Availability that's true
Real-time slots across staff, rooms and resources — overlaps, buffers and working hours enforced by logic, not by hope.
Service — Booking App DevelopmentCairo, Egypt — open to remote
Booking app development, calendar to reminder
A booking app lives or dies on details most demos skip: two people grabbing the same slot, a client who books and never shows, a resource that needs buffer time between appointments. I build reservation apps where those details are the engineering — not an afterthought.
For clinics, salons, studios, rentals and venues: your customers book from the app in their language, your calendar stays true in real time, and reminders do the chasing your staff used to do.
3+ yrsprofessional experience
10+production apps today
EG · LB · AEclients served
What gets built:
A booking flow that finishes
Few taps from browsing to booked: service, time, details, confirmation — with deposits or full payment when your policy needs teeth.
Reminders that cut no-shows
Push and SMS/email reminders on the schedule you choose — 24 hours and 2 hours before, in the customer's language.
Reschedule & cancellation
Self-service changes inside your rules — cutoffs, fees, and waitlists that backfill cancelled slots automatically.
An admin calendar
Your team's day view with drag-reschedule, blocked times, staff workloads and utilization visible at a glance.
- Clinics & practitioners
Appointment types by duration and provider, intake details collected before arrival, privacy handled properly.
- Salons, spas & studios
Multiple staff, overlapping services, packages and memberships — the messy realities of time-for-money businesses.
- Rentals & venues
Courts, rooms, apartments and equipment booked by the hour or day — deposits, slots and seasonal pricing included.
How it ships:
01Policy pass
Your booking rules written down as logic: buffers, cutoffs, deposits, who can override what.
02Design
A booking flow your customers finish in under a minute — bilingual if your audience is.
03Build
The calendar engine and notifications wired early; weekly builds to your phone from week one.
04Launch
Both stores, an admin walkthrough for your team, and booking-completion and no-show rates monitored after go-live.
- Scheduling logic
Slot generation, conflict detection and timezone-safe times — the core engine is tested like the app depends on it, because it does.
- Notifications
Firebase Cloud Messaging with per-service templates and quiet hours; SMS/email via your provider when push isn't enough.
- Payments for deposits
Gateway integration when your policy needs money held — idempotent, server-validated, refund-safe.
- Offline awareness
Staff views degrade gracefully when the venue's Wi-Fi drops — today's schedule is cached, not lost.
Relevant shipped work: Jamalik — a beauty & wellness marketplace where service discovery and appointment booking with professionals share one design system.
See the selected work on the main page →
Tell me what you book.
Chairs, courts, rooms or appointments — describe your booking day and you'll get a scope and quote that covers the rules you actually enforce.