Mobile Health App Cost Calculator
Development and maintenance cost for patient-facing apps.
About this calculator
This calculator builds a total cost of ownership (TCO) for a HIPAA-compliant patient-facing mobile health app from five cost streams: one-time development (hours times blended hourly rate), initial HIPAA compliance setup plus annual recertification at 40% of that initial cost for every year after the first, cloud hosting that scales with projected user count beyond a 1,000-user base, ongoing maintenance estimated at 20% of the development cost per year, and flat app store fees. Development hours and rate together set the one-time development cost, which is the single largest lever in the model since it also indirectly sets ongoing maintenance cost (pegged at a fixed 20% of it per year) -- so a larger initial build compounds into a larger maintenance bill for every year of the maintenance period. Extending the maintenance period has the same compounding effect from the other direction: every added year adds another full year of hosting, maintenance, and HIPAA recertification cost.
Cost per user divides total TCO by projected users, so as the user base grows, the largely-fixed development and compliance costs get spread across more people and cost per user falls, even though total spend ticks up slightly from the per-user hosting scaling term. This is a planning estimate built on illustrative rule-of-thumb ratios (20% maintenance, 40% HIPAA recertification, $0.02/user/month hosting scaling) rather than a quote from a specific vendor or cloud provider, and it does not account for revenue-share app store fees on in-app purchases, security incident response costs, or major mid-cycle rebuilds.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Total Cost of Ownership ($)
$528,180.00
≈ 13 Teslas
Cost per User ($)
$105.64
How to Use This Calculator
- Enter the estimated Development Hours and the Developer Hourly Rate for design, coding, and QA.
- Enter the HIPAA Compliance Cost and the Base Monthly Hosting cost for HIPAA-compliant cloud infrastructure.
- Set the Projected Users and the Maintenance Period (years) to include in the total cost of ownership.
- Review the Total Cost of Ownership and the Development Cost outputs.
- Check the Cost per User, Monthly Amortized Cost, Total Hosting Cost, and Total Maintenance Cost for a breakdown of ongoing expenses.
How the result changes with Development Hours
| Development Hours | Total Cost of Ownership ($) | Cost per User ($) |
|---|---|---|
| 1,000 | $288,180.00 | $57.64 |
| 1,500 | $408,180.00 | $81.64 |
| 3,000 | $768,180.00 | $153.64 |
| 5,000 | $1,248,180.00 | $249.64 |
What each input means
- Development Hours
- Total hours for design, development, and QA of the mobile app.
- Developer Hourly Rate ($)
- Average blended hourly rate for the development team.
- HIPAA Compliance Cost ($)
- Initial HIPAA compliance setup: encryption, BAA, pen testing, audit.
- Base Monthly Hosting ($)
- HIPAA-compliant cloud hosting base cost (AWS/Azure/GCP healthcare tier).
- Projected Users
- Expected number of active users on the app.
- Maintenance Period (years)
- Number of years to include in total cost of ownership.
What each result means
- Total Cost of Ownership ($)
- Complete cost including development, compliance, hosting, and maintenance.
- Development Cost ($)
- One-time design, coding, and QA cost.
- Cost per User ($)
- Total TCO divided by projected user count.
- Monthly Amortized Cost ($)
- TCO spread evenly across the maintenance period.
- Total Hosting Cost ($)
- Cumulative HIPAA-compliant cloud hosting over the maintenance period.
- Total Maintenance Cost ($)
- Ongoing bug fixes, OS updates, and feature improvements.
How this is calculated
Worked example, using the default values
- Identify Input Parameters6 parametersDevelopment Hours = 2000, Developer Hourly Rate ($) = 150, HIPAA Compliance Cost ($) = 15000, Base Monthly Hosting ($) = 500, Projected Users = 5000, Maintenance Period (years) = 3 = 6 input(s) provided
- Calculate Total Cost of OwnershipTotal Cost of Ownership = developmentCost + totalHipaaCost + totalHostingCost + totalMaintenanceCost + ...528180 = $528,180
- Calculate Cost per UserCost per User = totalTCO / projectedUsers105.64 = $105.64
- Calculate Development CostDevelopment Cost = devHours * devHourlyRate300000 = $300,000
- Calculate Monthly Amortized CostMonthly Amortized Cost = totalTCO / (maintenanceYears * 12)14671.67 = $14,671.67
Engine last updated . Checked against 2 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.
Frequently Asked Questions
How does the number of development hours affect total cost of ownership?
Development hours dominate total cost of ownership -- it is the single input the model responds to most, because it sets the one-time development cost directly and also sets the ongoing annual maintenance cost, which the model pegs at a fixed 20% of development cost every year of the maintenance period. A larger initial build therefore compounds into a larger bill for every subsequent year, not just a bigger upfront number.
Does raising the developer hourly rate change total cost of ownership?
Yes -- hourly rate multiplies directly against development hours to set development cost, and total cost of ownership rises in lockstep with it. Because maintenance cost is itself calculated as a percentage of development cost, a higher hourly rate raises both the one-time build cost and every year of ongoing maintenance cost through that same multiplier.
Why does extending the maintenance period increase total cost of ownership?
Every additional year in the maintenance period adds another full year of cloud hosting, ongoing maintenance labor, HIPAA recertification cost, and app store fees on top of the one-time development and initial compliance costs. Since four of the five cost streams in the model scale directly with the number of years, extending the maintenance period from three to five years adds substantially more than a proportional two-fifths to total cost of ownership.
Why does cost per user go down as projected users increases, even though total cost rises?
Total cost of ownership does rise slightly as projected users grows, because cloud hosting cost scales with users above a 1,000-user base -- but development, HIPAA compliance, and the base hosting cost stay fixed regardless of user count. Spreading that largely-fixed cost base across a larger denominator means cost per user falls even as the numerator ticks up, which is the normal economics of amortizing fixed costs over more users.
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