Apps Like Octuple Calc for iPhone and iPad
Ranked alternatives
Showing 421–440 of 1,000 ranked alternatives.






Tip Calc(ulator)
FiveIron Software, LLC
Calculate tips and split bills instantly
Calculate tips by entering a bill and selecting a percentage. View total amount and per-person share when splitting. Choose from 15%, 20%, 25%, 50%, or 100% tips. Receive encouraging messages for 20% or higher tips.

Dump Truck Math
MyLogic, Inc.
Calculate trucking rates with precision
Calculate trucking rates by converting hourly rates into tonnage or cubic yard rates, factoring in tolls, travel time, and loading/unloading. Determine the number of trucks needed based on loading times and project duration.








Pipe Working Pressure Calc
Tan Chia Ling
Calculate , thickness, and diameter
Calculate fluid , wall thickness, and outside diameter using Barlow's Formula. Input values in various units and copy results to other apps. Includes formulas for reference and supports up to 16 decimal places.


iPowerRocket
ANDREAS MUELLER
Calculate rocket parameters and plan flights
Calculate rocket parameters including barrowman CP, ejection charges, and parachute sizing. Simulate flights and record flight logs. Track design metrics and plan launches within the .
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