Product strategy · Custom Web Apps
What Is a Micro App? Examples, Scope & When to Build One
A micro app handles one focused task, such as quoting or intake. See practical examples, how it differs from microservices, and what to scope before building.
- Choose one workflow and one measurable outcome.
- Launch focused, but avoid decisions that block the next stage.
- Use a micro app to learn before committing to a broad platform.
A micro app solves one important job
A micro app is a focused application built around a narrow workflow or outcome. It might collect structured information, automate a repetitive task, give customers a self-service tool, or turn a manual process into a consistent experience.
The point is not that the app is disposable. The point is that its scope is deliberate enough to launch, learn, and improve without carrying the weight of a full platform on day one.
Good micro app candidates
Look for repeated work with clear inputs and outputs. Strong candidates often have a defined audience, a measurable success condition, and a workflow that can be improved without changing the entire business.
Examples include qualification tools, client portals, estimate builders, internal dashboards, onboarding flows, and specialized calculators.
A practical example: a contractor quote request
Consider a proposed tool that asks for service type, approximate project size, and ZIP code, then gives an indicative range or routes the request for inspection. The useful outcome is a better-qualified inquiry, not an automatically guaranteed quote. This is an illustrative workflow, not a claim about a delivered client project.
- Input: service, size, location, and contact preference
- Rules: approved eligibility and estimating assumptions
- Output: a clearly labeled estimate or a request for follow-up
- Acceptance check: invalid inputs cannot create a misleading price
Is a micro app the same as a microservice?
No. Micro app describes a small user-facing scope; microservice describes a backend service boundary. A focused app can use a conventional full-stack architecture with a database and server-side validation. You do not need a distributed microservices system just because the product is small.
When a micro app is not enough
A small app can still need authentication and durable storage. Multiple organizations, complex permission rules, connected workflows, or regulated records can expand the engineering scope even when there are few screens. Micro app is a planning label, not a security exemption.
What does a micro app cost at Luna Studio?
Our Micro App tier starts at $997 for a focused workflow. That is a starting project price, not a fixed quote or market average. Accounts, data retention, external tools, ongoing hosting, and support must be confirmed in the scope before work begins. Bring one workflow, its inputs, its output, and the exceptions that require human review.
Put the guide to work
Explore the Custom Web App package
Starting at $997 USD per project. Review the scope, fit, and exclusions before requesting a quote. Final pricing depends on confirmed requirements; this is not a monthly fee or an all-features promise.
See Custom Web App scope and starting price