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Custom Development

Mobile App Development

One codebase, two stores: Flutter and React Native apps that feel native.

crash-free budget: 99.9%

Charcoal smartphone rendering an app UI, slowly rotatingCharcoal smartphone rendering an app UI, slowly rotating

Problems solved

What this removes.

  • two native teams cost

    budget splits before first release

  • crash-rate churn

    1-star reviews cite instability first

  • store rejection loops

    weeks lost to guideline ping-pong

  • slow feature parity

    Android waits for iOS to finish

  • offline dead zones

    field users lose work underground

What's included

What you get.

  • iOS + Android builds
  • cross-platform codebase (Flutter/RN)
  • native modules where hardware demands
  • store submission + listing assets
  • crash monitoring (Sentry) + analytics
  • offline-first sync engine
  • push notification pipeline
  • OTA config with kill-switches
  • device-lab QA reports
  • 90-day warranty + store ops support

Scope

Scope, clearly drawn.

Core scope is fixed. Add-on prices are indicative — not quotes.

Included in every engagement

  • mobile UX with platform conventions
  • architecture + offline sync design
  • sprint build with weekly test builds
  • device-lab + cloud-farm QA
  • store submission + review handling
  • hypercare + crash budget monitoring

Optional add-ons

  • store feature story prep+$2k

    listing + screenshots + pitch

  • AR/ML native module+$6k

    Swift/Kotlin bridge

  • kiosk mode variant+$3k

    locked-down field devices

  • store localization (5 locales)+$2.5k

    metadata + screenshots

Our approach

How we run it.

  1. Mobile UX

    thumbs-first, offline-aware

  2. Architecture

    sync engine + native bridges

  3. Sprint build

    weekly TestFlight / Play builds

  4. Device-lab QA

    crash-free gate 99.9%

  5. Store launch

    phased rollout + review handling

Pricing signal

What it typically costs.

Typical range

$30k-$150k

Midpoint $90k · final quote after a fixed-scope discovery.

crash-free 99.9% budget in contract

Technologies

Tools we reach for.

Reviews

What clients say.

About our team's work, before DosVectis.

  • 5/5Verified client
    “4.8 stars across stores in 6 months.”
    CEOChief Executive, delivery app
  • 5/5Verified client
    “One team, both platforms, half our old budget.”
    CTOChief Technology Officer, retail

FAQ

Questions, answered.

Flutter or React Native?

Existing web stack + hiring decide; we ship both.

When do you go native?

Heavy AR/ML/hardware - Swift or Kotlin modules behind a bridge.

Do you handle store review?

Fully - submissions, rejections, resubmissions until approved.

How does offline work?

Offline-first sync engine with conflict resolution; tested in dead zones.

How do you measure crashes?

Sentry with a contractual crash-free 99.9% budget.

Do you do ASO?

Listing assets + localization add-ons; no black-hat ASO.

Mobile App Development without the guesswork.

One codebase, two stores: Flutter and React Native apps that feel native.