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Garkonix

Healthcare · 14 weeks to launch

A patient portal that cut no-shows by 37%

A HIPAA-conscious patient portal and mobile app for booking, reminders, and results, designed with and for patients over 60.

reduction in appointment no-shows
37%
reduction in appointment no-shows
of bookings now self-served
78%
of bookings now self-served
app store rating across platforms
4.8★
app store rating across platforms

The challenge

Client
Multi-clinic healthcare group
Services
Mobile Apps, UI/UX Design, SaaS Development
Timeline
14 weeks to launch

A clinic group's front desk spent most of its day on phone bookings and reminder calls, while no-shows ran at 19%, leaving expensive gaps in every provider's calendar.

The patient population skewed older, so the usual startup playbook of dense interfaces and tiny tap targets was exactly wrong. Accessibility was the product requirement, not a checkbox.

What we did

The approach, decision by decision

  1. 01

    Tested with real patients before building

    Ran moderated usability sessions with patients aged 55–80 on early prototypes. Font sizes, contrast, and flow lengths were set by observed failure points, not opinion.

  2. 02

    One codebase, every touchpoint

    React Native + Expo delivered iOS, Android, and web from one codebase, with SMS fallbacks for patients who never install apps. Inclusion by architecture.

  3. 03

    Reminders engineered as a funnel

    Multi-channel reminder sequences (push, SMS, email) with one-tap confirm/reschedule, tuned over eight weeks of A/B measurement against the no-show rate.

The results

  • No-shows fell from 19% to 12%, a 37% relative reduction worth six figures annually.
  • 78% of appointments now booked without a phone call.
  • WCAG 2.2 AA verified by external audit; 4.8★ average store rating.
  • Front-desk staff hours redirected from phones to in-clinic patient experience.

Built with

  • React Native
  • Expo
  • Fastify
  • PostgreSQL
  • Twilio
  • AWS

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