I have bought/used more torches than I care to admit, big/small, cheap/expensive, singles, doubles, triples, but the ones I've had best luck with are.....Honest brand.
Particularly the triple jet "Promise". The triple works best for me as I live up North and it's usually cold and/or windy. It has excellent form (bout the size of a standard bic), has a nice big fuel window (see the whole tank), and is reliable as the day is long. I ordered it in 2018 looking back through my Amazon orders, and up until about 2 weeks ago, started first flick every time, and runs smooth and consistently. It stopped starting, so I gave it a good couple purges, blew thru the intake holes, and put my mouth right around the whole thing and blew thru the Jets. Purged some more, filled/purged and finished filling it up and it's right back to its trusty old self. I had another in my Amazon cart some fast before putting 5 mins into getting it right again. For ~$15 bucks it can't be beat. I use it for both my dynas and my Piro, love it! An EDC item always in my pocket.
An honourable mention to the "goldnconn" also by honest. A soldering type 45deg barrel neck single jet jobby that I used for a long time before the "promise". Just as reliable, just single jet didn't fit my use case the greatest, but I still have it in my lunch bucket ready to go in case something happens to my triple, or I forget it at home. About the same price, I have a hard time not recommending Honest.
Edit to add: the promise has a much larger fuel tank/capacity and fits in the pocket much better than the goldnconn!