App Development Cost Calculator
This app development cost calculator estimates your project’s budget based on the platform, complexity, and features you select, along with your hourly development rate and team size.
(Base Hours × Platform) + Features × RateWhere the hours come from
| Line item | Hours |
|---|---|
| Select options above to see a breakdown. | |
Why Use an App Development Cost Calculator
Two apps that look similar on paper — “an app with logins and a chat feature” — can end up tens of thousands of dollars apart once you factor in which platforms you’re targeting, how much custom backend logic the product needs, and where the development team is based. Building for both platforms roughly multiplies (rather than simply adding to) the labor, because native iOS and Android versions share design and product decisions but still require separate platform-specific engineering. By contrast, a web-only build typically runs lighter since it avoids native device APIs and app store review. Meanwhile, features like an admin dashboard or real-time chat bring in backend infrastructure that a handful of static screens never touch.
This app development cost calculator gives you a defensible range to bring into early budget discussions before you request a detailed quote. First, it starts with a complexity baseline, then applies a platform multiplier, adds fixed hour estimates for each feature you choose, and finally multiplies the total by your hourly rate and team size.
Base hours, plus platform, plus features
The estimate begins with a baseline for your app’s overall complexity, then adjusts for the platforms you’re targeting and the features you’ve added.
Complexity baseline
Simple, medium, and complex correspond to approximate starting-hour ranges that reflect how much backend work and custom logic a typical app of that kind requires.
Platform multiplier
Web-only apps are typically lighter, while building for two native platforms usually costs more than one — though not exactly twice as much, since some design and backend effort is shared.
Feature add-ons
Each feature you choose adds a specific amount of projected hours to the baseline; real-time additions, such as chat or a full admin dashboard, add the most.
Cost range, not a fixed number
The low end assumes everything proceeds smoothly, whereas the high end accounts for the rework, review cycles, and scope clarification that most real projects face.
Step-by-step sample calculations
Two sample projects, run through the same formula the calculator above uses.
Social fitness app, iOS + Android
A two-person Eastern European team is building a medium-complexity app with user accounts, push alerts, and GPS for both iOS and Android.
Given inputs
- Complexity: Medium (700 hrs)
- Platform: iOS + Android (×1.6)
- Features: Auth (40) + Push (30) + GPS (60)
- Rate / team: $55/hr, 2 devs
Computed outputs
- Base hours: 700 × 1.6 = 1,120
- Total hours: 1,120 + 130 = 1,250
- Cost range: ≈ $58,400 – $85,900
- Timeline: 1,250 ÷ (2 × 40) ≈ 16 wks
Marketplace platform with payments and chat
A three-person US team is building a complex web-and-mobile marketplace app with chat, payments, and an admin dashboard.
Given inputs
- Complexity: Complex (1,400 hrs)
- Platform: Web + mobile (×2.1)
- Features: Payments (90) + Chat (110) + Dashboard (130)
- Rate / team: $150/hr, 3 devs
Computed outputs
- Base hours: 1,400 × 2.1 = 2,940
- Total hours: 2,940 + 330 = 3,270
- Cost range: ≈ $416,900 – $612,900
- Timeline: 3,270 ÷ (3 × 40) ≈ 27 wks
Where app budget estimates go wrong
Assuming iOS + Android is exactly double one platform
Because design, product choices, and a large portion of the backend are shared across native builds, the real multiplier is substantially less than 2× — not a simple doubling of a single-platform estimate.
Forgetting design, QA, and PM time
Design polish, testing cycles, and project management typically contribute significantly to the final number, so hour estimates based only on engineering work tend to understate the total.
Treating the low end of the range as the expected cost
The low end assumes an exceptionally seamless build with little rework. In practice, most real projects fall closer to the middle of the range once scope clarification and review periods are factored in.
Ignoring ongoing maintenance costs
This estimate covers only the initial build, so recurring expenses like OS updates, bug fixes, and hosting need their own separate budget line.
Choosing a region purely on hourly rate
A lower hourly rate doesn’t always translate into a lower overall cost, since slower velocity, greater communication overhead, or a longer ramp-up can offset the savings — so weigh the whole picture, not just the rate.