Power Apps vs a custom app: which should you build?
Choose Microsoft Power Apps for internal business tools you need quickly and cheaply — especially if you're already in the Microsoft 365/Dataverse ecosystem. Choose a custom-coded app when you need a polished consumer experience, specific performance or design, complex logic, or freedom from per-user licensing. A common, sensible path is to start in Power Apps to validate, then rebuild custom only the parts that outgrow it.
Power Apps vs Custom app, at a glance
| Feature | Power Apps | Custom app |
|---|---|---|
| Build speed | Very fast (low-code) | Slower (full development) |
| Upfront cost | Low | Higher |
| Customisation | Bounded by the platform | Unlimited |
| UX polish | Functional, business-style | Fully custom, consumer-grade |
| Licensing | Per-user / per-app subscription | You own it; host where you like |
| Best for | Internal tools, forms, approvals | Customer-facing & complex products |
| Ecosystem fit | Deep Microsoft 365 / Dataverse | Any stack |
Which should you choose?
For internal tools — forms, approvals, dashboards over Dataverse or SharePoint — Power Apps gets you there in a fraction of the time and cost.
For anything customer-facing, performance-sensitive or genuinely bespoke, a custom app pays off in experience and avoids per-user licensing.
As someone certified in both the Power Platform and full custom development, I'll recommend the one that actually fits — and sometimes that's a hybrid.
Frequently asked questions
Is Power Apps cheaper than a custom app?
Usually lower upfront and faster to build, but per-user licensing adds ongoing cost at scale. Custom apps cost more to build but you own them.
When should I avoid Power Apps?
For customer-facing products, demanding performance or UX, very complex logic, or when per-user licensing becomes expensive at scale.
Can I start with Power Apps and move to custom later?
Yes — a common path is to validate with Power Apps, then rebuild the parts that outgrow it as a custom app.