About this app
Seven disks. Three poles. A classic puzzle with a simple rule and a thoughtful challenge. Move all seven disks from the left pole to the middle. Move only one top disk at a time, and never place a larger disk on a smaller one. Can you finish in the minimum 127 moves? • Drag a disk, or select it and tap a destination • Undo a move to rethink your path (Undo also counts as one move) • Track moves and active playing time • Optionally allow completion on the right pole • Turn sounds on or off • Share your result after solving • Play on iPhone or iPad, in portrait or landscape, in English or Japanese Changes to the right-pole rule apply the next time you tap Restart. Free with ads. No login required.
Latest release
What’s New
Disks now glide and drop smoothly onto the poles, Undo plays a sound, and disks are easier to pick up and drag.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
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.
Price tracking
Price intelligence
- First observed Aug 30, 2026 · 8:58 PM Free