Wearable App Development Cost Calculator

Estimate development cost, timeline, and ongoing maintenance for wearable companion apps based on platforms, features, health integrations, and team size.

Inputs

Target platforms (1-4)

Feature complexity (1-5)

Health API integrations (0-6)

Cloud backend

Smartphone companion app

Watch complications/widgets (0-5)

Dev hourly rate ($)

Team size

Tab to move between fields

Results

Total development cost ($)

$317,925.00

≈ 8 Teslas

Timeline (months)

8.2

Total development hours2,120

Timeline (weeks)35.3

Monthly maintenance ($)$5,299.00

Annual maintenance ($)$63,585.00

First year total cost ($)$383,190.00

Dev cost only ($)$235,500.00

Annual Store Fees$25.00

How to Use This Calculator

Set the number of target wearable platforms (watchOS, Wear OS, Tizen, Fitbit SDK).
Select feature complexity from simple display to on-device ML/AI.
Enter the number of health API integrations (HealthKit, Google Fit, HR, SpO2, ECG, etc.).
Indicate whether a cloud backend and smartphone companion app are required.
Enter your developer hourly rate and team size to see total cost, hours, and monthly maintenance.

How the result changes with Dev hourly rate ($)

Dev hourly rate ($)	Total development cost ($)	Timeline (months)
48	$101,736.00	8.2
118	$250,101.00	8.2
202	$428,139.00	8.2
272	$576,504.00	8.2

What each input means

Target platforms (1-4): Number of wearable platforms: watchOS, Wear OS, Tizen, Fitbit SDK.
Feature complexity (1-5): Select the feature complexity (1-5)
Health API integrations (0-6): Number of health platform APIs to integrate (HealthKit, Google Fit, HR, SpO2, ECG, etc.).
Cloud backend: Select the cloud backend
Smartphone companion app: Select the smartphone companion app
Watch complications/widgets (0-5): Number of watch face complications or home screen widgets.
Dev hourly rate ($): Average developer hourly rate. US: $150-250, EU: $100-180, offshore: $25-100.
Team size: Number of developers working on the project (affects timeline, not total hours).

What each result means

Total development cost ($): Estimated total cost including development, QA, and project management.
Total development hours: Estimated total hours including dev, QA, and PM.
Timeline (months): Estimated calendar months to completion with the given team size.
Timeline (weeks): Estimated calendar weeks to completion.
Monthly maintenance ($): Estimated ongoing monthly maintenance cost (~20% of initial annually).
Annual maintenance ($): Estimated annual maintenance and updates cost.
First year total cost ($): Development + first year maintenance + infrastructure.
Dev cost only ($): Core development cost excluding QA and PM.

How this is calculated

Worked example, using the default values

Identify Input Parameters
4 parameters
Target platforms (1-4) = 1, Feature complexity (1-5) = 3, Health API integrations (0-6) = 2, Cloud backend = 1 = 8 input(s) provided
Calculate Total development cost
Total development cost = totalHours * hourlyRate
317925 = $317,925
Calculate Timeline
Timeline = calendarWeeks / 4.33
8.2 = 8.2
Calculate Total development hours
Total development hours = devHours + qaHours + pmHours
2120 = 2120
Calculate Timeline
Timeline = totalHours / (teamSize * productiveHoursPerWeek)
35.3 = 35.3

Engine last updated July 28, 2026. Checked against 2 independently-derived tests — how we verify calculators.

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