SellUp is free for 1 On Page Upsell.
You can upgrade to SellUp Pro to get the most out of your store.
How much you pay for SellUp Pro is simply based on your Shopify Store Plan:
Shopify Basic: $14.99 / month
Shopify: $39.99 / month
For almost all of your Shopify Merchants who upgrade to SellUp Pro, it ends up not only costing ZERO to upgrade but with the additional revenue in upsells, its extremely profitable. In fact, some of highest earning merchants are seeing monthly upsell revenues of over $10,000.
To find out more about SellUp Pro, click here.