Services
11.1Service

Flutter mobile app development

I’m Felice Zingaro, a Flutter developer based in Andria, in southern Italy. I design and build iOS and Android apps from a single codebase, together with the backend and integrations they need, and see them through to store release. I work remotely with clients across Italy and abroad.

The problem

A native iOS app and a native Android app are two codebases to write and maintain. With Flutter there is one app. But the app is only the visible part: behind it there is almost always a backend, payments, notifications and a dashboard where the people running it manage content and users.

How I work

  1. AnalysisWhat the app must do, for whom, with which screens, and what it needs behind it: backend, payments, integrations with systems that already exist.
  2. App developmentA single Flutter codebase for iOS and Android, and for the web when a dashboard is needed.
  3. Backend and integrationsAPIs and databases, sign-in with email, Google or Apple, Stripe or PayPal payments, push notifications, real-time data over MQTT, links to WooCommerce.
  4. ReleasePreparing and submitting to the App Store and Google Play.
  5. MaintenanceUpdates for new iOS and Android versions, fixes and new features.

Time and cost

Every project gets its own estimate. Time and cost depend mainly on:

  • how many screens and features the app has;
  • whether it needs a new backend or connects to existing systems, such as an online store or ERP;
  • payments, notifications, Google or Apple sign-in, real-time features;
  • whether a web dashboard is also needed for managing content and users;
  • maintenance after release.

Reference projects

FZ-044App · 2026

We Ride

An app for motorcyclists. It records rides, shows the group's live positions on the map and keeps the garage, maintenance and clubs in one place.

Flutter · FastAPI · PostgreSQL · MQTT (EMQX) · Firebase Auth · React

FZ-031App · 2023

Timeout Palestra

The platform for the Timeout gym. An iOS and Android app with workout plans, exercise videos, diets and personal-trainer bookings, plus a dashboard for the staff.

Flutter · Node.js · Express · MongoDB · Firebase · Stripe · Docker · Traefik · GitLab CI/CD

Timeout Palestra – The Timeout app home with plans, free training and account
FZ-019App · 2022

AcquistApp

A multi-vendor marketplace for neighbourhood shops, with search by distance within 50 km, Stripe and PayPal payments and a web app to run it.

Flutter · Stripe · PayPal · Google Maps

The AcquistApp app on a phone
FZ-020App · 2022

Pontelama Sports Centre

App and dashboard for a sports centre: padel and five-a-side court booking, finding opponents by level, a chat for every match and a merchandise shop.

Flutter · WooCommerce

Pontelama Sports Centre – The Pontelama app on a phone

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PDF, in Italian