How much does the Keep app cost? September 05, 2019 19:00 Updated Keep costs nothing: Zip. Zero. Zilch. The app is free to download and use. Related articles How do I access my Keep code? What is Keep and who is the Keep app for? What kind of tools are included in the Keep app? How is Keep different from other homebuyer education tools or courses? What is a Home Expert and how can it help me?