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Monthly revenue
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Launch offer: 50% off until October 31, 2026
ShiroDeart is a one-line puzzle studio for tracing every edge or filling every cell without repeats. Explore Node Trail and Grid Fill campaigns, a daily seeded challenge, Practice Lab drills, and Line Studio layouts. Track Pulse Stats and milestones from a hub-style home—no tab bar. Built for focused play on iPhone, including iPhone SE.
Not on the US charts right now.