Intervals messed up

[abdo]

@MohammadG3

I’ve noticed that when pressing good (3), some cards get an interval of 2 days while other cards get 3 days, and some even get 4 days even though everything else is the same (lapses,reviews,ease).

This is explained by the fuzz factor: Studying - Anki Manual

@MohammadG3

I get a set of due cards, let’s say 400 or so, but after doing a couple of cards and syncing, the number of cards increase for some reason

Maybe related:

Syncing issue between AnkiDroid and desktop

It may have been caused by: Reviewing some cards on one device, then Modifying the cards on another device (eg by rebuilding/emptying a filtered deck), and then Syncing the two devices The change in 2 will overwrite the change in 1, so the cards end up getting shown again. When you review them again, you end up with duplicate log entries. You can avoid this by always syncing at the start and end of each session: Syncing in Anki: Getting Started - YouTube