A focused mobile application generally takes three to five months from the start of discovery to an initial public release. A prototype can be tested in four to eight weeks, while an integrated, offline, or device-connected platform may require five to nine months or longer. These are Project Factory planning estimates, not guaranteed timelines.
The schedule depends less on screen count than on decision speed, integrations, data, device testing, and launch preparation.
Three ranges for initial planning
Testable prototype: four to eight weeks
This scope tests a journey, interaction, or technical risk with a targeted group. It may include an interactive prototype, a limited native capability, or an experimental device connection.
It generally excludes everything a public application needs: complete administration, monitoring, migration, robust account management, and detailed store preparation.
Focused mobile MVP: twelve to twenty weeks
This range fits a first version that completes one important journey from end to end. It typically includes framing, design, development, a reasonable backend, testing, beta, and submission.
An MVP is not a fragile demonstration. It must be reliable enough for real users to achieve the outcome the team intends to validate.
Integrated or complex product: five to nine months and beyond
Time increases when the app must manage several roles, work offline, synchronize sensitive data, process payments, communicate over Bluetooth, migrate history, or integrate with multiple systems.
An iOS and Android scope can share some work, but testing, permissions, device behaviour, and store requirements remain platform-specific.
The complete mobile delivery sequence
Stages often overlap, so mechanically adding every range will overstate the total.
Discovery and framing: one to three weeks
The team defines the business outcome, users, primary journey, data, mobile constraints, and evidence expected from the first release.
The Government of Canada Digital Standards, updated May 25, 2026, recommend designing with users, starting small, and improving frequently. Useful discovery does not freeze every detail; it removes uncertainties capable of overturning the plan.
Journey and prototype: two to four weeks
Design makes the journey testable before every capability is developed. The team checks comprehension, error states, permissions, and essential actions.
The prototype should include the riskiest moment: camera capture, synchronization, device setup, payment, or offline use. Deferring it can create a false sense of progress.
Technical foundation: one to three weeks
The team prepares environments, accounts, authentication, data, error tracking, and delivery pipelines. This can begin during design once structural decisions are sufficiently clear.
Creating Apple and Google accounts early, confirming legal owners, and gathering access prevents administration from blocking a ready release.
Build the primary journey: six to twelve weeks
Work progresses through usable versions. Each cycle should complete part of the journey, test it, and expose the remaining decisions.
The schedule grows when answers about rules, content, or data arrive late. A small team available for weekly decisions shortens the timeline more effectively than a long specification that never resolves tradeoffs.
Quality assurance and beta: two to four weeks
Testing covers devices, operating system versions, interruptions, denied permissions, weak networks, synchronization, and error recovery. Pilot users also verify that the product fits their real context.
Quality does not begin after development. Automated tests, reviews, and device checks accompany construction; the final period concentrates validation of the complete product.
Stores and release: keep at least one week of buffer
Google says submission processing can take from a few hours to seven days and longer in exceptional cases. Its managed publishing guidance recommends at least a one-week buffer before go-live.
Apple reviews every version and related items in a submission. Its App Store Connect process uses distinct statuses and provides a path for resolving issues. A correction and resubmission should therefore remain part of schedule risk.
Decisions that change the timeline most
- One platform or two. Cross-platform technology can share code, not every test or adaptation.
- Existing or new backend. A stable API accelerates mobile; distributed business rules move part of the project to the server.
- Integrations. Documentation, test environments, and vendor availability matter as much as connection code.
- Offline operation. The team must define available data, conflicts, and synchronization.
- Migration. Cleaning and validating history can become the critical path.
- Content and administration. Copy, media, notifications, and internal tools need owners.
- Decision-maker availability. A week without an answer may block several disciplines at once.
Platform requirements keep moving
Starting August 31, 2026, Google requires new apps and updates to target Android 16, subject to exceptions in its target API requirements. Apple's App Review Guidelines showed a June 8, 2026 update when this research was prepared.
A timeline must reserve time for platform compliance and change, not only visible capabilities.
Shorten the project without weakening release
Reduce the number of journeys, roles, and integrations in the initial release. Use proven services for non-distinctive capabilities. Test the product-specific risk early and defer variations that do not change the main decision.
Do not save time by removing testing, monitoring, or basic security. Those cuts move the work past release, when every correction affects real users and data.
Our mobile app versus web app guide may also reveal that a first web validation is faster and better suited to occasional use.
Prepare for a timeline estimate
Bring the primary journey, roles, systems to connect, release constraints, and a date with a real business consequence. Identify negotiable elements and the person able to make weekly decisions.
Project Factory supports mobile app development from framing through launch. Pikoo and Hapbee represent different mobile contexts, from a new product to ongoing roadmap support. To connect schedule with investment, read our mobile app cost guide.