Used to just keep mental notes which was a disaster, then tried a spreadsheet which I'd give up on after 2 weeks, then tried a few of the existing tracker apps but none of them clicked.
Ended up building my own called TallyM8 because nothing did what I actually wanted - auto-grading when games end, ROI broken down by sport, screenshot a bet slip and it pulls everything in, and a tax-ready CSV at year end. Free, no signup needed to try.
Honestly whatever you end up using, the biggest unlock is just logging every bet. The "I'll remember this one" bets are the ones that bite you
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