PJFFfree app icon

Apps Like PJFFfree for iPhone and iPad

Manual for Japanese piping parts.

The app provides a manual for piping parts based on Japanese specifications. It lists parts using manufacturer data and publicly available dimension tables.

by sigeyosi kanenishi★ 5.01 ratingsProductivityFreeData updated 2026-10-12

PJFFfree screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Calculator: Basic & Scientific app icon

    Calculator: Basic & Scientific

    Wuhan Ananta Technology Co., Ltd.

    Calculate, convert, solve, track

    Perform calculations using a basic, scientific, currency, and units calculator. View calculation history, convert numbers to speech, and synchronize results across all calculator modes.

    ★ 4.6203 ratingsUtilitiesFreeData updated 2026-09-28
  1. Pipe Trades Pro Calc app icon

    Pipe Trades Pro Calc

    Calculated Industries, Inc.

    Try before you buy with free trial

    Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.

    ★ 4.84,282 ratingsUtilitiesFreeData updated 2026-09-08
  2. Paper Size app icon

    Paper Size

    Dirk Einecke

    All standard paper dimensions worldwide.

    The app provides users with standard paper dimensions from around the world. It includes various international and regional paper size standards for design, printing, and shipping needs.

    ★ 0.00 ratingsReference$0.99Data updated 2026-10-22
  3. Conversion Calculator Units app icon

    Conversion Calculator Units

    RV AppStudios LLC

    Convert across 12 categories

    Convert across 12 categories and 140+ . Tap to select , swipe to switch values. Adjust options easily. View results instantly without complex steps.

    ★ 4.74,965 ratingsUtilitiesFreeData updated 2026-09-08
  4. Bell & Gossett - SystemSyzer app icon

    Bell & Gossett - SystemSyzer

    Xylem Inc.

    HVAC piping system design calculator tool.

    The app provides HVAC piping system design tools based on an original plastic wheel calculator. It includes calculators for friction loss, velocity, and Cv, along with a Circuit Setter/Triple Duty Valve calculator for design and field use.

    ★ 3.28 ratingsReferenceFreeData updated 2026-09-25
  5. Baluster Calculator Elite app icon

    Baluster Calculator Elite

    Cyberprodigy LLC

    Calculate baluster spacing measurements easily.

    The app calculates baluster spacing measurements for flat and rake handrails. It provides outputs such as the number of balusters, space between centers, and measurements for marking baluster centers.

    ★ 4.9365 ratingsUtilities$8.99Data updated 2026-10-21
  6. Construction Calculator++ app icon

    Construction Calculator++

    Behzad Dogahe

    Calculate measurements and convert units

    Calculate area, perimeter, and square-up using length, width, and height. Convert measurements between yards, feet, inches, fractions, and decimals. Perform unit conversions for math tasks.

    ★ 4.249 ratingsUtilities$2.99Data updated 2026-09-08
  7. Multimetal 3D app icon

    Multimetal 3D

    Aleksandr Varaksa

    Calculate weight and cost of metals.

    The app calculates the weight and cost of 3D objects made from various metals. It accepts input in independent units and supports switching between English and metric systems for both input and output.

    ★ 1.02 ratingsBusiness$0.99Data updated 2026-09-26
  8. Deflection Calculator app icon

    Deflection Calculator

    Leonard Williams

    Calculate for tube and roll straighteners

    Allows users to input outside diameter, roll center, yield, and Young's modulus to calculate in inches or millimeters. It includes a unit selector for imperial or metric conversion. Users can view past calculations through the History feature.

    ★ 5.04 ratingsReferenceFreeData updated 2026-10-01
  9. Inches to mm converter app icon

    Inches to mm converter

    Intemodino Group s.r.o.

    Convert units with a flip button

    Convert measurements between and millimeters with a flip button for quick unit switching. Support fractions and display results in both decimal and fractional forms.

    ★ 4.413 ratingsProductivity$2.99Data updated 2026-10-15
  10. HVAC Pipe Sizer - Gas Low app icon

    HVAC Pipe Sizer - Gas Low

    Carmel Software Corporation

    Size gas piping systems with precise inputs

    Calculate gas piping system sizes for low-pressure applications. Input total flow, pressure drop, diameter, or velocity. Output exact and nominal diameters, calculated velocity, and total equivalent length.

    ★ 5.02 ratingsProductivity$4.99Data updated 2026-09-08
  11. Subnet Mask Wheel app icon

    Subnet Mask Wheel

    Takahiro Furuya

    Display subnet mask and host addresses.

    The app displays subnet mask information including decimal, binary, and prefix length. It also shows the number of available host addresses.

    ★ 5.01 ratingsProductivityFreeData updated 2026-10-03
  12. Usage Device Monitor app icon

    Usage Device Monitor

    Oleh Stasula

    Track data and network speed

    Activity with real-time network speed and data tracking. Track battery performance and storage . View detailed hardware specifications. Customize 21 home screen widgets and lock screen widgets for quick access to key metrics.

    ★ 4.63,850 ratingsUtilitiesFreeData updated 2026-09-09
  13. ComprCheck app icon

    ComprCheck

    Mingxuan Fan

    Design compressors, track performance, edit schematics, maintain

    Allows users to calculate compressor processes, including overall and stage compression ratios. It includes 19 calculators and data charts for design, operation, fabrication, and maintenance of diaphragm compressors.

    ★ 5.03 ratingsEducationFreeData updated 2026-09-06
  14. Unit Converter -- All In One app icon

    Unit Converter -- All In One

    Foodmatesss Limited

    Convert units with precision control

    Convert units across categories like Clothing, Area, Weight, and Temperature. Select base and target units. Adjust decimal places for converted values. Perform quick and accurate conversions.

    ★ 4.748 ratingsUtilitiesFreeData updated 2026-09-06
  15. Units: Fast & Pro Converter app icon

    Units: Fast & Pro Converter

    Rajendran Sajith Sajindran

    Convert with precision and speed

    Convert across 20 categories including length, weight, temperature, and more. Perform real-time conversions with 8-decimal precision. Switch between metric and imperial systems. Use scientific notation and dark mode.

    ★ 4.412 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.