Daisuke Adachi

NativeAppTemplate 2.0 - Native iOS + Android + Rails boilerplate, now open source

Most boilerplates pick one platform. We pair true native iOS (SwiftUI) + Android (Compose) with a Rails 8.1 API — three platforms, one stack. What's new in 2.0: the Rails API is now fully open source (MIT), plus iOS 26 + Liquid Glass support, Claude Code-ready CLAUDE.md guidance, Rails 8.1 upgrade. Stand-out: true native (not RN/Flutter), pay-once (no subscription), production-tested (extracted from a live App Store/Play Store app), free OSS clients to evaluate.

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Daisuke Adachi
Hi Product Hunt! 👋 One year ago I launched NativeAppTemplate — a boilerplate that pairs true native iOS (Swift/SwiftUI) and Android (Kotlin/Compose) clients with a Rails API backend. Today I'm relaunching with the biggest update since v1: 🎉 The API backend is now fully open source (MIT) — https://github.com/nativeapptemp... What's new since last year: 🍎 iOS 26 + Liquid Glass design — first-class support for Apple's new design language 🤖 Claude Code ready — CLAUDE.md guidance files in every repo for AI-assisted development 🔓 Open-source API — Rails 8.1, PostgreSQL, multi-tenancy, 205 tests 🔒 Hardened security — Brakeman 7.1.2, mass-assignment protection, full audit ⚙️ Rails 8.1 upgrade — Solid Queue/Cache/Cable What you get: • Free iOS + Android clients (open source) • Open-source Rails 8.1 API • Optional paid clients with multi-tenancy, user invitations, role-based access, org switching • Production-tested code extracted from MyTurnTag Creator (https://myturntag.com), live on the App Store and Google Play Why this matters in the AI era: Anyone can prompt their way to a basic CRUD app. What's harder to replicate is production-tested code that's continuously maintained across Swift, Kotlin, and Rails version upgrades. That's what NativeAppTemplate gives you. Free to try; paid plans for solo developers and teams (25 seats). Happy to answer any questions! 🙏