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PurchaseKit - In-app purchases for Hotwire Native

PurchaseKit is FREE for up to 10 paying customers. $99/mo after that. Sign up in January and I'll personally help you get set up. I'm really proud of how this turned out! Check it out: purchasekit.dev

purchasekit.dev

Keep subscription logic in Rails, not Apple or Google. Bridge components handle the native side, you write ERB.

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Here's how it works: 📱 Native bridge components handle StoreKit and Play Billing 🔀 Apple and Google webhooks are normalized to 4 events 💎 It works with the Pay gem or your own models 🛤️ And your subscription logic and records stay in Rails

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PurchaseKit gives you drop-in native components for iOS and Android. No Swift. No Kotlin. And your paywall is just ERB. purchasekit.dev

Screenshot of some ERB code rendering HTML to generate a paywall for iOS and Android apps powered by Hotwire Native.

Joe Masilotti @joemasilotti.com · 31/12/2025

Adding in-app purchases to a Hotwire Native app is painful. StoreKit. Play Billing. Two platforms, two languages, two approaches. Then webhooks from both stores. Different formats, different signing. 😫 So I fixed it.

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I'm trying something new… need to add in-app purchases to your Hotwire Native app? 👉 purchasekit.dev

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Brad Gessler @bradgessler.com · 27/11/2025

I collected all Ruby Black Friday deals I could find & posted them in one spot. Highlights include: $130 off @beautifulruby.com Phlex on Rails course $81 off @gorails.com annual subscription +20% @joemasilotti.com Hotwire native content Lots of @pragprog.com deals Enjoy! 🦃🔥💰

beautifulruby.com

2025 Ruby Black Friday Deals

Save money on Ruby books, courses, and software

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Joe Masilotti @joemasilotti.com · 22/10/2025

Coming tomorrow: my most in-depth article yet. 2,000+ words on handling Hotwire Native authentication across web, iOS, & Android. All without writing tons of native code or adding new API endpoints. Launches tomorrow to paid subscribers. Full code, too. open.substack.com/pub/joemasil...

open.substack.com

Hotwire Native deep dive: Authentication

How to handle authentication across web, iOS, and Android. All without writing tons of native code or adding new API endpoints.

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Joe Masilotti @joemasilotti.com · 21/10/2025

In theory, you could use Hotwire Native for some configuration screens when the launcher is launched. But for the actual home launcher functionality you need to build it fully native.

Joe Masilotti @joemasilotti.com · 03/10/2025

I think newsletters + good ol' fashioned email is the answer. I'm currently trying to get my followers and community over to my Substack, where making connections and communicating with each other is easy. And from there to something owned.

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Joe Masilotti @joemasilotti.com · 29/09/2025

Definitely possible! You could build a bridge component that fires a request to the model and then write the response back to the HTML.

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Michael Fazio @mfazio.dev · 25/09/2025

Hey @joemasilotti.com, it's here! Congrats on the physical release, and again, well done on the book. It's a good one!

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Joe Masilotti @joemasilotti.com · 26/09/2025

Wahoo!! Thanks so much :D

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David Hill @davidhill.dev · 11/09/2025

Finally have my physical copy of this book! Can’t wait to dive into it! @joemasilotti.com

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jamie @jamie.ideasasylum.com · 06/09/2025

Some light reading for the flight home from #RailsWorld @joemasilotti.com

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Joe Masilotti @joemasilotti.com · 20/08/2025

It's here folks, it's finally here!!

Joe Masilotti holding up a copy of his book, in print, "Hotwire Native for Rails Developers".

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Joe Masilotti @joemasilotti.com · 19/07/2025

Welcome Ufuk! I didn't get a chance to say hi at RailsConf but would have love to meet next conference. :)

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Joe Masilotti @joemasilotti.com · 25/05/2025

Ever run into this issue in your Hotwire Native app? It kinda kills the "native" vibe when the web view peeks through the native bars. Lucky for us, the fix is two lines of code! masilotti.com/hotwire-nati...

masilotti.com

Opaque navigation and tab bars in Hotwire Native – iOS | Masilotti.com

A two-line fix for web content rendering

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Vienna.rb @ruby.wien · 22/05/2025

What's hiding in these envelopes? 🤔 Just a little something in store for the next meetup on June 5th. Come join the fun! Huge thank you to @rubycentral.org , @gorails.com, @joemasilotti.com and @andycroll.bsky.social for being such awesome and generous members of the Ruby community! 🫶

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The Pragmatic Bookshelf ✅ @pragprog.com · 25/04/2025

Spring Best Sellers Sale Week 3 - The Red Carpet - ♥️ Ruby/Rails ♥️ 40% Off – This Week Only! Code: 2025RAILS at checkout pragprog.com/titles/... by @joemasilotti.com

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Joe Masilotti @joemasilotti.com · 09/04/2025

Celebrate 200+ stars, I'm excited to share my new library. 📲 Bridge Components for Hotwire Native apps • 13+ components • iOS and Android support • Example iOS, Android, and Rails apps • Full source code Copy-paste into your app and wire up the HTML! github.com/joemasilotti...

Screenshot of iOS and Android simulators showing native components on Hotwire Native apps, powered by bridge components.

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The Pragmatic Bookshelf ✅ @pragprog.com · 27/03/2025

Ask @joemasilotti.com ... How does my web app suddenly get native look and feel? Joe's book: pragprog.com/titles/...

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Joe Masilotti @joemasilotti.com · 09/03/2025

The "from" addresses are all legit. It seems like someone/thing threw my email in every newsletter subscription box that exists.

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Joe Masilotti @joemasilotti.com · 09/03/2025

I think I'm getting mail bombed to try and hide the alerts from my bank.

Joe Masilotti @joemasilotti.com · 08/03/2025

I woke up this morning to 600+ emails to be screened in and a notification from my bank that I was locked out of my account. Not entirely sure what's going on yet. But it doesn't seem good.

Joe Masilotti @joemasilotti.com · 24/02/2025

Turbolinks iOS v1.0.1 was released in March 2016! github.com/turbolinks/t...

github.com

1.0.1 · turbolinks/turbolinks-ios@93ce008

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The Pragmatic Bookshelf ✅ @pragprog.com · 19/02/2025

Ask Joe Masilotti... More Hotwire Native answers with author of best seller: pragprog.com/titles/jmnat... @joemasilotti.com chats with @pragdave.bsky.social

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Joe Masilotti @joemasilotti.com · 19/02/2025

Big things are coming to the Hotwire Native demo site! Follow along on GitHub: github.com/hotwired/hot...

Screenshot of a pull request on the Hotwire Native demo site, showing three tabs from the iOS app.

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The Pragmatic Bookshelf ✅ @pragprog.com · 17/02/2025

Author of best seller: pragprog.com/titles/jmnat... @joemasilotti.com talks with @pragdave.bsky.social about Hotwire Native...

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The Pragmatic Bookshelf ✅ @pragprog.com · 17/02/2025

PragProg BestSellers This Week pragprog.com/best_sellers/ #1. Ash Framework #2 Hotwire Native for Rails Devs #3 Engineering Elixir Applications Congratulations: @sevensea.cat @zachdaniel.dev @joemasilotti.com Ellie Fairholm, Josep Giralt D'Lacoste and the rest of our amazing authors!

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Joe Masilotti @joemasilotti.com · 06/02/2025

Did you know you can read most of chapters 1, 2, and 5 of my book… for free? Click the excerpt link next to the table of contents! pragprog.com/titles/jmnat...

pragprog.com

Hotwire Native for Rails Developers

Leverage your existing Rails codebase to build iOS and Android apps with Hotwire Native – no Swift or Kotlin experience necessary.

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Joe Masilotti @joemasilotti.com · 26/01/2025

Ohhh lovely! How can I stay up to date on this? I'd love to include a reference in my book if possible.

Hotwire Native for Rails Developers

You can grab your copy of the book today on The Pragmatic Bookshelf website. The last two chapters and updates will be delivered every two weeks until the final release later this year. pragprog.com/titles/jmna...

pragprog.com

Leverage your existing Rails codebase to build iOS and Android apps with Hotwire Native – no Swift or Kotlin experience necessary.

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What’s next? Two more chapters are still in the works: • Deploy to physical devices with TestFlight and internal testing • Send push notifications with APNS and FCM

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Chs 7 + 8 - Build bridge components with Swift and Kotlin Bridge components — previously "Strada" — are tiny enhancements that blend web and native functionality. By the end of these chapters, you’ll know how to build dynamic, native components controlled by HTML and JavaScript.

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Chs 5 + 6 - Render native screens with SwiftUI and Jetpack Compose These chapters show you how to build fully native screens powered by SwiftUI and Jetpack Compose. You’ll be able to integrate virtually any native experience into your Hotwire Native apps.

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Ch 4 - Add a native tab bar Tab bars are a staple of native apps. In this chapter, you’ll learn how to add them to your Hotwire Native apps, connecting each tab to its own web view instance. Plus, you’ll ensure your server isn’t overloaded when the app starts.

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Ch 3 - Navigate gracefully with path configuration Path configuration is one of the most powerful—and sometimes confusing—features of Hotwire Native. This chapter demystifies it, showing you how to use it to present forms as modal screens (sliding in from the bottom).

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Ch 2 - Control your apps with Rails Learn how to drive your mobile apps entirely through Rails code without touching native code. You’ll customize the native title bar, apply conditional styles, and keep users signed in seamlessly.

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Ch 1 - Build your first Hotwire Native apps This chapter introduces Hotwire Native and helps you set up your local development environment. By the end, you’ll have basic hybrid apps running on iOS and Android, powered by your Rails backend.

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