So have been messing about with this thing for something like four months now and I keep coming back, so thought I'd say something since someone asked me a few days back. Am based in the UK, generally bet football and racing, nothing mad, so take it how you like. The reason I started using it was honestly pretty stupid I couldn't ever get my head round what an each way return actually came to once you get five places instead of three. I'd just eyeball it and moan when the payout landed. Now I stick my stake in before I place anything, even a simple single bet. Their single bet calculator tool is the bit I open most type in your stake, the odds and it spits out returns instantly, either odds format. There's also the multiples acca and treble maths, a lucky 15, a yankee, honestly that's where I always mess it up. If you fancy a poke about, it's over at <a href=https://singlebettingcalculator.uk/bet-calculator/double>doubles accumulator</a> and it's free with no account nonsense. The thing that actually changed how I bet was the geekier tools. They've got an odds-to-probability converter and it makes obvious how much the bookie's taking, plus a kelly staking calculator I stick to fractional kelly because full kelly is terrifying. The dutching one is handy too when I'm splitting a race. Not all sunshine though. Its design looks very functional, let's say not much frills, which honestly I don't mind but some will. Phone-wise it's usable though the bigger tables make you pinch and zoom. And no app, it's browser only doesn't bother me just flagging it. Anyway. Doesn't cost anything, barely any ads, works. If you even now works out returns on a calculator app, try it it's saved me a fair few dumb bets I'd have regretted.