ROVQIX builds custom booking and scheduling systems — availability and capacity rules, resource allocation, timezone handling, reminders, cancellation policies and payment — for businesses where the calendar directly determines revenue.
Booking systems look simple and are not. Availability with multiple resources, buffers, timezones and cancellation rules is genuinely difficult logic to get right.
Enforced at the database
Including DST edges
Cut no-shows measurably
With your calendar
Working hours, buffers, lead times, blackout dates and multi-resource requirements handled correctly.
Booking enforced with database constraints, so two simultaneous requests cannot take the same slot.
Stored in UTC, displayed in the user's zone, correct across daylight saving transitions.
Email and SMS reminders, which reduce no-shows more reliably than any other single feature.
Deposits, full payment or hold-on-file, with cancellation and refund policy enforced in code.
Two-way sync with Google and Outlook so staff availability reflects their real calendars.
Because real availability depends on several resources, buffers and rules that interact in ways a simple calendar cannot express.
| Buy an existing tool when | Build custom when |
|---|---|
| Standard appointments with one resource | Multiple resources must align |
| A tool's rules fit your service | Your availability rules are unusual |
| Booking is peripheral to the business | Booking is the business |
| Volume is modest | Volume justifies the build |
| You need it next week | You need it to fit exactly |
We recommend existing booking tools regularly. They are mature, cheap and handle the standard cases well. Build custom when the availability rules genuinely do not fit, or when booking is embedded in a larger product.
For standard one-person appointments, very likely yes. They are inexpensive and handle the common cases well. Build custom when multiple resources must align, rules are unusual, or booking is part of a larger product.
Yes, two-way with Google and Outlook, so a personal appointment blocks availability automatically. Sync conflicts need a defined resolution policy, which we agree during design.
Yes — deposits, full payment or card-on-file with charge on no-show. Cancellation windows and refund rules are enforced in code rather than left to staff discretion.
A database-level constraint, not an application check. Application-level checks fail under concurrency, and concurrency is exactly what happens when a popular slot opens.
Indicative ranges in USD. Every engagement is quoted to a written scope before work starts, so the number you approve is the number you pay.
$2,500 – $6,000
2–4 weeks
Best for: Connecting an existing tool to your site
$15,000 – $50,000
8–18 weeks
Best for: Unusual availability rules or embedded booking
from $900 / month
Ongoing
Best for: Systems that carry your revenue
How we think about this work, in more depth.
Booking systems
A 30-minute call, then a written proposal with scope, price and timeline within two to three working days. No retainer required to get a real number, and no obligation if the answer is that we are not the right fit.