Two honest ways to run an event studio
There is a version of this business where the constraint is the sales process: consultations that go quiet, proposals that sit unread, contracts chased by email. If that is your bottleneck, a tool organized around the client relationship is the right purchase and the recipe math is a secondary concern.
There is another version where the weddings book fine and the money still does not show up at the end of the season. That is a costing problem, and it lives in the stems, the bunch rounding, the hard goods nobody priced and the four hours of install labor that got called a delivery fee. StemCount was written for the second version of the business.
What the recipe gives you that a proposal cannot
A proposal describes the outcome: twenty centerpieces in a garden palette, an arbor asymmetric on the right. A recipe describes what it takes: nine spray roses, five ranunculus, three stems of eucalyptus and eleven filler stems per centerpiece, priced at what you will actually pay this week with freight included. Only the second one can tell you whether the price you quoted holds.
That difference shows up hardest under pressure. When a variety comes in short or the client adds two tables at the ten day mark, a recipe reprices the event in minutes because every dependency is already written down. A proposal, on its own, only tells you what you promised.
Running both while you decide
Plenty of studios evaluate these tools for a season with one wedding running through each. That is a reasonable test. Pick one mid size event, build the full recipe stack in StemCount, and compare the final wholesale spend against your quoted flower budget. The gap, or the absence of one, tells you more than any comparison page can.
If the numbers land where you expected, your existing costing method is fine and your money is better spent on the sales side. If the gap is a few hundred dollars on one wedding, multiply it by your season and decide from there.