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Mobile product studio — iOS & Android

We build mobile apps that ship —and keep shipping.

Cognify Technologies takes iOS and Android products from first sketch to a live App Store and Google Play listing. Fixed scope, a build on your phone every fortnight, and a team that is still around at version ten.

  • Fixed scope, fixed date
  • Your repo from commit one
  • Both stores, submitted by us

The stack we build on

  • SwiftiOS native
  • SwiftUIApple UI
  • KotlinAndroid native
  • Jetpack ComposeAndroid UI
  • FlutterCross-platform
  • React NativeCross-platform
  • TypeScriptServices
  • Node.jsAPIs
  • FirebaseRealtime & auth
  • SupabasePostgres backend
  • PostgreSQLData
  • StripePayments
  • GraphQLAPIs
  • AWSInfrastructure
  • Google CloudInfrastructure
  • FastlaneRelease automation
  • GitHub ActionsCI/CD
  • SentryCrash monitoring

Why projects stall

Most app projects do not fail at the code.

They fail at three predictable points. Our process exists because of them, not in spite of them.

Scope

The v1 that was really a v3

Every feature sounds essential in a kickoff meeting. Six months later the budget is spent on things no user asked for and the app still is not live. We cut v1 down to what proves the idea, and we put the rest in writing for later.

Review

The rejection loop nobody planned for

Account deletion, subscription disclosure, permission strings, sign-in walls, data safety forms. Almost every rejection traces back to a decision made during design. We audit against both guideline sets before we submit, not after.

After

The app that quietly rots

iOS and Android ship breaking changes every year. Without someone watching, a working app becomes a crashing app, then a delisted one. Care is a service we sell, not a favour we forget.

How we work

Six phases. No black box in the middle.

You always know which phase you are in, what comes out of it, and when. Here is the whole thing.

  1. 011–2 weeks

    Discovery

    Decide what is actually v1

    Most failed app projects were scoped as v3. We pull your idea apart, map the flows, cut everything that will not change a launch decision, and write it down as a fixed scope.

    • Flow map
    • Prioritised backlog
    • Fixed proposal
  2. 022–4 weeks

    Design

    Make it real before it is expensive

    Screens and a tappable prototype. Changing a flow in design costs an afternoon; changing it after the backend is built costs a sprint. You sign off on something you have held in your hand.

    • Design system
    • All v1 screens
    • Prototype
  3. 036–14 weeks

    Build

    Two-week releases, never a black box

    You get a build on your device every two weeks, a written release note, and access to the board and repository the whole time. No demo-day surprises.

    • TestFlight / internal track builds
    • Sprint notes
    • Live board
  4. 041–2 weeks

    Hardening

    Break it on purpose

    Real devices, bad networks, low storage, denied permissions, interrupted payments. Plus a full pass against both stores’ review guidelines before we ever hit submit.

    • Device matrix report
    • Review pre-audit
    • Perf baseline
  5. 051 week + review

    Launch

    Submit, defend, roll out

    Listings, assets, privacy declarations and submission on both stores. If a reviewer pushes back we write the response — that is our job, not yours.

    • Live listings
    • Staged rollout
    • Monitoring dashboards
  6. 06Ongoing

    Care

    Keep it alive

    iOS and Android ship breaking changes every year. We handle upgrades, watch crash rates against an agreed threshold, and plan the next release with you.

    • Monthly reports
    • Upgrade PRs
    • Roadmap sessions

Non-negotiables

What you get on every project, without asking.

These are not upsells or a premium tier. They are the floor — the things that decide whether an app is still healthy a year after launch.

No lock-in, by design. The code, the accounts and the credentials are yours throughout. If you want to move the work in-house or elsewhere, we will help you do it.

  • Your repository, from commit one

    Code lives in your GitHub or GitLab organisation from the first day, not ours. You can clone it, read it and take it elsewhere at any point.

  • A build on your phone every sprint

    TestFlight for iOS, internal testing track for Android, every two weeks. Progress you can tap, not a status percentage in a spreadsheet.

  • Automated checks before merge

    Type checks, linting, unit and widget tests, and a signed build run on every pull request. Nothing reaches main on trust alone.

  • A crash-free target in writing

    We agree a crash-free session threshold before launch and monitor against it. If a release drops below it, fixing that outranks new features.

  • Accessibility is not a phase two

    VoiceOver and TalkBack labels, contrast ratios, dynamic type and 44pt touch targets are acceptance criteria on every screen we build.

  • Handover that actually hands over

    Architecture notes, environment setup, credentials inventory, runbook and a walkthrough call. Another team could pick this up without calling us.

Straight answers

The questions everybody asks first.

See all questions
What does a mobile app actually cost?

A focused v1 on both platforms typically lands between a small, single-purpose utility and a full marketplace with payments and realtime features — the range is wide because the scope is. That is exactly why we start with a paid product sprint: you get a fixed number against a written scope instead of an estimate that moves. If the sprint tells you the idea is not worth building, that is a good outcome and a cheap one.

Native, Flutter or React Native — which do you recommend?

It depends on what the app does. Heavy camera, audio, Bluetooth, background processing or platform-specific UI: native Swift and Kotlin. Content, commerce, booking, social and dashboard apps where the two platforms should behave identically: Flutter or React Native, one codebase, roughly 60–70% of the cost of two native builds. We make the recommendation in discovery, in writing, with the trade-offs stated.

How long until my app is live?

For a well-scoped v1: 3–5 months from kickoff to a live listing, including store review. Discovery is 1–2 weeks, design 2–4, build 6–14, hardening 1–2, then submission. Apple review is typically 24–48 hours once you submit something that passes the guidelines — the delay people remember is usually a rejection loop, which is what our pre-submission audit exists to prevent.

Who owns the code and the developer accounts?

You do, entirely. The repository sits in your organisation from the first commit. The App Store Connect and Google Play accounts are registered to your company, with us added as users you can remove. Every credential, key and certificate is inventoried and handed to you. There is no lock-in mechanism in our contracts because we do not want clients who stay for that reason.

What happens if Apple rejects the app?

We handle it — writing the response, making the change, resubmitting. It is included, not billed as extra. We also audit against both guideline sets before submitting, which is why it rarely gets that far. The rejections that do happen are usually about account deletion, subscription disclosure, permission usage strings or login requirements, and all of those are decided during design, not at submission.

Start here

Tell us what you want to build.

Send a paragraph about the idea. You will get a real reply from someone who has shipped apps — not a calendar link and a brochure.

NDA on request · Reply within one business day