4.9★ GoodFirms · 600+ clients

    iOS & Android Apps
    Built to Scale From Day One

    Senior mobile engineers helping US founders ship cross-platform apps that perform, convert, and don't need a rebuild in 12 months.

    Only 3 spots available this month·Starts within 1–2 weeks
    1,300+Projects Delivered
    600+Satisfied Clients
    350+In-House Engineers
    4.9★GoodFirms Rating

    ISO 9001 & 27001 certified · NDA on day one · No lock-in contracts

    This Is For You If You're…

    A founder building a mobile-first product or consumer app

    A SaaS company adding iOS/Android to your existing web product

    A team that tried offshore dev and got a slow, buggy app

    A CTO who needs React Native or native iOS/Android expertise fast

    Not a fit if you want a no-code app or a MVP in a weekend — we build production-grade mobile products.

    Mobile Problems We Fix

    App crashes and performance issues that kill your store rating

    Cross-platform fragmentation — feature parity nightmares between iOS and Android

    Slow release cycles blocked by manual QA and no CI/CD

    App Store rejections from policy violations or technical issues

    No push notifications, deep linking, or offline support done right

    Backend APIs not designed for mobile — slow loads, battery drain

    What Clients Say

    4.9★ on GoodFirms · 600+ clients since 2015

    "ByteQuest provided insightful feedback, followed deadlines, and communicated clearly throughout the AI-Powered Predictive Analytics Platform project."

    Fred Lebhart

    Agency Founder & CEO

    efelle creative

    "BYTEQUEST SOFTWARE translated complex design specifications into clean, high-performing, scalable web experiences."

    Micheal Vromans

    Chief Creative Officer

    DPDK Digital Agency

    "ByteQuest Software brought high-level technical expertise and innovation, improving products beyond initial requirements."

    Umaima Ejaz

    Co-Founder

    Your Handle

    How We Build Your Mobile App

    1

    Free mobile app technical review

    We audit your existing app or design spec and flag the real risks before you write a line of code.

    2

    Architecture & tech stack decision

    React Native vs native — we help you pick the right approach for your product and timeline.

    3

    Senior mobile engineers only

    Engineers with App Store launches under their belt — no learning on your project.

    4

    Weekly builds & TestFlight drops

    You test real builds every week — not mockups or Figma screens.

    5

    Ship & iterate post-launch

    We stay with you post-launch — crash monitoring, updates, and feature iteration.

    Why Teams Choose 011BQ

    Senior engineers only

    No juniors, no learning on your dime

    Founder-led delivery

    Shashank personally involved on every project

    Clear timelines & docs

    Scoped milestones, weekly demos, full handover

    US hours overlap

    Eastern & Pacific timezone coverage

    Consistent team

    Same engineers start to finish

    Security & IP protection

    NDA before day one, ISO 27001 certified

    What Mobile Teams Hire Us For

    React Native cross-platform development

    One codebase, iOS + Android, no quality compromise

    Native iOS & Android development

    Swift/Kotlin when performance and platform features matter

    MVP → App Store launch

    Full-stack mobile delivery from design to App Store submission

    Performance & crash fixes

    Diagnose and fix what's killing your store rating and retention

    Common Questions

    3 spots left this month

    Free Mobile App Technical Review

    30 minutes. Honest feedback. No sales pitch.

    Architecture audit
    Stack recommendation
    No sales pressure
    30-day exit clause
    NDA before any discussion
    Senior engineers only