Effective date: October 18, 2026
Seed Stack is a puzzle game that runs entirely on your iPhone. It has no account, no advertising, no analytics, no tracking and no in-app purchases. Studio Uchu does not collect, receive, sell or share any information about you or how you play. The game does not send anything over the internet.
None. Seed Stack does not collect personal data, identifiers, location, contacts, usage data or diagnostics, and does not require sign-in.
To keep your game, Seed Stack stores the following only on your iPhone: cleared levels and stars, your garden (flowers bloomed and daily puzzles cleared), tutorial progress, and your settings (sound, vibration, Meme Mode). It is never sent to Studio Uchu. Deleting the app removes it.
The Meme Mode announcer lines were generated in advance with an AI text-to-speech service and are included in the app as audio files. Nothing is generated on your iPhone, and no voice or other data from you is used or sent.
Seed Stack 1.0 has no in-app purchases and shows no ads.
If you choose to share analytics or crash reports with app developers in your iPhone settings, Apple may provide Studio Uchu with aggregated, anonymous statistics under Apple's own privacy policy.
Seed Stack is suitable for all ages. Because it collects no information, it collects none from children.
If this policy changes, the new version will be posted on this page with a new effective date.
For Seed Stack support, bug reports or privacy questions, contact Studio Uchu by email.