How to Write a Mobile App Project Brief: Free Template and Example

Yusuf Qazi — Fri, 09 Oct 2026 23:23:42 +0000

Originally published on Codent.

Turn an app idea into a scope a developer can assess. Includes a free brief, a worked example from Flowboo, and questions to ask before accepting a quote.

What should you send an app developer before asking for a quote?

Send a short description of the user, the problem, and one complete task the app must support. Add your required platforms, essential features, existing systems, and budget constraints. You do not need to choose a framework or design every screen first. A useful brief gives a developer enough context to ask focused questions and identify the work behind the interface.

Download the plain-text worksheet below and edit it in any text editor.
Use ‘not sure yet’ where you need advice; uncertainty is better than a guessed requirement.
Keep passwords, customer records, and confidential system details out of the initial enquiry.

Download the free, editable app project brief (.txt)

Describe a task instead of a list of screens

A screen list such as ‘login, dashboard, and payments’ hides important decisions. Describe when someone opens the app, what they need to do, and what counts as finished. For a staff tool, that might be recording a completed job and making it available to an office administrator. Then describe the awkward cases: an interrupted connection, a rejected payment, a duplicate record, or an account that should not have access.

User: who completes the task, and who supports or administers it?
Trigger: what makes the person open the app?
Result: what changes when they finish?
Failure: what should happen when the task cannot be completed?

What Flowboo teaches about scoping a mobile app

Flowboo is our own released iOS and Android puzzle app. The table below uses its features to illustrate scope decisions; it is not a record of the original project brief, a price estimate, or a recommended feature list for every app. Even a straightforward puzzle experience includes decisions about local progress, accounts, connected services, and purchases.

Product requirement	What needs to be defined	A question for your own app
Play a puzzle and retain progress	Which progress lives on the device and what happens after an interrupted session	What must work without a connection?
Use connected accounts and cloud saves	Sign-in, data ownership, synchronisation, and recovery states	Do people need their data on another device?
Offer daily and weekly challenges	The boundary between local content and online services	Which features depend on a server being available?
Offer an optional subscription	Entitlement state, purchase restoration, and the experience without a subscription	What can a user do before and after paying?
Release on iOS and Android	Platform testing, store accounts, listing assets, and submission work	Which platforms are necessary for the first release?

Inspect Flowboo, its screenshots, and the public store listings

Choose three essential features and name what can wait

A minimum viable product should let a defined user complete a useful task. It does not need every idea in the backlog. Mark three features as essential, then list what can wait. For example, a first staff workflow might need sign-in, job capture, and an office review screen. Advanced reporting, a second user role, or a customer-facing app could be separate decisions. These are planning examples, not assumptions about your project.

Describe an acceptance check for each essential feature: what will you demonstrate when it is finished?
Include the admin interface if someone must manage accounts, content, or records.
Check whether an existing product can handle the workflow before paying for a custom build.
If a feature is optional, say so before the estimate rather than after development begins.

Give enough detail to get a comparable development quote

A budget range helps a developer assess whether the scope is feasible. State the currency, whether taxes and third-party costs are inside that budget, and whether the deadline is flexible. A generic price for ‘an app’ is not a reliable comparison: one proposal may include backend work, testing, and store submission while another covers only the interface. Ask each developer to identify what is included and what remains your responsibility.

Design and prototype: which screens and revisions are included?
Implementation: does the quote include the backend, admin tools, and integrations?
Verification: which devices, browsers, error states, and acceptance checks will be tested?
Launch: who prepares store assets, submits builds, and responds to review feedback?
Operations: separate hosting, paid services, platform fees, and maintenance from the build price.

Agree on access and handover before work starts

Ask how source-code ownership, repository access, hosting, store accounts, and third-party licences will be handled. Put the agreement in writing. Also decide who will operate the app after handover, what documentation is included, and how fixes or new features will be scoped. If you already have an app, describe what exists and which accounts you control; the developer should assess it before recommending a rebuild.

Name who controls each production account and who pays its ongoing fees.
Agree on the source code, documentation, and access included in handover.
Separate a defined bug-fix period from continuing support and new feature work.
Use an agreed secure access process later; do not paste credentials into a contact form.

Turn the brief into a scoped conversation

Use the worksheet to capture what you know, then discuss the gaps. Codent works remotely from Edmonton with businesses and product teams across Canada. Share the user, the problem, the essential features, and your constraints through the enquiry form. That gives us a starting point for a feasibility discussion and a proposal, rather than asking you to arrive with a finished technical specification.

Discuss your app brief with Codent

Common questions

Do I need wireframes before contacting an app developer?

No. A clear user journey and a list of essential features are enough to begin. Sketches can help, but the right screens and flow can be worked out during scoping.

Is an app project brief the same as a technical specification?

No. A brief explains the business problem, users, priorities, and constraints. A technical specification goes into implementation details and can be developed after those decisions are understood.

Should I include a budget in the brief?

Yes, if you have a range. Include the currency and whether it covers taxes, ongoing fees, and support. It helps the developer explain what scope may be feasible and what could wait.

Can I use this brief for a web app or internal business tool?

Yes. The workflow, access, integration, and ownership questions still apply. Replace the mobile platform section with your browser or desktop requirements.

Yusuf Qazi is the developer behind Codent, based in Edmonton and working remotely across Canada.

Disclosure: This article was prepared with AI assistance using Codent’s published project and planning information.

DEV Community: Yusuf Qazi