Shift & Stack

About this app

Shift & Stack is a calming blocks sorting puzzle you can play in short breaks or long, zen sessions. Your goal is simple: move the top block, one tap at a time, until every stack is perfectly sorted by color. The challenge is in the planning. One rushed move can trap a color and force you to rethink the whole level. WHY YOU’LL LOVE IT • Easy to learn: tap to pick up and place the top block • Strategy-friendly: no timer, so you can think ahead • Plenty of puzzles: progress from gentle starters to tricky levels • Helpful tools: undo, restart, and optional extra stack when you’re stuck • Satisfying finishes: clean clears and smooth feedback HOW TO PLAY 1) Tap a stack to pick up the top block 2) Tap another stack to place it — only on the same color (and only if there’s space) 3) Win when each stack contains a single color Play to unwind, focus, and challenge your logic — one perfect sort at a time.

This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 16, 2026 · 2:42 PM Free