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Mobile App DevelopmentAdvanced14–22 weeks

Mobile App Development

iOS and Android apps for your idea, with shared APIs and store-ready pipelines.

Starting price
Starting at
$9,499

14–22 weeksTypical timeline
30%Deposit to commence
5Defined deliverables

Fixed architecture before build Written change-order process Full IP transfer on final payment 90-day conformance warranty
Overview

What this engagement is

Mobile work fails on the unglamorous parts: offline behaviour, push reliability, store review, release management. Cyntra builds mobile products with those concerns designed in from the start, using a shared API layer so your web and mobile surfaces never drift apart.

Problems this solves

  • An app idea with no way to get it onto people's phones
  • People expecting a mobile experience others in your space already provide
  • An existing app abandoned by a previous developer and unmaintainable
  • Poor connectivity where your app will be used breaking web-only tools
  • No controlled release process for app updates

What is included

Platform strategy (native vs cross-platform) with rationale
UX design against platform interaction guidelines
Cross-platform or native implementation
Offline-first data layer with conflict resolution
Push notification infrastructure
App Store and Play Store submission and review support
Crash reporting and release analytics

Deliverables

01Published iOS and Android applications
02Shared backend API
03Design files and asset library
04Store listing assets and submission documentation
05Release pipeline with staged rollout capability

How we run it

1Platform and scope decision
2UX design and prototype testing
3API contract definition
4Build with internal test builds each sprint
5Device lab QA and beta programme
6Store submission and launch support

Security considerations

  • Secure credential storage in platform keychain
  • Certificate pinning on sensitive endpoints
  • Encrypted local database for offline data
  • Jailbreak/root detection where risk requires it

Optional add-ons

Add-onPrice
Offline sync engine (complex conflict rules)$2,799
In-app purchase / subscription setup$1,599
Tablet-optimised layouts$1,199

Add-ons are quoted alongside the base engagement and confirmed in your proposal before work begins.

Questions about this service

Native or cross-platform?
We recommend based on your requirements. Cross-platform suits most business applications; we go native where heavy device integration, background processing or graphics performance demand it.
Do you handle store submission?
Yes, including account setup, listing assets, review responses and staged rollout configuration.
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Start the conversation

Ready to turn your idea into software that works?

Talk to a senior engineer, not a sales desk. We will tell you honestly whether technology is the right answer — and what it should cost if it is.

Cyntra Technologies LLC · 212 N 2nd St, Ste 100, Richmond, KY 40475

Mobile App Development
From $9,499
Get Access