The UNICEF project, “Oky”, dedicated to improving menstrual health and hygiene management for young women and girls, needed to increase period-tracking engagement by rewarding consistent logging. The solution: culturally-sensitive avatar customizer and unlock mechanism that motivates users to complete three cycles while remaining inclusive, safe for young users, and localizable across global markets.
Designed onboarding workflow showing starter avatars at sign-up with custom avatars locked until users complete three cycles. Progress indicators (1/3 → 2/3 → 3/3) culminate in a celebration and guided customizer access. Externalized strings for translation, optimized for low-end Android, and followed privacy/accessibility standards with clear integration documentation.
Deliverables:
Drop-in feature package: onboarding workflow, streak tracking, unlock celebration, inclusive avatar customizer (skin, body, face, hair with coverings, clothing, accessories). Included low-end device, QA, acceptance checklist, and translation-ready strings.
Demonstrates delivery of engagement features that are privacy-preserving and localization-ready. The onboarding workflow and lean design apply to behavior-change apps requiring lightweight, globally-deployable modules with performance, accessibility, and safety constraints.
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