It is meaningful if you measure Q1 2020 vs Q1 2021. You’ve got a bit confused as to what YOY is, you’re not just measuring two random quarters from different years (q1 2022 vs q2 2023?), you’re comparing against the performance in the same quarter the previous year.
It is a very meaningful way of judging whether a companies performance (ability to turn a profit and create value for the investor) has improved against the same period the previous year.
https://www.investopedia.com/terms/y/year-over-year.asp
There is a little bit of very basic information for you. I can try find something more colourful and with nice pictures if you need.
Which Apple apps are paid for? Their entire productivity suite is free, Office 365 is a hefty enough price. You get a free photo editing app, free video editing app and free music production app on every device. Of course there’s a couple of Pro apps for music and video but they are literally for pro users and generally the investment is worth what you can do with them.