A: Oh. Thanks a lot Bruno for pointing this out.

I just realized that AppSumo automatically changed the layout of the page and the list of differentiation and now I wonder why the sales dropped
The current view does not make sense at all and is not a decision maker.

I will take this up with AppSumo folks. Meanwhile, here is an older version of this page -
https://web.archive.org/web/20260427092650/https://appsumo.com/products/backlink-checker/

For your info, here are the plans

Plan 1 - 250 Monthly backlinks crawled | 5 Domains
Plan 2 - 2,500 Monthly backlinks crawled | 20 Domains
Plan 3 - 4,000 Monthly backlinks crawled | 35 Domains
(Plan 3 & onwards all plans contain - Google Index Checker, Discover new backlinks via Moz, Index My Site AddOn - 1 Domain)
Plan 4 - 6,500 Monthly backlinks crawled | 60 Domains
(Plan 4 & onwards all plans contain - Manage Teams, White Labelled shareable public backlinks page)
Plan 5 - 8,000 Monthly backlinks crawled | 90 Domains
Plan 6 - 11,000 Monthly backlinks crawled | 130 Domains
Plan 7 - 12,500 Monthly backlinks crawled | 160 Domains
Plan 8 - 15,000 Monthly backlinks crawled | 200 Domains
Plan 9 - 16,500 Monthly backlinks crawled | 250 Domains
Plan 10 - 20,000 Monthly backlinks crawled | 500 Domains

Also, to answer a few FAQs concisely
- You can remove 50% of your total backlinks limit in a month to add new backlinks
- Tracked Domains mean the link_to domains, for which you get backlinks
- Discover backlinks module helps you find backlinks via Moz plan in LTD, or else you get the paid add-on (this api costs per call, so we can't bundle it with LTD)