Google Sign-In, Dark Mode, and Payment History

Day two, and we're already shipping improvements to make your daily experience smoother. Today's update focuses on the things you interact with most: signing in, navigating your supplements, and keeping track of your account.

Sign in with Google

You can now sign in with your Google account in one tap. If you already have a Stack Almanac account with the same email, we'll link them automatically. No duplicate accounts, no lost data.

Dark mode, light mode, or match your system

Stack Almanac now supports three theme options: dark, light, or system. Dark mode uses our signature green-tinted surfaces (not pure black), and light mode uses a warm cream palette. Switch anytime from your account settings.

Payment history and credits

Your account page now shows a full Stripe payment history, so you always know what you've been charged. We've also fixed several issues with the credit purchase flow to make topping up more reliable.

A better way to browse your supplements

The Stack page has been reorganised into three tabs:

• My Supplements: everything you're currently taking
• Routines: saved supplement routines you can activate or adjust
• Shopping: supplements you're considering or want to restock

This makes it much easier to separate what you're actively taking from what you're planning.

Unified notifications

All your alerts (timing reminders, interaction warnings, advisor suggestions) now live in a single notifications tab. No more hunting through different screens to find what needs your attention.

Small but meaningful

These aren't flashy features, but they're the kind of polish that makes a daily-use app feel right. We're building Stack Almanac to be something you actually want to open every morning.

More updates coming tomorrow.