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 121–140 of 1,000 ranked alternatives.


HotTub&Pool
Pixelwand Ltd
Chemical calculations for pool owners.
The app helps hot tub, spa, and pool owners calculate chemical doses for calcium, alkalinity, pH, sanitizer, and stabilizer. It also includes a water balancing feature to calculate the Langelier Saturation Index for system maintenance.


Cloud-W
BIOR LTD
Track weather, forecasts, and moon phases
Track weather forecasts for up to 10 days with hourly updates. View maximum, minimum, and average temperatures. Monitor wind speed, sunrise and sunset times, humidity, cover, and moon phases. Receive alerts for light rain and UV index changes.

ABV Calculator Gravity & Plato
Wilson Baraban Filho
Calculate ABV from Original and Final
Calculate Alcohol By Volume (ABV) using Original (OG) and Final (FG) readings. Input measurements for . Determine alcohol content percentage. Export results for record-keeping.

meter.me
Lamarr, Inc.
Monitor water levels and usage remotely
Monitor water usage, tank, well, and pond levels remotely. Receive alerts about usage, pump, and valve status. View the water system on a map. Control pumps and valves remotely for beta users.


Aviation Fuel Converter
Jay Ferguson
Convert units and track amounts
Convert Jet A or 100LL between US gallons, pounds, liters, and kilograms. Enter type, units, remaining amount, and desired amount for accurate conversion. Adjust and save specific gravity and conversion factors.


Aquarium Keeper
ASIM BAYKAN
Track tank conditions and livestock
Manage marine and freshwater tanks with detailed database info on corals, fish, and invertebrates. Track livestock and expenses. Log water parameters and test results graphically. Add custom test parameters. Take notes for tank maintenance.

Calculator for Contractors
Flicent Inc
Calculate square footage and convert measurements
ContractorCalculator helps users perform on-the-go calculations for square footage, measurement conversions, and fraction math. It supports trade-specific tasks like amps to watts and wire size.


Pool Smart
BetterWay Apps LLC
Pool maintenance made simple and affordable.
The app teaches users about water balance for pool maintenance. It calculates chemical amounts based on pool size and construction, helping users save money on chemicals.

Farmdeck
OUTCOMEX PTY LTD
Monitor crop data and control equipment remotely
Monitor water and rainfall levels, track livestock and electric fences, and manage vehicle and machinery inventory. View surveillance footage and farm maps. Access analytics for farm data. Control and monitor remote sensors and network devices.


Surat Municipal Corporation
Surat Municipal Corporation
Service delivery and information sharing app.
The app provides access to property tax, profession tax, and water meter connection details. Users can also check birth, death, and establishment registration certificates, register complaints, and share feedback.



Rheem Calcu Save
Copeland LP
Calculate savings by comparing HVAC options
Contractors use the to calculate cost savings for homeowners by comparing HVAC replacement options. Input parameters to generate accurate graphical reports. Access product data from the Emerson OPI database. Export and share detailed reports.

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