CROSS-PLATFORM APP
DEVELOPMENT

One cross-platform app for iOS and Android with AI features built right into the interface. One product, two identical versions with no difference in features between platforms.

A cross-platform app for iOS and Android

Cross-platform app development cases

AIMobile
MomSmile

A mobile app for expecting and new mothers. One place for the pregnancy calendar, the baby’s health tracker, an AI consultant and online appointments with specialists.

Unnecessary clinic visits 70% fewer
AI consultations 24/7
Month-2 retention +30%
MomSmile app screen
Mobile
Bivvy

A mobile messenger: private and group chats, voice and video calls, media sharing. End-to-end encryption and real-time push notifications.

Message delivery <1 sec
Group chat members up to 1000
Media per message up to 100 MB
Bivvy app screen

When to choose cross-platform development

Cross-platform development is a good fit if you care about:

Speed

You need to launch on iOS and Android at the same time.

One team for both platforms

The same team builds and ships both versions, so you fund one team instead of two.

One UX

The same experience for customers with no difference in the interface.

Simplicity

The app needs standard features and no complex integrations.

Beetrail does cross-platform app development for iOS and Android, with AI features inside the product. One product for both platforms is built by a single team using AI tools at every stage — from prototyping and coding to integrations and testing. The in-app AI logic is designed together with the base functionality rather than added later. On MomSmile, an AI consultant runs around the clock, unnecessary clinic visits dropped by 70% and month-2 retention rose by 30%. On the Bivvy messenger, a message is delivered in under a second and group chats hold up to 1000 members. A fit for companies that want AI features in their own app on both platforms at once.

Who cross-platform development is for

An app on Android and iPhone
  • A new product

    A first app for iOS and Android that you need to launch fast.

  • Reaching more users

    You have an iOS version and need Android too (or vice versa).

  • An AI-first product

    AI features are the core of the app on both platforms.

  • You already have a web product

    You have a web platform and customers ask for a mobile version.

  • Frequent updates

    You plan to ship features regularly to both platforms at once.

How we work

01

Free discovery call

A 15–30 minute call where we look at how your work is set up and where time gets lost. We say where AI actually pays off and where it is overkill, and suggest a simpler route if there is one.

02

Pilot

We build a small working version for one of your processes so you see how AI performs on real data before the full build.

03

Full build

We build the full solution on top of the pilot: embed AI into your processes, extend it to cover real-world cases and test it on your data.

04

Monthly support

We look after the system after launch: monitor the quality of its output, retrain it on new data and add features as your needs grow.

What our clients say

  • 0:00

    Dmitry

    Founder, MomSmile

    They understood us from the first word — not as programmers talking to programmers, but as ordinary people. And it was delivered at the price we agreed on from the start.

  • 0:00

    Alexander Konovalov

    Founder, InterPensioner

    A professional team and an easy one to work with. They handle the problems properly and keep their eyes on the result.

  • 0:00

    Alisher

    Head of the Dala Qyrandary movement

    A professional team that really got into the problem. Every stage of the work was clear to us, and the result was exactly what we wanted.

  • 0:00

    Egor

    COO, Joboard

    An app that is genuinely easy to use, and support that is always there. We were completely happy with how the team worked.

  • 0:00

    Evgeny

    CEO, Siegel Agency

    Everything was delivered fast, done well and done in full. Talking to the team was easy and straightforward.

  • Ilya

    Founder, Hedgie: Learn English Grammar

    The team helped turn the Hedgie idea into a clear and engaging product that makes learning grammar easier and more enjoyable. We especially liked how quickly the MVP came together, while still keeping the user experience simple and creating a strong foundation for the app’s future growth.

  • Valery

    Founder, AI Assistant

    The goal was not just another AI chat, but a voice assistant people could understand, with a character that felt alive. The team proposed a solution that met the goals of the first release and still left room to grow the product and add new AI capabilities.

Why choose us for cross-platform app development

One codebase

We write one app that builds to both iOS and Android. An edit is made once and lands on both platforms.

AI-driven development

AI tools speed up coding, testing and integrations at every stage — from prototype to release. Faster iterations without losing control.

Predictable timeline and budget

We agree on the timeline and budget before development starts. You know upfront what you’ll get and when, with no surprise rework or cost creep.

We stay with the product after release

We don’t walk away once it’s live on the App Store and Google Play: the same team fixes bugs, ships new versions and keeps it moving.

Frequently asked questions

Is cross-platform worse than native development?

For most business apps, no. A modern cross-platform stack delivers native-level performance and UX, while a single codebase for both platforms saves time and budget. We recommend native only where it’s genuinely needed.

Will the features be identical on iOS and Android?

Yes. We build one product with the same features on both platforms — no “stripped-down” version on either platform.

Can AI features be built in?

Yes. We design the AI logic as part of the app architecture from the start, so it works the same on both platforms.

How long does cross-platform app development take?

It depends on the scope of features and integrations. We break the problem down for free on a call, then give you a clear estimate of timeline and cost.

Let’s discuss your app

We’ll get on a 15–30 minute call, look at your project and show you how to ship on both iOS and Android faster without cutting quality.