A popular fitness app with an extensive workout library and its own social network; top-3 fitness app in the App Store, 5M+ downloads on Google Play. Main user markets: Brazil, Russia, USA.
AppStore -> https://apps.apple.com/us/app/fitness-app-gym-workout-plan/id1114387800
Google Play -> https://play.google.com/store/apps/details?id=fitness.online.app

• Led end‑to‑end design for engagement features; achieved +34% share rate in an A/B test and +2 p.p. W4 retention uplift after rollout tuning.

• Shipped annual “Year recap” feature; improved DAU/MAU by +5% and increased new posts in feed by +32% in the first week.

• Designed an AI chatbot to reduce onboarding churn and support overload; decreased repetitive operator inquiries by -39% and reduced average handling time by -21%.

• Built and scaled a component‑based design system (components, Auto Layout, variables) to improve consistency and speed of delivery across iOS/Android.

• Redesigned promo/issue‑resolution landing flows; increased CTA CTR by +54%, reduced payment‑related support inquiries by -38%, and improved paid user retention by +3 p.p

• Led the redesign of an existing website to improve usability, visual hierarchy, and overall user experience

• Worked closely with UX Researchers and collected data to understand the needs, pain points, and behaviours of users. Transformed research data into clear design solutions

• Adapted and optimized designs for iOS and Android in compliance with platform-specific guidelines (Human Interface Guidelines, Material Design)