Curated for Duo developers

Recommended tools

Building for the iPhone Duo takes more than the simulator β€” you need a backend, CI, crash reporting, and a Mac that can run it all. These are the services we'd recommend to a fellow iOS developer.

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🌊 DigitalOcean

Simple cloud hosting for your app's backend API. App Platform deploys straight from GitHub β€” no DevOps team required. New accounts get credit to start.

Try DigitalOcean β†’

🧰 Setapp

One subscription for 240+ Mac apps, including dev utilities, Git clients, and API tools. Cheaper than buying them one by one.

Try Setapp β†’

πŸ’» Mac hardware (Amazon)

Xcode 27.1 beta and the Duo simulator want Apple Silicon and RAM. A MacBook Pro or Mac mini with 24GB+ keeps builds and the simulator smooth.

Shop Macs on Amazon β†’

πŸ”¨ Bitrise

CI/CD built for mobile. Build, test on multiple simulator configurations (open + closed Duo states), and ship to TestFlight automatically.

Try Bitrise β†’

πŸ’³ RevenueCat

In-app purchases and subscriptions without the StoreKit headache. If your Duo app monetizes, this saves weeks.

Try RevenueCat β†’

πŸ› Sentry

Crash reporting and performance monitoring for iOS. Foldable-specific layout bugs are exactly the kind of thing you want stack traces for.

Try Sentry β†’

Why these?

Every tool above solves a real problem in shipping a Duo-ready app: hosting the backend, automating builds across both device states, handling payments, and catching the crashes your users will hit on day one. We only list tools we'd use ourselves.