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App stack cost calculator

Add the tools behind your app to see the real monthly bill and which free tier you will outgrow first. Include AI if your app uses it, then plan what your own free users will cost.

Your stack
Users and AI

Leave this as None to price a product with no AI.

Combined monthly bill

$0.00

Cost per active user

$0.00

Per month

First free limit

No projected limit

The selected tools have no projectable free allowance.

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Monthly cost by category

    No AI model included in this estimate.

    Monthly stack line items
    ToolCategoryPlanMonthly costStatus

    Assumptions

    • Team seats: 1 seat by default; this does not scale with monthly active users
    • Monthly active users: 10,000 users per month, derived at 1 per active user
    • Bandwidth / egress: 500 GB per month, derived at 0.05 per active user
    • Database storage: 10 GB per month, derived at 0.001 per active user
    • File storage: 50 GB per month, derived at 0.005 per active user
    • Function invocations: 200,000 invocations per month, derived at 20 per active user
    • Edge requests: 300,000 requests per month, derived at 30 per active user
    • Transactional emails: 40,000 emails per month, derived at 4 per active user
    • Analytics events: 500,000 events per month, derived at 50 per active user
    • Error events: 2,000 events per month, derived at 0.2 per active user
    • Started overage units: Linear overage rounds up to the vendor's published billing unit
    • First-limit projection: Assumes the editable per-user usage ratios stay constant as active users grow

    Not included in this estimate

      Catalog version 2026-08-15. Estimate only, based on published list prices for the stated workload. Excludes taxes, contractual or volume discounts, regional pricing, and any usage not modeled. Stack estimates model only the pricing dimensions listed for each tool. A component shown as unmodeled has no cost included in the total.

      Can I afford a free plan?

      The non-AI baseline defaults to this stack's current monthly total of $0.00. You can override it below.

      Defaults to the stack total above.

      Projected revenue

      $10000.00

      AI guardrail budget

      $1000.00

      Total AI cost

      $0.00

      Recommended free allowance: No allowance under this guardrail requests per free user/month

      Guardrail used: 10% of projected subscription revenue. This is a planning estimate, not financial advice.

      Break-even: 0 paid users (0.0000 conversion rate).

      Within guardrail: Yes

      Assumptions

      • AI cost: No AI model selected, so AI cost is zero in this estimate.
      • AI cost guardrail: 10% of projected subscription revenue

      Not included