I’m lucky that one of my tanks has a booklet zip tied to it that has its contents. The 40+ year old tank is a mystery every time a canister gets pulled up. It creates interesting “on the fly” changes in AI. Haha. Although I do like the booklet because it can be adjusted/updated as soon as something changes.
We use the Cattle Vision App and really like it. It will also let you share your inventory with designated people, so you can see if someone has something you can use and vice versa. We put our embryos in there too.