Apps Like Rainfall Calculator for iPhone and iPad
Calculate rainwater harvest, savings, and tank size
Calculate annual rainwater harvest in liters or gallons using catchment area and depth. Input units can be customized with decimal precision. Copy results to other apps and access formula references for accurate calculations.
Rainfall Calculator screenshots
Ranked alternatives
Showing 201–220 of 1,000 ranked alternatives.


Save The Waves
Save The Waves Coalition
Capture and share coastal threats with photos
Users report coastal threats by taking photos and geotagging locations. Data is shared with environmental agencies and local managers. Users can view impact reports and track progress on coastal conservation efforts.




UK Weather forecast
ID Mobile SA
Check forecasts, track rain, view radar
Provides 10-day forecasts with morning, afternoon, and evening details. Displays rainfall radar, temperature ranges, and perceived temperature. Shows wind force and direction, snowfall limits, and fog alerts.

WeatherTRAK Mobile 2
HydroPoint Data Systems, Inc.
Manage irrigation systems remotely
Manage irrigation systems by adjusting station percentages and viewing controller status. Pause schedules for rain or other events. Check active alerts and monitor system performance remotely.




Roof Area Calculator
Anna Filobok
Calculate with pitch, width, and length
Calculate using house width, length, and pitch. Convert measurements between imperial and metric units in real time. Determine from width and length in meters, centimeters, yards, feet, or inches. Convert pitch to degrees or radians.






meter.me installer
Lamarr, Inc.
Install meters and monitor water usage
Monitor and manage water usage with real-time data on tank, well, and pond levels. Track consumption, set alerts, and receive notifications. Control and maintain IoT devices in offline environments.


Toro® ProMax™ Connect
The Toro Company
Control irrigation stations and manage programs
Program irrigation stations, manage watering schedules, and adjust settings remotely. View system status, receive alerts, and respond to issues in real time. Control multiple zones and monitor water usage statistics.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.