"More than 80% of Apps are opened only once, and then deleted." During this workshop, we present the 7 rules we believe are super important to increase your retention rate, and create an App in which users will feel good (and then come back). We believe "Human-App” interactions are similar to “Human-Human” interactions.The 7 rules we share with you are categorized under 3 main characteristics we believe an App should have: 1- Alive; 2- Polite; 3- Concise and clear The speaker is Olivier Berni, co-founder at Lunabee: Olivier designed all of Lunabee's Apps including oneSafe, focusing on every UX and UI details, since 2011. Olivier has run many “UX experiences" for Lunabee Apps, iterating to try to find the right recipes to increase retention.