I found it super stressful being on JSA! They were quite relaxed at the start, I was putting things like updating my CV, updating my LinkedIn etc.
When it came to job apps, I was finding some were closing before I even applied.
Also it took a while to get my experience written up into adjustable personal statements (especially if going for different roles or industries). And when you get an interview offer that has to take precedence in terms of prepping, again it took a while to have my interview question answers all written up on cards in STAR examples and practised.
So I probably was applying for 1-2 a week! But because they were very thorough and my job area is quite niche, I got an interview for every single one, so JSA were not too on my case.
I think if it went on for longer I'd have to have got quicker, or started doing a mix of a) applications for jobs I want b) applications for jobs I don't want but need to make up the numbers (spend less time on) - though I suspect this is part of the reason that the recruitment system is broken!
The more specific you are with them about what you are looking for the more they leave you alone though I think?
If you're out of work / returning / in between I really recommend Brave Starts, they have some good workshops that I found very helpful.