The shortlist
Cost Per Nut (us): purpose-built for CPN, per-girl breakdowns, leaderboards, share cards, 3-day free trial. The most opinionated option, which is good or bad depending on whether you agree with the opinions.
Mint and YNAB: general-purpose budget apps that can be coerced into tracking dating spend via a custom category. Solid for total spend, weak for outcomes, useless for per-girl analysis.
Copilot Money: the prettiest of the generic budget apps, with custom categories that work for dating. Same limitations as Mint and YNAB.
Notion or Google Sheets: not apps, but worth listing. Maximum flexibility, maximum friction. Great as a first 30-day experiment, painful to maintain long-term.
Cost Per Nut, the app
We built it because the alternative was a spreadsheet that nobody opened after week three. The app does the spreadsheet's job — five fields per date, instant rollups — and adds the things a spreadsheet can't: bar charts, line graphs, shareable summary cards, optional private leaderboards.
The opinions baked in: outcomes are binary, the CPN formula is fixed, the per-girl pivot is the headline view. If those match your mental model, the app feels obvious. If they don't, you'll want a more general tool.
Pricing: 3-day free trial that gives you the full product, then a single paid tier. No feature gating, no nagware, no escape-room cancellations.
Generic budget apps, tested for dating
Mint, in its current state, can track dating spend if you tag transactions manually. The friction is real — bank feeds don't know what "dating" means and you'll spend ten minutes a week sorting Ubers into the right bucket. By month two, most guys stop.
YNAB is more opinionated than Mint about category discipline, which works for some people and feels like homework for others. The dating use case is the same as Mint: it can do totals, it can't do outcomes.
Copilot has the cleanest UX of the three, and its rules engine can auto-tag dating venues if you put in twenty minutes of setup. Still no concept of outcomes or per-girl analysis.
What you actually want
If the goal is total dating spend awareness only, any of the budget apps work. If the goal is CPN — the actual ratio, per-girl, over time — you need either a spreadsheet you maintain religiously or a purpose-built tool.
The friction matters more than the feature list. The best tracker is the one you still use in month six. Both spreadsheets and Mint die at month two for most guys. The reason we built ours is that the dropoff curve for purpose-built dating trackers is much, much shallower.
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