There are several reasons for this:
GSC only shows a sample of your links, while MB shows a comprehensive list.
We only show backlinks that are LIVE, while Google also shows non-live backlinks.
We show one link per referring domain in order to reduce noise.
For more info on the differences between Monitor Backlinks and GSC, check out:
https://monitorbacklinks.crisp.help/en/article/how-is-monitor-backlinks-better-than-google-search-console-1ppyebv/?1550922427999
GSC only shows a sample of your links, while MB shows a comprehensive list.
We only show backlinks that are LIVE, while Google also shows non-live backlinks.
We show one link per referring domain in order to reduce noise.
For more info on the differences between Monitor Backlinks and GSC, check out:
https://monitorbacklinks.crisp.help/en/article/how-is-monitor-backlinks-better-than-google-search-console-1ppyebv/?1550922427999