Hey! Honestly, moving from the pop-up flash to a real speedlite is gonna change ur life. I went through the exact same thing with my Canon EOS 90D last year and the difference in portrait quality is night and day. That built-in flash is basically just for emergencies, right? lol. For a $250 budget, here is what I recommend based on my experience: * **Godox V1-C Flash for Canon**: This is highkey the best bang for your buck. The round head makes the light spread way more naturally for portraits compared to the harsh rectangular ones. Also, it uses a rechargeable Li-ion battery instead of AAs. Seriously, not having to carry a dozen spare batteries is a total game changer.
* **Godox V860III-C Speedlight for Canon**: If u dont care about the round head shape, this one is basically the same tech but usually $50 cheaper. It still has the lithium battery and full HSS/E-TTL support. Plus it has a modeling light which helps with focusing in dark studios.
* **Canon Speedlite 430EX III-RT**: This is the "safe" choice. It's super reliable and the E-TTL is perfect because it's native, but tbh, ur paying a premium for the Canon name. It's less powerful than the Godox options and uses AAs, which can be a pain. I would suggest going with the Godox V1. It's so much easier to grow with if u ever want to try off-camera flash (which u totally should!!). Just make sure to keep the firmware updated so it plays nice with the 90D's autofocus assist. gl!

Jumping in here! Honestly, I went down the same rabbit hole when I got my 90D. I initially looked at the Canon 430EX III-RT, but the price tag for the power you get just didnt make sense to me as a hobbyist. I ended up going with the Godox V860III-C Speedlite for Canon and it has been a total workhorse for indoor portraits. Technically, its basically the same internals as the V1 but with a traditional rectangular head. The reason I love it is the lithium-ion battery... you get like 450+ full-power shots on one charge. No more carrying around bags of AA batteries, which used to drive me crazy. The recycle time is super fast too, usually under 1.5 seconds so you dont miss shots. If you want to save some cash and dont mind using AAs, the Godox TT685II-C Flash for Canon is also a solid choice. It supports E-TTL and HSS perfectly with the 90D and fits way under your budget. Both of these sync way better than the older Yongnuo units I tried years ago. Just make sure whatever you buy has that -C at the end for Canon!

Re: "Hey! Honestly, moving from the pop-up flash to..." Honestly, if youre trying to save some cash, the Yongnuo YN685 II TTL Speedlite for Canon is a solid tank for way less than $250. I used the older version for years on my old bodies and it never missed a beat with E-TTL. Its reliable enough that I used to carry two of them just in case, but rarely needed the backup. Reminds me of this one wedding I shot years ago with an old 50D and a couple of those cheap units. My main gear was acting up because of the humidity, and I ended up shooting half the reception with a flash I basically found in a bargain bin. I was sweating bullets because the lighting in that hall was abysmal, basically a cave with some Christmas lights. Spent half the night dodging the drunk uncle who kept trying to show me his own vintage film setup while I was trying to swap out my Panasonic Eneloop Pro AA Rechargeable Batteries. Those batteries are still the only ones I trust, tbh. Anyway... But yeah, the Yongnuo is a decent option if you want to keep some money in your pocket for a better lens later.

Like someone mentioned, the Godox ecosystem really is the way to go for the 90D. Weve already talked about the V1 and the V860III, plus those Yongnuo tanks, which are all fantastic! But I honestly think the Godox TT685II-C TTL Flash for Canon is an amazing sweet spot. I used to be a die-hard Canon 430EX user, but switching to Godox was a total revelation for my portrait work. I remember shooting a really dim indoor retirement party last year and being so stressed. My old gear used to struggle, but the TT685II was fantastic! The E-TTL is super reliable, and it handles HSS perfectly when you need it. What I love about it compared to the Canon 430EX III-RT is how much easier it is to use with a wireless system. Since it saves you so much money, you can grab a Godox XProII-C TTL Wireless Flash Trigger too. Getting the flash off the camera is what really makes those portraits pop! It is basically the best way to get pro results on a hobbyist budget.

Just wanted to say thanks for everyone chiming in. Super helpful discussion.