India-built AI & blockchain engineering since 2017 · Serving clients worldwide

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Android App Development

Android app development services using Kotlin and Jetpack Compose for consumer apps, field tools, fintech and device-connected products. We explain what we build, how we architect and test Android apps, how we handle device fragmentation and release, and when native Android is better than a cross-platform framework.

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  • Prototype in weeksProof before big budgets
  • Weekly demosSee progress, not slides
  • You own the codeFull IP assignment
  • 128+ engineersFive offices, three continents

What we build for Android

Native Android work covers consumer apps, delivery and field-service tools, banking and wallet apps, camera and media apps, and companions for Bluetooth or IoT hardware. Kotlin is the primary language, with Jetpack Compose for interfaces. Native development pays off when an app depends on background work, sensors, Bluetooth, NFC, camera pipelines, widgets or deep system integration that cross-platform layers expose only partially.

We also support the surrounding product: a back end API, push notifications through Firebase Cloud Messaging, analytics, remote configuration and crash reporting with Crashlytics. For aging apps in Java or XML layouts, we modernize gradually, writing new screens in Compose and converting old ones when they next change. Behavior is covered by tests first, because rewriting everything at once rarely pays.

Architecture, quality and device reality

We follow Google's recommended architecture: a UI layer with ViewModels and state flows, a domain layer where logic is complex, and a data layer with Room, Retrofit or Ktor, and repositories. Hilt handles dependency injection, Coroutines and Flow handle asynchronous work, and WorkManager handles reliable background tasks. Modularising by feature speeds builds and keeps teams from stepping on each other.

Android runs on thousands of device models, screen sizes and OS versions, so we define a minimum supported version from your audience data, test on a device matrix through Firebase Test Lab or similar, and handle foldables and tablets deliberately. Battery limits, doze mode and permission changes break background features silently, so those get explicit tests. Unit tests, Compose UI tests and Baseline Profiles help quality and start-up speed.

Native Android or cross-platform?

Choose native Android when performance, hardware access or platform polish decides success, or when Android is your main market, as it is in many regions. Choose Flutter or React Native when you need iOS and Android from one team and the app is mostly forms, lists and content. Kotlin Multiplatform sits between, sharing business logic while keeping native interfaces on each platform.

Release is its own workstream: signed app bundles, Play Console tracks, staged rollouts, target SDK deadlines and data-safety declarations. We prepare these early so store review does not delay launch. AI helps with boilerplate generation, test drafting and on-device features, and we treat any model-powered feature with attention to privacy, offline behavior and cost per request. We document the trade-off for your team so the decision can be revisited later with facts.

What we do

What our Android App Development team delivers

Specific work we do for clients, with the senior people who do it.

  • Kotlin app development

    Production Android apps with Compose interfaces, clean architecture, offline support and automated tests, delivered with weekly demos on real devices.

  • Hardware-connected apps

    Bluetooth Low Energy, NFC and sensor integrations for wearables, scanners and IoT products, with careful handling of permissions and reconnection.

  • Java to Kotlin modernization

    Gradual conversion of legacy Java and XML apps to Kotlin and Compose, with behavior locked down by tests before changes.

  • Fintech and wallet apps

    Secure Android clients with biometric authentication, certificate pinning, root-aware safeguards and clean integration with payment back ends with documentation your own engineers can extend later.

  • Play Store launch support

    Signing, release tracks, staged rollouts, data-safety forms and target SDK updates handled as a planned part of delivery.

  • Android performance tuning

    Start-up, memory, battery and rendering analysis using profilers and Baseline Profiles on mid-range devices, where problems show first.

Why Speqto

A team you can rely on from the first call

The habits that keep projects calm: clear scope, visible progress and engineers who stay accountable.

  • Building since 2017

    Nine years of shipping web, mobile, AI and blockchain products for startups and enterprises.

  • 128+ engineers

    A bench of senior engineers, designers and QA, so one person leaving never stalls your product.

  • Offices on three continents

    Noida HQ with teams in Surat, London, the US and Ho Chi Minh City for overlapping working hours.

  • AI-first workflow

    AI-assisted coding, testing and reviews speed delivery, with a named human accountable for every merge.

  • Weekly demos

    You see working software every week and can redirect early, long before a release surprise.

  • You own everything

    Full IP assignment, repository access from day one and an NDA before we talk details.

How we deliver

A proven process from idea to scale

Transparent, agile delivery with weekly demos and clear milestones, so you always know what is shipping and why.

  1. 01

    Discover

    Workshops to understand goals, users, data and success metrics.

  2. 02

    Plan

    Architecture, roadmap, estimate and a team shaped to your needs.

  3. 03

    Design

    UX flows, prototypes and technical design validated with stakeholders.

  4. 04

    Build

    Agile sprints with weekly demos, code reviews and automated testing.

  5. 05

    Launch

    Secure deployment, monitoring and a smooth go-live.

  6. 06

    Scale

    Ongoing optimization, new features and support as you grow.

Technology

Tools and platforms for Android App

The stack our engineers use on this kind of work every week.

  • Kotlin
  • Jetpack Compose
  • COCoroutines
  • FLFlow
  • HIHilt
  • RORoom
  • RERetrofit
  • WOWorkManager
  • Firebase
  • GRGradle
  • JUnit
  • FIFirebase Test Lab
Outcomes

What you can expect

Every engagement is tied to measurable business results, not just deliverables.

01

Smooth, native experience

Platform conventions, background handling and hardware access behave as Android users expect across the life of the product, not just launch day.

02

Fewer device-specific failures

A defined support matrix and real-device testing reduce crashes on the phones your customers actually use.

03

Predictable releases

Planned store requirements and staged rollouts avoid last-minute rejections and limit the impact of bugs.

Engagement models

Work with us the way that suits you

Start small, change the shape later. Every model includes weekly demos and full IP ownership.

Dedicated Development Team

Long-term products & roadmaps

A full, cross-functional squad (engineers, QA, designer, PM) working only on your product, managed with your processes and tools.

  • Scale up or down with 30 days notice
  • Overlap with your working hours and daily stand-ups
  • Direct access to every team member
Learn more

Staff Augmentation

Filling skill gaps fast

Pre-vetted senior engineers who join your in-house team within days to add capacity or specialist expertise.

  • Profiles shared within 48 hours
  • Flexible monthly contracts
  • Replacement guarantee
Learn more

Fixed-Scope Projects

MVPs & well-defined builds

A clear scope, timeline and price, delivered in milestones with demos at every stage.

  • Detailed estimate after discovery
  • Milestone-based billing
  • Warranty period after launch
Learn more

Managed Services

Ongoing support & operations

We run and continuously improve your applications, cloud and infrastructure under defined SLAs.

  • 24/7 monitoring options
  • Monthly reporting and reviews
  • Predictable monthly pricing
Learn more
Selected work

Products we have built

Real products shipped by our teams across fintech, Web3, AI and consumer apps.

Gameree product screenshot NFT

Gameree

Gameree is a decentralized marketplace for buying, selling and trading non-fungible tokens (NFTs) with a gaming focus.

  • React
  • Three.js
  • Node.js
  • Express
4 Months · 10 Members Global Forex Funding product screenshot Web Development

Global Forex Funding

Prop Funders is a forex prop trading firm providing a simulated environment for traders to refine skills and earn up…

  • React
  • Node.js
  • Express
  • Web3
2 Months · 5 Members Imbue product screenshot Tools and Platform

Imbue

IMBUE is a decentralized video streaming platform that runs on the Polygon network.

  • React
  • Node.js
  • Express
  • Python
5 Months · 10 Members

See all projects

Industries

Sectors we know well

Domain context shortens discovery and avoids costly rework.

FAQ

Android App Development FAQs

Straight answers on cost, timelines, IP ownership, team setup and how we work. Cannot find yours? Ask a solutions architect directly.

Ask a question Chat on WhatsApp
Should we build native Android or use Flutter?

Go native when you need deep hardware access, top performance or platform-specific behavior, or when Android is your main audience. Use Flutter or React Native when one team must cover both platforms and the app is mostly standard screens.

Do you still support Java Android apps?

Yes. We maintain Java and XML-based apps and modernize them gradually. New screens go in Kotlin and Compose, while stable old screens can stay until they need changes. Tests come first so the conversion does not alter behavior.

How do you handle so many Android devices?

We set a minimum OS version from your analytics, test on a representative device matrix including low-memory phones, follow adaptive layout guidance for tablets and foldables, and monitor crashes by device and version after release.

What does Play Store publishing involve?

An app bundle signed with Play App Signing, store listing assets, a privacy policy, data-safety and content declarations, and compliance with the current target SDK requirement. We prepare these in parallel with development and use staged rollouts.

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Client reviews

Rated 5.0/5 by clients on Clutch

Independent, verified reviews from founders and technology leaders we have worked with. Read them in full on each platform.

Clutch 5.0 12 reviews Google 4.4 43 reviews Techreviewer 4.9 20 reviews DesignRush 4.5 2 reviews Upwork 4.9 124 reviews GoodFirms 5.0 1 review Glassdoor 4.1 49 employee reviews

“What I found most impressive about Speqto Technologies was their profound technical depth.”

Andrea Daminelli Founder & Co-CEO, Daze Milan, Italy · Blockchain development for an EV charging company
Verified review on Clutch

“The project management throughout this complex undertaking was exceptionally proactive and structured.”

Rostyslav Burylo CEO, Lynksen Lisbon, Portugal · Blockchain development
Verified review on Clutch

“Their ability to translate complex cryptographic concepts into actionable, business-aligned strategies set them apart.”

Oleksandr Sendulskyi Senior Marketing Manager, BINTIME IT Company Ukraine · Blockchain development services
Verified review on Clutch

See all reviews

Have an AI idea or a product to build? Let’s talk.

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  • NDA on request, before we talk details
  • Estimate within 3–5 business days
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