Apps Like DropTubeBuilder for iPhone and iPad
Ranked alternatives
Showing 441–460 of 1,000 ranked alternatives.


Length Converter
Anna Filobok
Convert lengths between feet, inches, meters,
Convert lengths between Feet, Inch, Meter, Decimeter, Centimeter, and Millimeter. Enter a value and select units to switch. Save frequently used conversions for quick access.





Digiduct
Syska Hennessy Group, Inc.
Calculate ducts, verify designs, track results
Perform duct design calculations for rectangular, round, and flat oval shapes. Input dimensions and system parameters for accurate sizing. Verify calculations in real-time during field work. Sync with ASHRAE standards for reliable results.





IAP Bushings & Tubes Reference
PENTURNERSORG LLC
Search and sort pen kits with specs
Allows users to search and sort over 4000 pen kits from major suppliers. It displays detailed tube and bushing specifications and drill bit requirements for each kit. Users can email or print kit details via Air Print.

Area Volume Calculator
Trelleborg Sealing Solutions Germany GmbH
Calculate , perimeter, , and weight
Calculate , perimeter, , and weight for 170+ geometric shapes. Input measurements or use calculation methods for missing values. Select materials like metal, wood, or liquid to determine weight. Search shapes by typing or swipe through categories.




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