AltiBake: High Altitude Baking

Bake perfectly at any altitude — finally, an app that uses your iPhone's barometer instead of a static chart.

If you've ever moved to Denver, Calgary, or Mexico City and watched a perfect sea-level cake collapse in your oven, you know the problem. Lower air pressure makes baked goods rise too fast, dry out, and fall flat. Standard recipes don't work above 3,500 feet — and they really don't work above 5,000.

AltiBake fixes that. Automatically. In seconds.

REAL-TIME, NOT A FIXED CHART
Every modern iPhone has a barometric pressure sensor. AltiBake reads it in real time to detect your altitude and the pressure right now. Today's pressure can shift your effective altitude by 1,000 feet — a low front in Denver makes baking trickier, a high front makes it easier. Static altitude charts can't see that. AltiBake can.

ADJUST ANY RECIPE IN SECONDS
1. Pick a category — cakes, quick breads, yeast breads, cookies, pastries, muffins, or pies.
2. Enter your sea-level recipe.
3. Get exact adjustments back:
• How much extra flour to add (per cup)
• How much sugar to remove
• How much liquid to increase
• How much to reduce baking powder or soda
• How much hotter to set your oven
• How many minutes to subtract from the bake
• Whether to add an extra egg

Every change comes with a plain-English reason — so you understand the why, not just the what.

QUICK REFERENCE BUILT IN
A side-by-side table shows adjustments for every altitude zone, with your current zone highlighted. Read why altitude affects baking. Get tips for high-altitude techniques. See the boiling point of water at your elevation (matters for candy, jam, and sugar work). Browse altitudes for major cities.

SAVED RECIPES, ACROSS ELEVATIONS
Save your adjusted recipes — AltiBake remembers the altitude where you saved each one. Travel from Denver to sea level for the holidays? Open the recipe and AltiBake recalculates for where you are now.

WIDGET FOR YOUR HOME SCREEN
Add the AltiBake widget — at-a-glance altitude, current zone, and quick-adjustment summary. No need to open the app.

ENGLISH AND SPANISH
Built for bakers in Mexico City, Bogotá, Quito, La Paz, and beyond. Full Spanish localization, neutral Latin American — no Spain-specific vocabulary.

PRIVATE BY DESIGN
AltiBake works entirely on your device. No accounts, no tracking, no servers, no internet required. We don't see your altitude, your location, or your recipes. Apple's Privacy Manifest: zero data collection.

PRICING
Free: real-time altitude, full quick reference, one recipe adjustment per day.
Premium ($2.99 one-time): unlimited adjustments, saved recipes, no daily limit. Pay once. Future updates included.

PERFECT FOR
• Bakers in Denver, Boulder, Colorado Springs, Fort Collins
• Calgary and Edmonton
• Salt Lake City, Park City, Provo
• Albuquerque, Santa Fe, Taos
• Mexico City, Querétaro, Toluca, Puebla
• Bogotá, Medellín
• Quito, Cuenca
• La Paz, Cochabamba
• Anywhere above 3,500 feet

Made by bakers who refuse to settle for a sunken cake.