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
Mobile
12 min read
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.
Mobile
12 min read
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.
Mobile
12 min read
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.
Web
14 min
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.
Mobile
11 min
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.
Mobile
12 min
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.
Mobile
11 min read
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.
Mobile
12 min read
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).
Mobile
16 min read
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.
Mobile
14 min read
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.
Mobile
12 min read
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.
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