The honest answer: 3 to 9 months for most apps. The longer answer involves scope, team quality, how decisive you are, and whether you did the work upfront to avoid expensive surprises. Here is what actually drives timelines.
The first thing I tell every founder who asks this question: the timeline is mostly in your control, not the dev team's. A well-prepared founder with a clear brief who makes fast decisions almost always lands on schedule. A founder who is vague about requirements, slow to review, and keeps adding features mid-build almost always runs late.
That said, complexity matters. Here are real timelines by app type and scope.
| App type | Inception | Development | QA | Total to launch |
|---|---|---|---|---|
| Simple consumer app (1 user type, core workflow) | 4 wks | 8 wks | 2 wks | 14–16 weeks |
| Mid-complexity app (multiple user types, payments) | 5–6 wks | 10–12 wks | 3 wks | 18–22 weeks |
| Two-sided marketplace | 6 wks | 12–16 wks | 3–4 wks | 22–28 weeks |
| SaaS with web + mobile | 6 wks | 14–18 wks | 3–4 wks | 24–30 weeks |
| Healthcare/compliance app | 6–8 wks | 16–24 wks | 4–6 wks | 28–40 weeks |
These are timelines with a quality team, a clear brief, and a founder who is responsive. Add 20 to 40 percent if the project has unclear requirements at kickoff.
Problem definition, MVP feature list, rough cost and timeline estimate. This typically happens before a contract is signed. At Rebelled it starts with a free Game Plan call.
Full Figma designs, user flows, technical architecture, and a sprint-level development plan. The single biggest timeline accelerator. Teams that skip this usually spend the same time — or more — fixing problems mid-development.
Two-week sprints with working software at the end of each one. Backend, frontend, integrations, and admin tools built in parallel where possible.
Functional testing, device testing, and founder sign-off. First submissions to App Store and Google Play happen at the end of this phase.
App is live. Real users provide feedback. First post-launch sprint planned based on actual usage data, not assumptions.
I have seen the same delays appear on project after project. None of them are mysterious, and almost all are preventable.
Speed and quality are not opposites if you do the preparation work correctly. Here is what actually moves projects faster:
The fastest-moving projects I have run had one thing in common: founders who trusted the process, reviewed builds quickly, and protected the scope. Not the biggest budgets. Not the simplest apps. The most disciplined founders.
Founders often face pressure from investors, co-founders, or their own excitement to promise an aggressive launch date. This usually ends in a rushed launch, a buggy product, and early user churn that is very hard to recover from.
A credible timeline is one of the most valuable things you can give a stakeholder. If your timeline is 6 months, own it. The cost of launching 6 weeks early with a broken product is far higher than the optics cost of a measured launch date.
When presenting timelines to investors or boards, use phase milestones rather than a single launch date. "We complete Inception in week 6, have a tested staging build in week 18, and launch in week 22" is more credible — and more defensible if a delay occurs — than "we launch in Q3."
A well-scoped, simple MVP typically takes 14 to 20 weeks from kickoff to App Store. That includes 4 to 6 weeks of Inception (design), 8 to 12 weeks of development, and 2 weeks of QA. Mid-complexity MVPs with multiple user types or real-time features run 20 to 28 weeks.
The most common delays are scope changes mid-build, slow founder feedback during reviews, third-party API integrations that behave differently than documented, and App Store rejection requiring resubmission. Well-scoped projects with decisive founders almost always land on time.
A very simple app — one user type, one core workflow, minimal integrations — can be built and submitted in 12 to 14 weeks including design. It requires a well-prepared brief, fast decision-making from the founder, and no scope changes during the build. It is possible but needs conditions to be right.
Apple typically reviews new apps within 1 to 3 business days. Rejections add time — sometimes another 3 to 7 days for resubmission and re-review. Experienced dev teams know what causes rejections and prepare submissions correctly, which means first-time approvals are the norm, not the exception.
Work with Rebelled
Book a free Game Plan session and walk away with a clear timeline, scope assessment, and cost range — before you commit to anything.