Is your app free to use or the user needs to pay for your services??
Yes, our app is completely free for travelers to use. To unlock premium features may require spending some small amonuts of CLMB tokens. Our partners and activity providers may list on the Columbery platform vouchers and discount coupons for their services and goods also for free. Or the providers may use payed option to create economic incentive for users to visit their venues.
More details about Columbery model you may find in our whitepaper - https://ico.columbery.com/
Great that it's free. Hope the features are sufficient without unlocking the premium features.
With so many apps nowadays, you don't want to be surprised each month with the billing that you will receive.