Your Sim Handicap Shouldn't Be a Guess
A few other golf apps have started writing about why your simulator handicap needs to be separate from your outdoor one. They're right that it does — a bay has perfect lies, the wind's usually off unless you turn it on, and putting rules vary wildly from setup to setup. An outdoor handicap built on grass doesn't know any of that, so in a real money game it hands strokes to the wrong players: the mat-striking grinder who can't putt indoors gets too few, the guy who's never broken 90 outside but somehow rolls everything in the bay gets too many.
So far, so good. Where it falls apart is the next step. The advice we've seen elsewhere boils down to: start with your outdoor number and "adjust it after three or four rounds based on how you score," or just use whatever number your simulator happens to display, or get your group to agree on something at the start of the season. None of that is a calculation — it's a vibe check with extra steps.
What SimCap Actually Does
SimCap computes your sim handicap the same way a real handicap gets computed — off the course's actual rating and slope, adjusted for the tee you're playing — except it also factors in the specific conditions your sim session was played under: putting assist, pin difficulty, wind, and mulligans. Two rounds on the same course with the same score don't necessarily produce the same differential, because the settings weren't the same. That's the part a generic "pick a number" approach can't do, because it's not tracking settings at all.
It also solves the chicken-and-egg problem: you need a few rounds logged before a sim-specific index means anything, so until you hit that threshold, SimCap falls back to your real GHIN index rather than asking you to guess at a placeholder number for weeks.
The Actual Difference
Nobody's disputing that sim play needs its own number. The question is whether that number comes from an actual formula tied to the course and the conditions you played under, or from "ask your group" and "check what Trackman says." One of those is a handicap. The other is a conversation starter.
And it's worth saying plainly: SimCap is free. No subscription, no paywall, no premium tier to unlock the parts that actually make it useful for a league or a group. Track rounds, get a real index, run full tournaments across every format, play Skins, Nassau, and Stableford side games — all of it, at no cost.
It Only Gets More Accurate From Here
A formula is only as good as what it's learned from, and that's the part a vague "ask your group" approach can never catch up on. Every round logged on SimCap is real data about how putting assist, pin difficulty, wind, and mulligans actually move a score — not guessed, measured. The more rounds that come in, the more those variables get calibrated against reality instead of assumption.
Here's an open question we're actually tracking: does the sim platform or launch monitor itself play a role, separate from the settings a group chooses? Our working theory is that it might — that one setup could play systematically easier or harder than another in ways that have nothing to do with putting mode or wind. Nobody can answer that from a single round or a hunch, including us right now. But it's exactly the kind of pattern that becomes visible once enough real rounds exist to compare across platforms, and it's the kind of question you can only even ask if you're measuring in the first place.
A static number, agreed on once by a group or copied off a sim's display, doesn't improve no matter how many rounds get played on it. A real formula fed by real data does.
If you've been doing the "agree on a number" thing with your group, it might be time to just let SimCap compute the real one.
Want a side-by-side of Trackman, Evenplay, Golf Genius, and SimCap? Indoor golf handicap systems, compared. Broader app landscape (GHIN, TheGrint, Lies Golf, and more)? Simulator golf handicap apps: an updated comparison.
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