How long does it take to build a mobile app? Honest answers include design, backend, QA and store review — not just coding sprints. Skipping those buffers is why launch dates slip.
2026 timeline bands we quote
- 6–10 weeks — thin MVP: auth, 5–8 screens, one API, internal TestFlight/Play track
- 10–16 weeks — production MVP: payments or notifications, analytics, hardening, store submit
- 4–7 months — multi-role product with offline, complex admin, or heavy integrations
What actually consumes the calendar
- Discovery and UX flows (often under-scoped)
- API contracts and backend readiness
- Device QA across OS versions
- App Store / Play policy fixes
- Client UAT cycles and content readiness
Flutter vs native effect on duration
Cross-platform with Flutter usually shortens UI parity work. Native dual tracks add coordination overhead. Compare approaches in Flutter vs native and our mobile services.
Buffers you should insist on
- 1–2 weeks for store review and rejection fixes
- Crash-free soak period before marketing spend
- Analytics validation before “launch” is declared
How to compress without cutting quality
Cut scope, not QA. Ship a vertical slice users can complete end-to-end. Parallelise design and API stubs. Use a dedicated team when hiring would add months.
Get a dated delivery plan
Contact Altron Technologies with your feature list for a week-by-week outline.


