction.

• +Stripe Connect OAuth
• +Platform fee tracking
• +First £100 of fees waived
• +1 more

Transactional email delivery via Resend. Booking confirmations, invitations, reminders — all styled with your studio's branding.

• +Resend integration
• +Studio-branded templates
• +Booking confirmation
• +1 more

SMS and WhatsApp delivery via Plivo. Shared platform number with claim-code routing means studios get SMS without managing their own number.

• +SMS delivery
• +WhatsApp messaging
• +Shared inbound number
• +1 more

Immutable audit trail of all admin actions. Who did what, when, and to which record. Filterable, paginated, and exportable.

• +Per-studio audit trail
• +Action + admin tracking
• +Filterable + paginated
• +1 more

Revenue charts, attendance tracking, client growth curves, and CSV exports — with a date range filter so you can see any period, not just the last 6 months.

• +Revenue chart (gross + refunds)
• +Attendance trend
• +Client acquisition chart
• +3 more

Per-studio configuration hub. Branding, notification defaults, embed tokens, module enablement, and team management — all in one place.

• +Studio branding config
• +Module enablement
• +Notification defaults
• +1 more

6-step setup wizard that gets a studio from signup to first booking. Studio info → DPA acceptance → preset selection → Stripe Connect → branding → invite your team.

• +6-step wizard
• +Preset selection
• +Stripe Connect setup
• +2 more

The core booking engine. Session slots, capacity management, eligibility checking, and the booking status lifecycle from hold through to attended.

• +1:1 session booking
• +Capacity checking
• +Eligibility engine
• +2 more

Private session slots with instructor assignment, tier-based pricing, and self-service or admin-managed availability windows.

• +Recurring slots
• +Instructor assignment
• +Tier-based pricing
• +1 more

Group class templates with recurring schedules and live capacity. Family swims, assessments, reformer classes, HIIT — any format where multiple clients share a slot.

• +Class templates
• +Recurring schedules
• +Capacity management
• +2 more

Sequential waitlist with automatic promotion. Parents are notified when a spot opens and given a 4-hour window to claim it before the next person is offered.

• +Sequential positions
• +Auto-promotion
• +Email + SMS notification
• +1 more

When a slot is cancelled, it enters a timed pool. All eligible families are notified simultaneously — first to claim wins. Via SMS reply (YES-CODE) or parent portal.

• +Atomic Redis claim
• +SMS claim (YES-CODE reply)
• +4-hour claim window
• +1 more

Set recurring and one-off studio closures. Sessions on those dates are automatically skipped and parents notified — no manual cancellation required.

• +Recurring holidays
• +One-off closure dates
• +Auto-skip sessions
• +1 more

Attendance tracking for instructors. Mark attended or no-show with one tap from the instructor portal. Feeds directly into analytics.

• +Daily register view
• +Quick attendance toggle
• +No-show tracking
• +1 more

Self-service or admin-managed availability windows. In self-service mode, instructors submit their windows and admins approve before they feed the scheduling engine.

• +Self-service mode
• +Admin approval flow
• +Week-view calendar
• +1 more

Instructor profiles with bios, specialisms, photo, and tier assignment. Invite instructors via email — they accept and gain access to their instructor portal.

• +Instructor profiles
• +Tier assignment
• +Bio + specialisms
• +2 more

One parent login, multiple children. Family accounts group profiles under a single billing relationship — parents book for specific children, not just themselves.

• +Family grouping
• +Multi-child management
• +Shared billing contact
• +1 more

Extended profiles for each child. Date of birth, medical notes, allergies, swimming ability, skill level, and current award scheme stage.

• +Date of birth
• +Medical notes
• +Allergy tracking
• +2 more

Configurable instructor tiers that control per-session pricing, SEN permissions, and medical record access. Define your own tier names and rank ordering.

• +Custom tier names
• +Per-tier pricing
• +Rank ordering
• +1 more

Structured special educational needs and medical flag catalogue — per-studio configurable. Not a text field: specific, categorised flags that instructors can actually act on.

• +Custom SEN flags
• +Category grouping
• +Per-studio catalogue
• +2 more

Child profile review queue for admin. When a new child profile is submitted, it sits in the queue until approved. Admins can suggest a tier assignment.

• +Pending review queue
• +Approve / reject
• +Tier suggestion
• +2 more

Internal staff notes on child profiles. Versioned history, visible in the instructor pre-session card. Parents don't see staff notes.

• +Staff-only visibility
• +Version history
• +Pre-session card view
• +1 more

Configurable skill progressions for your discipline. Swimming levels, water safety stages, strength categories — define your own progression ladder.

• +Custom level names
• +Ranked ordering
• +Per-studio configuration
• +1 more

Build multi-stage award programmes that mirror your curriculum. Define stages, criteria, and badges. Instructors mark stages complete; parents see progress in real time.

• +Custom stages + criteria
• +Instructor sign-off
• +Parent portal progress view
• +1 more

Per-child progress tracking across award schemes. Timeline view shows parents every stage completed, who signed it off, and when.

• +Scheme tracking
• +Stage progression
• +Timeline view
• +2 more

Post-session notes from instructors. Progress updates, achievements, areas to improve. Parents can see non-private notes from their portal.

• +Post-session note form
• +Public + private notes
• +Progress milestones
• +1 more

PDF certificate generation when a child completes an award stage. Studio-branded, stored securely in R2, and available as a signed download from the parent portal.

• +PDF generation
• +Studio branding
• +R2 cloud storage
• +1 more

Invoice generation and tracking. Payment history, receipt emails via Resend, and access to the Stripe Customer Portal for clients to manage their own payment methods.

• +Invoice history
• +Receipt emails
• +Stripe Customer Portal
• +1 more

Pre-purchased session bundles. Buy 5, 10, or 20 sessions at a discounted rate. Balance is tracked and deducted automatically on each booking.

• +Bulk session purchase
• +Usage + balance tracking
• +Auto-deduction on booking
• +1 more

Flat monthly subscriptions via Stripe Bacs. Designed for swim schools on a 50-week year — spread evenly across 12 equal monthly payments.

• +Stripe Bacs
• +Flat monthly payments
• +50-week year spreading
• +2 more

Session price is determined by the assigned instructor tier at the time of booking. Different instructors charge different rates automatically.

• +Tier-based session rates
• +Booking-time price lock
• +Per-instructor configuration
• +1 more

Automatic discount for the second and subsequent children in the same family. Configurable rate per studio — no manual discount codes needed.

• +Auto-detection via family account
• +Configurable discount rate
• +Per-studio setting
• +1 more

Flat-rate pricing for home-educated children that overrides the standard tier pricing. Flag a child as home-educated in their profile and the rate applies automatically.

• +Flat rate override
• +Per-child flag
• +Admin configuration
• +1 more

Configurable notification preferences per notification type. Parents control what they receive and how — email, SMS, and WhatsApp toggles per category.

• +Per-type toggles
• +Email / SMS / WhatsApp
• +Studio-set defaults
• +1 more

Send messages to groups of parents via email and SMS simultaneously. Filter recipients by attendance, class, skill level, or send to everyone.

• +Email + SMS channels
• +Recipient filters
• +Attendance-based targeting
• +2 more

Add-to-calendar links automatically included in every booking confirmation. Google Calendar, Apple Calendar, and Outlook — no client setup required.

• +Google Calendar
• +Apple Calendar
• +Outlook / iCal
• +1 more

Auto-generate a video call link per session. Supports Zoom, Google Meet, or a custom URL — visible to both the instructor and client on their booking confirmation.

• +Auto-generated links
• +Per-session URLs
• +Zoom + Google Meet support
• +1 more

A read-only, auto-updating timetable embeddable on any studio website with a single script tag. Clicking a slot redirects to the Unstack booking page.

• +Single script tag
• +Auto-updating (5-min cache)
• +Token-based auth
• +2 more

AI-powered chat assistant that answers parent questions and walks them through booking. Embeddable on any website. Escalates to WhatsApp when it can't help.

• +Natural language booking
• +WhatsApp escalation
• +Embed on any site
• +2 more

Customisable forms shown during booking or registration. 6 field types, drag-to-reorder builder, and a response viewer with CSV export for admin.

• +6 field types
• +Booking flow gate
• +Registration gate
• +2 more

Import client data in bulk and export bookings, revenue, and student rosters in CSV format. Excel-compatible — no special software required.

• +Client import
• +Booking export
• +Revenue export
• +2 more