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For iPhone & iPad

Professional cocktail tools,
finally in your pocket.

Bevnap combines the batch calculators and syrup math you rely on with a personal recipe database and professional bar management tools — built by a working bartender, for working bartenders.

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One-time purchase  ·  No subscription  ·  Android coming soon

Every screen, exactly as you'd use it.

Built for the people who actually run cocktail programs

After years of developing the Batch Cocktail Calculator and Universal Syrup Calculator as standalone web tools, the question came up: what if all of this lived in a single app — one that could also hold a bartender's personal recipe library?

Bevnap is the answer. It brings together the precise, math-first calculators bartenders already trust with the kind of professional bar management tools that only come from thirty years working behind the bar — ABV, pour cost, recipe export, and more.

No subscription. No lock-in. Your recipes belong to you, and you can get them out anytime in plain text or spreadsheet format.

"I needed something practical — an app that I can use daily, behind the scenes as well as behind the bar."

Everything you need. Nothing you don't.

Each calculator in Bevnap was built around a real problem from a real cocktail program. Precise, fast, and built to be used mid-shift.

Batch Cocktail Calculator

Scale any recipe to any batch size with automatic dilution and ABV calculations. Built for high-volume service where consistency is non-negotiable.

Universal Syrup Calculator

Calculate exact syrup yields by weight for any ratio — 1:1, 2:1, rich, honey, and beyond. Takes the guesswork out of prep and keeps your ratios consistent.

ABV Calculator

Calculate the alcohol by volume of any cocktail or batch on the fly — essential when building menus, writing specs, or answering the question guests always ask.

Pour Cost Calculator

Know your numbers. Price out any cocktail against your spirit costs and target margins, so every drink on your menu earns its place.

Carbonation & Pressure Calculator

Dial in your gas pressure and carbonation levels for kegged cocktails, sparkling water, and carbonated serves — based on real CO₂ solubility data.

Slushy Calculator

Freeze-point calculations for slushy and frozen cocktail machines, so your drinks hit the right consistency every time — not icy, not soup.

Your black book. Your recipes. Your way out.

Bevnap is built around the idea that your recipes belong to you. Enter your personal specs, your house riffs on classics, the things you've been tweaking nightly for years — and know you can always get them back out.

  • Build your personal recipe database — classics, originals, works-in-progress
  • Export everything to plain text or spreadsheet format, anytime
  • Share recipes with colleagues via the app, text message, or PDF
  • Jeffrey's own recipes, shared directly through the app
Original Amaretto Sour
Amaretto1½ oz
Cask-proof bourbon¾ oz
Fresh lemon juice1 oz
Rich simple syrup (2:1)1 tsp
Egg white, lightly beaten½ oz
16.8%ABV
$2.85Cost
19%Pour cost

Ready to put these tools to work?

One purchase. Every calculator. Your entire recipe library. No subscription ever.

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iPhone & iPad  ·  One-time purchase  ·  Android coming soon