Learn how to bypass Safari's limitations and master service workers to build Progressive Web Apps that rival native iOS performance and reliability.

It’s all about moving from a 'website' mindset to an 'offline-first' philosophy. Using a 'Cache-First' strategy for your versioned assets means the app doesn't even look at the network; it just serves it from the cache in 5 to 20 milliseconds.
Creato da alumni della Columbia University a San Francisco
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
Creato da alumni della Columbia University a San Francisco

Lena: You know, Miles, I was trying to log a morning run the other day while I was out in the hills with zero bars, and my app just... died on me. It’s so frustrating when you realize your "mobile" app is actually tethered to a server.
Miles: Exactly! And that’s the big hurdle for PWAs. But here’s the wild part: did you know that 68% of PWAs actually outperform their native iOS and Android equivalents in terms of speed?
Lena: Wait, really? Even on an iPhone? Because usually, that's where things get tricky with Safari's limitations.
Miles: It is tricky, especially with that 50MB cache cap Apple enforces. But if you get the architecture right—using things like the App Shell model and service workers—you can make a PWA feel just as robust as anything from the App Store.
Lena: That’s exactly what we’re tackling today. We’re going to look at the specific checklist for making a PWA truly "iOS-grade," from handling those manual installation prompts to setting up background sync so your data actually saves when you're offline.
Miles: Right, it’s all about moving from a "website" mindset to an "offline-first" philosophy. Let's explore how to build that foundation.