You need to increase the balance to utilize Smart Formulas and other Websheet AI features
1. Start the extension via Extensions → Websheet AI → Start
2. Click on the Balance button in the sidebar
3a. Subscribe to any plan
Subscribe to any plan to get paid features after your registration bonus runs out. Most users find the $8 plan more than enough since each Smart Function use costs less than a quarter of a cent.
After 30-40 seconds, you will see changes in Your Balance. Your Balance is used for all your spreadsheets, so there is no need to top up it in every spreadsheet.
3b. Buy Extra Funds
If you prefer to pay just once instead of monthly, or if you think you'll use the service more than usual, you can add extra funds that carry over every month.
Click on "Personal subscription" → "Extra Funds" → Choose the affordable option.
Extra Funds are used when your subscription balance is over or if you don't have a subscription
After 30-40 seconds, you will see changes in Your Balance. Your Balance is used for all your spreadsheets, so there is no need to top up it in every spreadsheet.
3c. Upgrade your subscription
Choose a more advanced subscription plan if your current one doesn't meet your needs. You can also opt for Team subscription plans, even if you're using it solo.