The verdict in three sentences
A custom medical booking app costs between 40,000 and 90,000 EUR in 2026 depending on features (SMS reminders, no-show management, telehealth, compliant hosting). Against platforms charging 100 to 300 EUR/month/practitioner, a group of 15 doctors amortises its app in 2 to 3 years. Beyond 10 practitioners, owning your tool is almost always cheaper than renting.
What owning your app changes
Booking platforms capture your patient relationship and impose their rules and pricing. An app you own returns control of data, branding and margin. Here is the typical functional scope of a 2026 project.
| Feature | Range EUR | Business impact |
|---|---|---|
| Multi-practitioner booking engine | 12,000 - 20,000 | System core |
| Automated SMS + email reminders | 5,000 - 9,000 | -25 to -40 % no-show |
| Cancellation / waitlist management | 6,000 - 11,000 | Schedule fill rate |
| Patient portal + history | 7,000 - 14,000 | Retention |
| Mobile app (iOS/Android) | 15,000 - 30,000 | Patient experience |
| Compliant hosting + GDPR compliance | 4,000 - 9,000 | Legal obligation |
ROI: rent vs own over 3 years
The key calculation for management: compare cumulative subscriptions to an amortised build.
| Scenario (15 practitioners) | Year 1 cost | 3-year cost |
|---|---|---|
| Platform at 150 EUR/month/practitioner | 27,000 EUR | 81,000 EUR |
| Platform at 250 EUR/month/practitioner | 45,000 EUR | 135,000 EUR |
| Custom app (build 65,000 + hosting/maintenance) | 71,000 EUR | 95,000 EUR |
At 250 EUR/month/practitioner, the custom app is 40,000 EUR cheaper over 3 years, while removing commissions and making you owner of the patient data.
Cutting no-show: the hidden gain
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No-shows are expensive: a lost slot is evaporated revenue. Automated SMS + email reminders reduce absences by 25 to 40 %. For a group doing 1,200 consultations/month at 40 EUR, cutting no-show from 12 % to 7 % recovers 60 consultations/month, i.e. 2,400 EUR/month and 28,800 EUR/year of extra revenue.
Mini case study
Dr Lemaire runs a 15-practitioner medical centre in Toronto paying 3,750 EUR/month in platform fees (250 EUR/practitioner), i.e. 45,000 EUR/year. He commissions a custom app at 65,000 EUR + 500 EUR/month hosting and maintenance. From year 2 he saves 39,000 EUR/year in subscriptions and gains 28,800 EUR/year from reduced no-shows. Combined annual gain: 67,800 EUR. Investment repaid in under 14 months.
FAQ
Do we need a mobile app or is a website enough? A responsive site covers 70 % of needs at 25,000 - 35,000 EUR; a native app adds 15,000 to 30,000 EUR but improves patient retention.
Is compliant hosting mandatory for simple booking? As soon as you store a reason for visit or medical history, yes. Budget 150 to 400 EUR/month depending on volume.
How long to deliver? A working MVP in 3 months, a full platform with mobile app in 5 to 6 months.
Can we keep our current platform during transition? Yes, running in parallel for 1 to 2 months is common to secure the switch without losing bookings.
What SMS reminder budget should we expect? Around 0.05 to 0.08 EUR/SMS; for 1,200 bookings/month with two reminders, budget 120 to 190 EUR/month.
Let's scope your project. Tell us your practitioner count, your booking volumes and an indicative budget: we cost a compliant app with documented ROI. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
