.NET MAUI app
SpenIt
A cross-platform .NET MAUI expense tracker for Android and iOS, built around daily logging, summaries, and AI-assisted saving insights.
Faizal M. Zain
Contact
Personal side projects
Android, AI, privacy, and home automation experiments.
I am Faizal M. Zain, a developer building practical tools in my spare time. This is a small index of the apps and systems I keep shaping after hours.
Current work
Projects
Home lab
Home Assistant
My private smart-home and home lab setup for automation experiments, device control, and day-to-day routines.
Native Android app
SpenitAICore
A Kotlin and Jetpack Compose finance app that uses Google AICore, Gemini Nano, and ML Kit for on-device receipt and payslip scanning.
Native Android and iOS apps
Kryptos
A zero-knowledge personal vault for sensitive documents, private notes, cards, expiry reminders, and encrypted backup, built natively with Kotlin for Android and Swift/Xcode for iOS.