StackFlipper

StackFlipper is a local-first flashcard and learning notes app that lets you design cards (Flips) on a freeform canvas and review them with satisfying, rhythmic swipes. From exam prep and language vocabulary to spontaneous ideas and brainstorm notes—capture your knowledge as "Flips" and organize them into thematic "Stacks" to return to learning anytime. ■ Key Features of StackFlipper ◆ 1. Capture Ideas Instantly! Freeform Flip Editor Not just plain text fields. Design both sides of your Flip freely like a creative canvas: ・ Freely arrange text, sticky notes, stickers, and shapes with rotation and scaling ・ Attach photos directly from your library or camera ・ Smooth handwriting with pens, pencils, and partial erasers ・ Full Undo / Redo support and instant front/back preview ◆ 2. Satisfying Swipes & Adaptive Review Modes Test your recall with swift, one-handed swipes: ・ Tap to flip…