You can stack up to 15 AppSumo coupons per one Shorby account.
Pro account equals 2 coupons;
Agency account equals 3+ coupons.
To upgrade your lifetime subscription, just redeem all of your coupons one-by-one here - https://dash.shorby.com/redeem.
Then, you can always check the status of your subscription and the current plan by clicking on: https://dash.shorby.com/profile.
Discount section shows how many codes you redeemed.
Here is what you will see if you redeemed everything correctly for:
1 code: SHORBY-ROCKET-XXXXX
2 codes: SHORBY-PRO-XXXXX-XXXXX (the last dights of the two codes you entered);
3+ codes: SHORBY-AGENCY-XXXXX-STACKED3 (or 4,5,6, etc). The STACKED3 part shows how many codes added.
One coupon code can be redeemed only once. If you get "coupon expired" message, it means the code is already added.
If you have any problem with coupons, don't hesitate to shoot us a message in the chat!