QUIZ / BRAIN BATTLE - Sell Project
Listed November 1, 2026
About QUIZ / BRAIN BATTLE
Live multilingual quiz app with 24,000+ questions and competitive modes.
Project details
Website: https://nexusmobile.app/quiz-brain-battle/
Next step: <p>The buyer can build on an already published Google Play application rather than starting from a pre-launch project.</p><p>Potential growth opportunities include adding advertising, subscriptions or premium features, expanding the existing 24,000+ question catalog, adding more languages and categories, enhancing competitive events and leaderboard features, introducing seasonal tournaments, and developing an iOS version.</p><p>The buyer can also focus on Google Play ASO, paid user acquisition, social-media promotion, education-focused marketing, and localized campaigns across the app's existing four supported languages.</p><p>Because the app is already live, the buyer can concentrate primarily on monetization, user growth, store optimization, and content expansion rather than initial product development and launch preparation.</p>
For sale
Asking price: $9,999 USD
What's included
Source code, All related data, All related design work
The sale includes the complete Android source code, the full 24,000+ question catalog across 11 categories, English / Turkish / German / Spanish localization files, product and marketing assets, backend source code and configuration, tests, build documentation, and technical handover materials. The existing Google Play application can be transferred to the buyer through Google's official app transfer process. Reasonable technical migration and handover assistance is also included. The Google Play developer account, nexusmobile.app domain, seller-owned Cloudflare account, seller email accounts, production signing credentials, and private seller infrastructure are not included.
Reason for selling
Efelyra Studio is currently prioritizing other products and development initiatives. Brain Battle is already live on Google Play and technically complete, and we would prefer to transfer it to a buyer who can focus on user acquisition, monetization, marketing, and continued growth.
Project metrics
Average Monthly Revenue: Pre-revenue
Average Monthly Downloads: Under 1K/mo