The products and feature set contained in Zoho One are evolving as the products and package is enhanced. So it is always best to check your requirements against the plan details:
November 2023 As Zoho increase and develope new products, what is contained within Zoho One changes. The latest list of applications can be found in Zoho One Plan details: https://www.zoho.com/one/plan-details.html
November 2023 Zoho One Pricing can be found at: https://www.zoho.eu/one/pricing/ Note: You don't have to sign up to the .eu services if your business is based in the European Union or UK, it is your choice where you might want to store your data.
November 2023 The Zoho One Terms and Conditions (https://www.zoho.com/one/terms.html) state: Employee Count and Audit You understand and acknowledge that Zoho One is offered at a special pricing on a condition that you obtain license for all the ...