Zest is available to anyone of at least 18 years old, who reside and/or is a resident of these countries:
- Argentina
- Australia
- Austria
- Belgium
- Brazil
- Bulgaria
- Canada
- Chile
- Colombia
- Croatia
- Czech Republic
- Denmark
- Finland
- France
- Germany
- Greece
- Hong Kong
- Hungary
- Ireland
- Italy
- Japan
- Luxembourg
- Malaysia
- Mexico
- Netherlands
- New Zealand
- Norway
- Poland
- Portugal
- Romania
- Saudi Arabia
- Singapore
- Slovakia
- Slovenia
- South Africa
- South Korea
- Spain
- Sweden
- Switzerland
- Taiwan
- Thailand
- Turkiye
- United Arab Emirates
- United Kingdom
- United States