Apps Like PoolCalc for iPhone and iPad
Calculate pool water scaling potential easily.
The app calculates pool water scaling potential using the Langelier Saturation Index. Users can save and edit readings, locations, and add notes to each reading.
PoolCalc screenshots
Ranked alternatives
Showing 521–540 of 1,000 ranked alternatives.


fuelTool
Martin Groesbeek
Calculate fuel uplift and limiting weight.
The app calculates fuel uplift and limiting weight for aviation. It can determine limiting mass, allowable fuel, or payload, and offers crosswind calculations with METAR information.




Strike and Dip
Hunt Mountain Software
Pocket transit for geological measurements.
The app records strike and dip measurements, bearings, and plunge. It simultaneously displays the user's latitude, longitude, and elevation, and saves measurements with photos and notes.

Bakeshop
Richard Piazza
Recipe tool for culinary conversions and scaling.
The app stores recipes and understands formulas using ingredient ratios for conversions and scaling. Users can find equivalent amounts for ingredients and scale recipes by yield or mass.


SoundLevel: Decibel Reading
Smudge Apps Ltd
Quick sound level measurements with graphs.
The app measures current sound levels calibrated to dBA. Users can view historical data through graphs and compare readings to known sound benchmarks.





Distance - Bearing Calculator
Joe Scrivens
Calculate distance and bearing between points.
The app calculates the distance and bearing between two co-ordinated points. It is useful for site setting out engineers and land surveyors.


Water Timer
Piet Jonas
Calculate water usage and cost.
The app measures shower time and calculates water usage and cost. Users can save calculation history and email it for backup and processing.

CoordCalc
Justin Graham
Calculate distance and bearing between points.
The app calculates distances and bearings between two points using latitude and longitude. It can also determine a final position from a starting point, distance, and bearing.



Enceladus
Jason Hawkins
Track sunset, sunrise, and night sky visibility
Provides nightly sky forecasts between sunset and sunrise. Displays large animated gauges for quick viewing. Allows location selection or saving custom global locations. Offers temperature options in Kelvin. Tracks cloud cover and moon phases.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.