The verdict in three sentences
For a private clinic in Montreal, a vertical scheduling tool works as long as you accept its fixed patient-journey limits and its per-practitioner recurring price. The moment you want to unify 3 sites, industrialize automated reminders, and connect labs and patient records, a custom module on health-grade hosting pays back within 18-24 months. The true cost isn't the license, it's the no-show rate and reception hours: that is where ROI is won.
Vertical vs custom: the real budget comparison
The clinical decision must weigh total cost over 3 years, not just the monthly subscription. A 40-bed clinic runs 18 to 25 practitioners; at 79-149 EUR/month each, the recurring bill climbs fast.
| Item | Vertical scheduling SaaS | Custom health-grade module |
|---|---|---|
| Setup | 0-2,500 EUR | 45,000-85,000 EUR |
| Subscription | 79-149 EUR/mo/practitioner | Health hosting 350-700 EUR/mo |
| 20 practitioners / year | 19,000-35,700 EUR | 4,200-8,400 EUR (hosting) |
| Maintenance / changes | Included but frozen | 15-18%/yr of build |
| Journey customization | Limited | Full |
| 3-year cumulative cost | 57,000-107,000 EUR | 65,000-115,000 EUR |
| Code ownership | No | Yes |
At constant volume the two options converge by year 3; beyond that, custom pulls ahead because it carries no per-practitioner cost.
What health-grade hosting and privacy law actually require
Hosting health data is not optional: certified health-grade hosting is mandatory. In practice this frames the infrastructure choice and part of the recurring budget.
| Requirement | 2026 detail | Budget impact (order of magnitude) |
|---|---|---|
| Certified health hosting | OVHcloud Healthcare, Azure, AWS health | 350-700 EUR/mo |
| Encryption + audit | AES-256, access logs, traceability | Included in build |
| Interop HL7 / FHIR | Records / lab connector | 6,000-14,000 EUR |
| Privacy impact assessment | Sensitive-data DPIA | 2,500-5,000 EUR |
| Reversibility / backup | Daily encrypted backup | 60-120 EUR/mo |
| Support & on-call | 99.9% SLA | 400-900 EUR/mo option |
Interoperability is the most underestimated line: without it, practitioners re-key reports and the promised time savings evaporate.
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Mini case study
Dr. Tremblay runs a private clinic in Montreal: 3 sites, 40 beds, 22 practitioners. Before the project, the no-show rate hits 18% and reception spends ~5 hours/day on manual reminders. After deploying a custom module (68,000 EUR build + 550 EUR/mo hosting), no-shows drop to 10% and reminders are automated. Across 22,000 appointments/year at an average 45 EUR margin, recovering 8 points of no-show adds ~79,000 EUR/year in billed slots. Add 5 hours/day of reception time reallocated (~110 EUR/day, ~24,000 EUR/year) and payback lands under 12 months.
FAQ
Is certified health-grade hosting really mandatory? Yes, as soon as you store or process personal health data on behalf of a healthcare professional. Budget 350-700 EUR/month for a certified provider such as OVHcloud Healthcare or Azure.
How long to develop a custom module? For a 3-site clinic, plan 10 to 16 weeks: scoping 2-3 weeks, development 6-9 weeks, testing and cutover 2-4 weeks. A records connector adds 2-3 weeks.
Can we keep the vertical tool and add custom on top? Yes, in a hybrid approach: the vertical tool stays the public booking front, and the custom module orchestrates the internal journey. The API connector costs 5,000-10,000 EUR.
What maintenance budget should we plan? Count 15-18%/year of build cost, i.e. 6,800-15,300 EUR/year for a 68,000 EUR project. This covers fixes, regulatory changes, and security updates.
Is the ROI realistic? A 30-45% reduction in no-shows is well documented when multichannel reminders (SMS + email) are properly configured. On a high-volume clinic, the no-show gain alone funds the project in under 18 months.
Let's scope your project. Tell us your sites, appointment volume, and hosting constraints: we'll price a 45,000-85,000 EUR module built around your patient journey. 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.

