Like in some records, like Twitch streamers?

LiveSplit. http://livesplit.github.io/downloads/ Here's a link!

If you use a Mac like me, llanfair is your best bet.

or wsplit if ur @soccerman611 https://github.com/Nitrofski/WSplit/releases

Thank you, all of your suggestions!

But i’m on iOS, anyone can help about that?

i'd recommend using an app called FramePerfect, though I'm not sure how you'd record it while playing roblox

https://itunes.apple.com/us/app/frameperfect-speedrun-timer/id1282372099?mt=8

Thanks!

I time my runs while I edit, so I don’t really know what time I get until I edit my run...