System Design Refresher
Saurabh Sharma Education iPhoneiPadiPod touch
System Design Refresher is a free Education app for iPhone and iPad by Saurabh Sharma. Requires iOS 26.2. Updated June 11, 2026.
- Price
- Free
- on the App Store
- Size
- 18 MB
- Age 4+
- Updated
- Jun 11
- 2026 · v1.6
Screenshots
About System Design Refresher
System Design Refresher is a free study companion for software engineers preparing for system design interviews. WHAT'S INSIDE • 30+ system design articles covering distributed systems, databases, caching, and more • Engineering blogs from top tech companies (Google, Meta, Stripe, Airbnb, and more) aggregated in one place • AI-powered flashcards with spaced repetition • Ask AI to summarize or explain any article in plain language • Favorites, reading progress tracking, and custom RSS feeds FEATURES • Works offline — articles download for reading without internet • Dark mode, font customization, and text size controls • Face ID / Touch ID lock for privacy • Sign in with Google or Apple, or use as a guest with no account required
What’s new
Version 1.6 · Updated June 11, 2026
Bug fixes and improvements
App privacy
The developer, Saurabh Sharma, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Email Address, Name
Used for: App Functionality