CROSS-PLATFORM APP
DEVELOPMENT

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

A cross-platform app for iOS and Android

Cross-platform development cases

App for moms
MomSmile

A mobile app for expecting and new moms. In one place: a pregnancy calendar, a baby health tracker, an AI consultant and online appointments with specialists.

Calendar, tracker and AI consultant in one app
Round-the-clock AI consultation 24/7
Retention to month two +30%
MomSmile app screen
Messenger
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 fit if you care about:

Speed

You need a fast release of the app on iOS and Android at once.

Savings

You don’t want to pay for two separate iOS and Android teams.

One UX

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

Simplicity

The app has standard functionality, without complex integrations.

Beetrail builds cross-platform mobile apps with AI features inside the product. One product for iOS and Android 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. This gives a business a single mobile product with real AI functionality and predictable timelines. It suits companies that want AI features inside their own mobile product for both platforms.

Who cross-platform development suits

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.

  • A web product already runs

    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 assessment

A free 15-30 min call where we study the task, your processes and data. We assess where AI truly delivers and where it is overkill, and suggest simpler alternatives when they fit.

02

Pilot launch

We assemble a small working version on one of your processes so you see how AI performs on real data before the full build. The pilot cost is credited toward further development.

03

Feature development

We build the full solution on top of the pilot: embed AI into your processes, extend the feature set for real scenarios and test it on your data.

04

Monthly support

We maintain the system after launch: watch AI quality, retrain on new data and grow the feature set as your needs scale.

What our clients say

  • 0:00

    Alexander Konovalov

    Founder "InterPensioner"

    A professional team that is pleasant to work with. They competently solve problems and are focused on results.

  • 0:00

    Egor

    COO "Joboard"

    Convenient application and excellent support. We were completely satisfied with the team's work.

  • 0:00

    Alisher

    YPA "Dala Qyrandary"

    A professional team that is deeply immersed in the task. All stages of work were clear, and we were completely satisfied with the result.

  • 0:00

    Evgeny

    CEO "SiegelAgency"

    Everything was done quickly, qualitatively and in full. Communication with the team was easy and understandable.

  • 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 to create not just an AI chat, but a clear voice assistant with a lively visual identity. The team proposed a solution that covered the MVP goals while leaving room for further product growth and new AI capabilities.

Why choose us for cross-platform development

One codebase

We write one app that builds to both iOS and Android. You make edits once, not twice.

AI-driven development

AI tools speed up code, tests and integrations at every stage — from prototype to release. Faster iterations with no loss of control.

Predictable timeline and budget

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

We keep the product alive after release

We don’t drop the project after the store launch: the same team fixes bugs, ships new versions and keeps the product alive.

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 functionality on both platforms — no “stripped-down” version on either one.

Can AI features be built in?

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

How long does development take?

It depends on the scope of features and integrations. First we break the task down for free on a call, then give a clear estimate of timelines and cost.

Let’s discuss your app

We’ll have a 15-30 min call, assess your project and suggest how to reach both iOS and Android faster without losing quality.