Sean Allen

@seanallen_dev
805 Followers
92 Following
208 Posts
I create content to help iOS developers level up their skills.
YouTubehttps://youtube.com/seanallen
iOS Dev Courseshttps://seanallen.teachable.com
Xhttps://x.com/seanallen_dev
Learn the ConcentricRectangle API in SwiftUI to easily get that satisfying nested corner radius. New video out now - https://youtu.be/C0wu_dAQqAk

The final Swift News episode of 2025 is out now.

- Bleeding Edge AI Work
- What's New in Swift
- December 2025
- F***king Approachable Swift Concurrency
- Swift Concurrency Migration
- New Apple Ads Placement

Video - https://youtu.be/4c_1Tebf3PM

New video out on YouTube. How to create great looking App Store screenshots fast and easy (especially if you're NOT a designer).

Video - https://youtu.be/-7YHPpqaVFY

New Swift News out now!

- 2025: The Year SwiftUI Died
- Liquid Glass design tips
- Optimize your app's performance
- Swift Student Challenge
- Challenges of indie dev life
- 100 indie app tips

Video - https://youtu.be/EIsrS4bvWPQ

New episode of Swift News out now on my YouTube channel.

- Swift SDK for Android
- RevenueCat Shipaton winners
- App Growth Annual Conference videos
- SwiftUI scroll performance
- Foundation Models Q&A
- iPhone 17 screen sizes
- SwiftUI Text concatenation deprecation

Video - https://youtu.be/YCRvVfDGQuY

🚨 Black Friday sale is live! All iOS dev courses, source code, and coaching calls are 30% off at seanallen.teachable.com.

If you've enjoyed my courses in the past, RTs are appreciated :)

11 new videos will soon be added to the Portfolio Piece course for the iOS 26 update.

This is the biggest update I've ever done for a course and it's FREE if you already own the course.

https://seanallen.teachable.com/p/portfolio-project

The FREE iOS 26 update to the Portfolio Piece course (SwiftUI, HealthKit, Charts, GitHub) is ready to film.

New for iOS 26:

1. Liquid Glass: Backward Compatibility
2. Liquid Glass: Charts & Background
3. Liquid Glass: Toolbars & Sheets
4. Swift 6.2 Concurrency: MainActor default
5. Foundation Models: Intro
6. Foundation Models: Setup & Availability
7. Foundation Models: Business Logic
8. Foundation Models: Streaming UI
9. Icon Composer
10. Final PR and Updated ReadMe

https://seanallen.teachable.com/p/portfolio-project

Updating the Portfolio Piece Course (SwiftUI, HealthKit, Charts, Source Control) for iOS 26.

- Liquid Glass UI
- Foundation Models Intro
- Backwards compatibility
- Icon Composer

Available as a FREE update in about a week or two.

https://seanallen.teachable.com/p/portfolio-project

- Apple just released Custom Product Pages for ORGANIC search.
- It's a huge deal.
- You WILL increase conversions by adopting them.

In today's video I show you how - https://youtu.be/74QSJDdGY3o