Shopify App Development Cost in 2026: Full Pricing Breakdown
What it really costs to build a public or custom Shopify app — by complexity, with hidden costs, review timelines, and the maths behind app profitability.
A Shopify app can cost $4,000 or $180,000. The variable isn't the feature list — it's whether the app touches checkout, holds merchant data, and needs to survive Shopify's app review and Built for Shopify requirements.
Cost by tier
| Tier | Example | Timeline | Cost |
|---|---|---|---|
| Custom app (single merchant) | Internal ops tool, data sync | 2–4 weeks | $4,000–$18,000 |
| Simple public app | Badge, banner, upsell widget | 4–8 weeks | $12,000–$35,000 |
| Mid-complexity public app | Subscriptions, bundles, loyalty | 8–16 weeks | $35,000–$90,000 |
| Complex / AI-powered app | Personalisation, forecasting, ERP sync | 12–28 weeks | $80,000–$180,000+ |
| Checkout extension | Checkout UI extensions, Shopify Plus | 6–14 weeks | $40,000–$120,000 |
Custom apps for a single merchant are cheap because they skip app review, billing integration, multi-tenant isolation, and support. Public apps pay for all four.
What drives the number
- Multi-tenancy. A public app serves thousands of shops with separate data and separate rate limits. That's real architecture — see multi-tenant architecture.
- Webhooks and reliability. Shopify webhooks arrive out of order, duplicate, and occasionally vanish. Idempotency and retries are non-negotiable. Related: webhook reliability patterns.
- API rate limits. GraphQL cost-based throttling forces batching and queueing on any bulk operation.
- Billing API. Recurring charges, usage charges, trials, plan upgrades, and proration — a week of work minimum, done properly.
- Built for Shopify criteria. Performance budgets, embedded App Bridge behaviour, Polaris compliance, and accessibility. Meeting the badge requirements adds 15–25%.
- GDPR webhooks. Mandatory data-request, data-erasure, and shop-redact endpoints.
The hidden costs nobody quotes
| Item | Typical annual cost |
|---|---|
| Hosting + database | $600–$9,000 |
| Background job infrastructure | $300–$4,000 |
| Error tracking + logging | $300–$3,000 |
| Merchant support (part-time) | $6,000–$40,000 |
| API version migrations (quarterly) | $4,000–$20,000 |
| Shopify revenue share | 0% under $1M lifetime, then 15% |
The quarterly API migration is the one that surprises people. Shopify deprecates API versions on a fixed schedule; an unmaintained app breaks within a year.
Timeline reality, including review
- Weeks 1–2: OAuth, embedded shell, session storage, webhook plumbing.
- Weeks 3–8: core feature, admin UI in Polaris, theme app extension if storefront-facing.
- Weeks 8–10: billing, GDPR endpoints, onboarding flow, listing assets.
- Review: typically 5–15 business days for a first submission, and first submissions are frequently rejected for onboarding, performance, or listing issues. Budget one rejection cycle.
Build vs buy vs custom
Before commissioning anything, check whether an existing app plus a small custom bridge solves it. A $49/month app that covers 80% of your need beats a $40,000 build almost every time. Commission custom when: the workflow is your competitive advantage, no app supports your ERP, or app subscription costs across your stack now exceed $1,500/month.
Does a public app pay off?
Rough model: 100,000 merchants might see your listing, 1–3% install after a search, and 20–35% of installs convert to paid at $19–$99/month. A mid-tier app at $29/month with 400 paying merchants is $139,000 ARR — decent, after the 15% revenue share and support cost. Most public apps never reach 100 paying merchants. Treat it as a product business, not a side project: distribution, listing SEO, and onboarding matter more than features.
How to reduce cost without regret
- Ship one merchant-facing job to be done, not a settings page with 40 toggles.
- Use Shopify's managed primitives — metafields, Functions, theme app extensions — instead of rebuilding them.
- Skip a custom design system; Polaris is free and reviewers prefer it.
- Instrument from day one so you can cut features nobody uses.
Bottom line
Budget $4,000–$18,000 for a single-merchant custom app, $12,000–$35,000 for a simple public app, and $35,000–$90,000 for anything with subscriptions or bundles. Then add 15–25% annually for maintenance and API migrations. The build is the cheap part; staying compatible is the recurring one.
FAQ
Frequently asked questions
How much does it cost to build a Shopify app in 2026?+
A custom app for one merchant costs $4,000–$18,000. A simple public app runs $12,000–$35,000, mid-complexity apps with subscriptions or bundles $35,000–$90,000, and complex or AI-powered apps $80,000–$180,000 or more.
Why are public Shopify apps more expensive than custom apps?+
Public apps require multi-tenant architecture, the Billing API, mandatory GDPR webhooks, app review compliance, Built for Shopify performance criteria, and ongoing merchant support. Custom single-merchant apps skip all of those.
What are the ongoing costs of a Shopify app?+
Hosting and database ($600–$9,000/yr), background jobs, error tracking, merchant support ($6,000–$40,000/yr), and quarterly API version migrations ($4,000–$20,000/yr). Shopify also takes a 15% revenue share after $1M lifetime revenue.
How long does Shopify app review take?+
First submissions typically take 5–15 business days and are often rejected once for onboarding, performance, or listing issues. Budget for at least one rejection and resubmission cycle.
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