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Anna Kowalski, YuSMP Group

Anna Kowalski

Senior Mobile Engineer, YuSMP Group

Anna Kowalski covers mobile engineering for the YuSMP Group blog — React Native, Flutter and native iOS/Android — including the platform and framework trade-offs founders weigh before a build.

  • Born1991
  • LocationWarsaw
  • Experience10 years
  • SpecializationReact Native, Flutter, native iOS & Android
  • EducationMSc Computer Science, Warsaw University of Technology

Senior Mobile Engineer · 11 articles

A mobile engineer building an iPhone app at a dual-monitor desk with app wireframes and Swift code on screen Mobile 12 min read
iOSSwift

iOS Software Development: Cost, Stack & Process (2026 Guide)

How iOS software development works in 2026 — the Swift and SwiftUI stack, the best development software, real cost and timeline ranges, and how to choose an iOS development company.

2026-07-25 Read article →
A mobile engineer building an Android app at a dual-monitor desk with app wireframes and code on screen Mobile 12 min read
AndroidKotlin

Android Software Development: Cost, Stack & Process (2026 Guide)

How Android software development works in 2026 — the Kotlin and Jetpack Compose stack, the best development software, real cost and timeline ranges, and the build process.

2026-07-22 Read article →
One cross-platform app UI running on a phone, laptop, tablet and monitor at once Mobile 12 min read
Cross-platformFrameworks

What is cross-platform software development?

How one shared codebase reaches iOS, Android, web and desktop — how it works, the top 2026 frameworks, cost savings and when it beats native.

2026-07-13 Read article →
Progressive Web Apps in 2026: Build Guide Web 14 min
PWAMobile Web

Progressive Web Apps in 2026: Build Guide

Build a Progressive Web App in 2026 — service workers, caching, manifest, push, offline, and iOS vs Android limits.

2026-06-08 Read article →
Digital Wallet App Development Guide Mobile 11 min
Digital WalletFinTech

Digital Wallet App Development Guide

How to build a digital wallet app — stored balance, card tokenization, P2P transfers, top-up, KYC, NFC/contactless, security, cost and timeline for US and EU.

2026-05-21 Read article →
Last-Mile Delivery App Development Mobile 12 min
Last-MileLogistics

Last-Mile Delivery App Development

How to build a last-mile delivery app in 2026 — the platform anatomy (customer, courier, dispatch), core features, cost and timeline, tech stack, and how to choose a partner.

2026-04-25 Read article →
How long it takes to build a mobile app in 2026 Mobile 11 min read
Timeline Process

How long to build a mobile app? (2026)

A realistic stage-by-stage timeline — discovery to launch. Why most apps take 3-6 months, per-stage durations, App Store/Google Play review times, and what speeds it up.

2026-01-31 Read article →
Native vs cross-platform app development 2026 Mobile 12 min read
Native Cross-platform

Native vs cross-platform (2026)

Performance, cost, code reuse and team fit — a senior mobile engineer's framework for choosing native (Swift/Kotlin) vs cross-platform (React Native, Flutter, KMP).

2025-12-30 Read article →
On-device AI in mobile apps Mobile 16 min read
On-device AI Privacy

On-device AI in mobile apps (2026)

The 2026 trend that's everywhere: AI that runs on the phone — private, offline, no per-request cost. Apple Intelligence, Gemini Nano, Core ML, LiteRT. On-device vs cloud, cost, GDPR & the EU AI Act.

2025-11-27 Read article →
React Native vs Flutter 2026 comparison Mobile 14 min read
Cross-platform Frameworks

React Native vs Flutter in 2026

Performance-tested comparison of RN (New Architecture, Fabric, Hermes) and Flutter (Impeller, Dart 3.6) — hiring, time-to-market, App Store & Google Play maturity, GDPR/CCPA fit. With a decision matrix.

2025-10-26 Read article →
iOS vs Android: which platform to launch first in 2026 Mobile 12 min read
Strategy iOS / Android

iOS vs Android: which platform to launch first

Data-driven framework for iOS-first or Android-first in 2026 — US & EU market share, ARPU, App Store and Google Play review timelines, EU DMA sideloading, and platform TCO.

2025-09-03 Read article →

All articles →

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