Contacts
Contacts and support
One public channel for product, payment, access and data questions.
Updated: August 24, 2026
User support
For APK installation, sign-in, payment, Premium access, refunds and data deletion, contact support@core95.ru.
Please include the account email, device model, Android version and a short description of the issue.
Product
CORE95 is an Android app for learning high-frequency Russian vocabulary through spaced repetition.
Product website: https://core95.ru.
Operator and seller by distribution channel
https://core95.ru, direct APK and RuStore with Robokassa payments: Морозов Артем Павлович, Плательщик налога на профессиональный доход (самозанятый). Tax ID: 732729451290.
Google Play and the App Store: LifeEngineering. Zandy Ville Ebro. Payments in those channels are handled by the store's own billing tools.
Single support and privacy contact: support@core95.ru.