About this app
Finds the optimal ventilation fan rating and heater BTU output requirements for your greenhouse. Uses standard industry formulas for ventilation and heat loss in calculations. The dimensions of the greenhouse, cover material types and temperature settings can all be varied to determine how this changes the results. Inputs can be in Feet or Meters, Fahrenheit or Celsius values. Results can be sent by text or email. Get ready with the right equipment to insure healthy plants!
Latest release
What’s New
Updated to newer iOS version.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 16, 2026 · 12:40 AM $1.99
Screenshots
