Keystone Devs SG
Back to home For business owners

Fix the problem that eats your week.

Clinics, tuition centres, service firms and shops hit the same walls as they grow: customers who forget to come back, bookings lost in WhatsApp, spreadsheets nobody trusts and invoices chased by hand. Pick yours below to see what we would build.

Book a free 15-min call Try the live demo
Common problems we fix

Pick the one that sounds like your week.

Most owners come to us with one of these. The same fixes work for clinics, tuition centres, service firms, shops and startups.

What you getChart uses sample data from the demo clinic · See every module for your business →
Why reminders matter · research 34%

fewer missed appointments, on average, when patients get phone or SMS reminders

Hasvold & Wootton, systematic review, J Telemed Telecare 2011
Reminders sent this week148
Automatic · 0 typed by hand
Mon
Tue
Wed
Thu
Fri
Sat
Sun
WhatsAppSMS fallbackRecalls, confirmations and day-before nudges
0 double bookings

A slot locks the moment it is taken, online or at the counter.

6–8 wks to go-live

Workshop, a working demo every Friday, then launch.

Fixed price, in writing

Agreed before any code. No hourly surprises.

100% yours to keep

Handed over in your name. Reply to any enquiry within 24h.

Live demo

Try it: book a visit.

This is the booking page your customers would use, on their phone, with your name on it. Book a visit and watch what the system does for you in the background.

Open the front-desk demo

Behind the scenes

  1. Slot heldThe time is locked while they book, so no double bookings
  2. Customer recordCreated or matched by mobile number
  3. WhatsApp confirmationSent instantly with the date, time and address
  4. Reminder scheduled24 hours before the visit
  5. Clinic calendarLands in the front desk calendar
Clearview OpticalTampines · Outlet 1

A sample clinic. Bookings stay in your browser.

Pricing

Fixed prices. In writing.

Every engagement starts with a one-page scope listing what is and isn't included. The price you sign is the price you pay.

S$500Discovery Sprint, from · 1 week, credited to your build
S$1,500Automation Quick Win, from · 1 to 2 weeks
S$4,200Business System Build, from · founding rate S$3,200
S$150Care Plan, from · per month after launch
S$15,000Custom Platform, from · 10 to 16 weeks, for bigger builds like VSMS · See what's included
Full pricing, the estimator and how a build runsEvery package, a 30-second price estimate and the week-by-week plan.
Ask Keystone

What would you like to know?

The questions owners ask most, answered straight. Tap a suggestion or type your own.

Pricing, timelines and ownershipVSMS and my part in itGrants, data safety and changes

Answers are written by Aarya, not generated. Anything else goes straight to the contact form.

Aarya · Keystone Devs● Online · replies within a day
Pre-written answers

Popular questions

Start a project

Tell us what you'd like to build.

Answer a few questions, about two minutes. We research your setup before we call. If software isn't the answer, we'll say so.

  1. 2 minutesYou send the brief

    Your business, the problem and what a good result looks like.

  2. Same dayWe do the homework

    We study how businesses like yours run and sketch a first approach.

  3. Within 24 hoursA 15-minute call

    Ideas, a rough price and next steps. No obligation.

  4. After the callFixed quote in writing

    A one-page scope with the price you will pay.

Book a free 15-min call
Prefer to message? aarya@keystone-devs.com Singapore · on-site visits island-wide