Voltidia
Released Nov 2026 · iPhone, iPhone Duo, Apple Watch
The battery, the charging and the costs of your Renault group electric car.
We design, build and look after our own apps, for the people who use them every day.

iPhone · iPhone Duo · Apple Watch
VoltidiaThe battery, the charging and the costs of your Renault group electric car.

iPhone · iPad · iPhone Duo
MLX BenchmarksHow fast language models run on your iPhone, iPad and Mac, measured the same way on every device.

iPhone · iPad · iPhone Duo
Prezzi CarburanteFuel prices at the stations near you, from the Italian ministry’s open data.

iPhone · iPad · iPhone Duo · Mac · Apple Watch
GradeRide real roads on your smart trainer. Bring a GPX or a FIT, or record the road yourself.
What we learn making our own apps is available to companies and startups.
Idea, strategy and business model, before writing any code.
Native apps in Swift and SwiftUI, from scratch or starting from yours. No cross-platform frameworks.
Swift and SwiftUI courses and workshops for your team, from the basics to the architecture of an app.
VoiceOver, Dynamic Type and increased contrast are part of the design from the first sketch.
From the idea to the App Store, with the same rules we follow for our own apps.
Tell us about your projectTestFlight, App Store review and updates for every new version of Apple's systems.







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Sofapps was born in Catania, a stone's throw from the most famous volcano in Europe. Behind every app is the person who thought of it and still looks after it.
Costantino Pistagna is a software architect and consultant. One of the first teachers of Apple's iOS Developer Academy in Europe, he has been building for the Apple world since the first iPhone was born in 2009. When he is not writing apps, he loves making sushi and travelling with his wonderful family.

News and stories from the Apple world, a new episode every week, in Italian. 208 episodes.