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Parent-engineer builds ad-free, no-tracking Sudoku app for kids

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A developer and parent has launched Animal Sudoku Kids Puzzle, a free iOS app designed to teach logic to children without ads, data collection, or third-party tracking. The app offers three difficulty levels using color-coded animal icons on 4×4 and 6×6 grids, with features like auto-save, smart hints, and gentle background music. The developer built it out of frustration with existing free children's games that monetize attention through intrusive ads and quietly harvest behavioral data. Accessibility was a core priority from the start, with support for VoiceOver, TalkBack, voice control, haptic feedback, and high-contrast visuals. The app is fully COPPA-compliant, requires no internet connection or account creation, and is available free on the App Store, with an Android version in development.

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