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What Happens After You Hire a Mobile App Development Company? A Week-by-Week Timeline

You've signed the agreement. Here's exactly what happens next — week by week — until your app is live.

Updated July 11, 2026 6 min read NovelX Technology
Quick answer

Most projects move through discovery, design, development, testing, and launch in roughly 8–12 weeks. Expect a kickoff call in the first few days, weekly updates, and a working test build well before launch.

Most people assume the work starts with code. In practice, real projects start quieter — with access, planning, and validation that decide whether the weeks ahead go smoothly. Here's a typical breakdown, from signing to launch and beyond.

Before Week One

The first few days are about setup, not building:

  • Handoff — your project moves to the team who'll actually build it.
  • A main contact — usually a project manager or lead developer.
  • A shared channel — so updates don't get lost in email.
  • Assets requested — logo, brand guide, existing accounts, feature list.
  • A tracker — so you can see progress instead of asking for it.
Have ready

Logo & brand assets, existing credentials, must-have features, apps you like, target platform, and your final decision-maker.

WEEK 01Discovery

Discovery & Requirement Validation

A kickoff call aligns on your goals, users, and the real problem the app solves — not just the feature list. Features get sorted into must-have vs. later, and anything technically tricky gets checked for feasibility.

You provide
  • Business goals & users
  • Feature priorities
You receive
  • Requirement summary
  • Initial roadmap
WEEK 02Planning

Wireframes & Technical Planning

User journeys get mapped into simple black-and-white wireframes. Behind the scenes, the tech stack, integrations, and architecture get locked in — so development doesn't start on a plan that's still shifting.

WEEK 03Design

UI/UX Design

This is when your app starts looking real. A design system and key screens come together, usually ending in a clickable prototype you can react to before development locks in.

When do I see it?

Typically end of week 3 — as mockups and a prototype, not a working app yet.

WEEK 04Dev setup

Dev Setup & First Working Build

Repos and environments get set up, and core modules like login come first. This build looks rougher than the prototype — but it's the first version where things actually work.

WEEK 05–06Core build

Core Features & Integrations

The longest stretch of development. Features get built out and connected to payments, push notifications, maps, or any third-party service your app needs.

You see
  • Fewer visuals, more function
  • Periodic demo updates
You provide
  • Provider credentials
  • Quick answers on ambiguity
WEEK 07QA

Internal QA & Bug Fixing

The team tests across devices and logs bugs before anything reaches you. Finding issues here is normal — it means testing is working, not that something went wrong.

WEEK 08Client testing

Client Testing & UAT

You get a real test build (TestFlight or Android APK) and try it yourself. Feedback gets sorted — a bug, a revision, or a new feature — since each is handled differently.

BugRevisionNew feature
Doesn't work as specifiedWorks, but you want it adjustedWasn't in original scope
Fixed freeMinor ones includedScoped & quoted separately
WEEK 09Store prep

Final Polish & Store Prep

Performance gets optimized and store listings — icon, screenshots, privacy policy — get prepared to meet Apple and Google requirements.

WEEK 10Launch

Launch & Deployment

The app goes to production and into store review. Once approved and live, the team confirms monitoring and analytics are working correctly.

Note

"Development done" and "live in the store" aren't the same day — review can take hours to over a week.

After Launch

Launch is closer to the midpoint than the finish line. Ongoing work includes crash monitoring, real user feedback, analytics review, bug fixes, OS compatibility updates, security patches, and roadmap planning.

What Can Change the Timeline

Complexity, platforms, integrations, AI features, payments, your response speed, and store review times all shift this. Rough ranges:

ProjectScopeTimeline
Simple MVPOne platform, core features6–9 weeks
Medium appBoth platforms, custom backend10–16 weeks
Complex platformMultiple roles, heavy integrations4+ months

Illustrative estimates, not a fixed quote.

Every Week, Expect

  • A short update on what's done
  • Clarity on what's next
  • Honesty about blockers
  • A demo when one's ready

First 30 Days Checklist

Track handoff, discovery, and design milestones.

Get it

Red Flags

No clear contact

Updates come from different people with no context.

No visible milestones

Just vague reassurance, week after week.

Long silences

Two-plus weeks with no update, unexplained.

No test builds

"Almost done" but nothing you can actually try.

FAQ

You get a main contact, a shared channel, and a kickoff call within the first week.

Wireframes around week 2, a clickable prototype around week 3.

Weekly, covering what's done, what's next, and any blockers.

Minor revisions, usually yes. New features are typically scoped and quoted separately.

6–9 weeks for a simple MVP, 10–16 for a medium app, 4+ months for something complex.

Depends on your contract — most transfer ownership to you on final payment. Confirm before signing.

The flagged issue gets fixed and resubmitted — usually adds a day to a week.

Final Thoughts

Hiring the company is the start, not the finish line. Discovery, design, development, testing, and launch — each stage should be visible to you, not hidden behind vague updates. That's the structure NovelX Technology builds every project around.

Want a real timeline for your app idea?

Get a week-by-week roadmap scoped to your actual features — not a generic estimate.

NX
NovelX Technology Development Team

8+ years building mobile apps and custom software across retail, healthcare, education, and services.