Navisizer app icon

Apps Like Navisizer for iPhone and iPad

Size systems, calculate costs, generate specs

Calculate heating system requirements for residential and commercial applications. Input system data to determine sizing and operating costs. Generate detailed reports for job specifications and energy savings analysis.

by Navien, Inc.★ 2.426 ratingsProductivityFreeData updated 2026-09-06

Navisizer screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Electrical Toolkit by HCP app icon

    Electrical Toolkit by HCP

    Codefied Inc.

    Calculate conduit bends and offsets

    Calculate conduit bends with offset and 90-degree tools. Determine stub-ups, kicks, and compound angles. Create three and four-point saddles for obstacle navigation. Access NEC-compliant calculations and field-tested utilities for work.

    ★ 4.741 ratingsUtilitiesFreeData updated 2026-09-06
  2. Bitwarden Password Manager app icon

    Bitwarden Password Manager

    Bitwarden Inc

    Store passwords securely and manage accounts safely

    Store and manage passwords and passkeys securely with end-to-end encryption. Generate strong, unique passwords for accounts. Access data across devices without limits. Share passwords with trusted contacts. Lock and unlock vaults remotely.

    ★ 4.831,902 ratingsProductivityFreeData updated 2026-09-11
  3. Solar Pv Calculator app icon

    Solar Pv Calculator

    Adovee Consulting AB

    Calculate PV panels and batteries

    Calculate system requirements by inputting energy demand, hours, and system specs. Determine optimal PV panel and battery quantities. Generate detailed reports for system efficiency and cost estimation.

    ★ 5.01 ratingsUtilities$6.99Data updated 2026-09-06
  1. 2017 Master Electrician Ref. app icon

    2017 Master Electrician Ref.

    PawEng, LLC

    Access electrical codes and standards

    Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.

    ★ 4.71,259 ratingsProductivity$9.99Data updated 2026-09-11
  2. AC Calculator Lite app icon

    AC Calculator Lite

    Melchisedec Martinez Rodriguez

    Calculate BTU, convert units, compare systems, estimate

    Calculate BTU/h capacity and determine recommended equipment types. Convert between BTU, kW, Kcal, and Tons. Check current price estimates and compare inverter versus conventional energy consumption. Unlock advanced features through in- purchases.

    ★ 4.820 ratingsUtilitiesFreeData updated 2026-09-06
  3. Code Snap: UPC & IPC Pro app icon

    Code Snap: UPC & IPC Pro

    Magnitude LLC

    Access data, fittings, and main lines

    Access plumbing data for UPC and IPC. View fitting take-off dimensions for DWV and H2O. Calculate water line specifications for UPC and IPC. Switch between standards. Retrieve core plumbing tools.

    ★ 4.7231 ratingsUtilitiesFreeData updated 2026-09-08
  4. Rheem app icon

    Rheem

    Rheem Manufacturing Company

    Pair HVAC systems with Bluetooth to set

    Install HVAC systems using Bluetooth® pairing for quick setup. Monitor system operation in real time. Troubleshoot issues remotely via the . Access product manuals and technical support resources. Track service history and job progress.

    ★ 4.61,180 ratingsUtilitiesFreeData updated 2026-09-06
  5. Duct Calculator Elite app icon

    Duct Calculator Elite

    Cyberprodigy LLC

    Calculate size, velocity, and pressure drop

    ™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.

    ★ 4.8232 ratingsUtilities$9.99Data updated 2026-09-08
  6. Electrical Calc Elite app icon

    Electrical Calc Elite

    Cyberprodigy LLC

    Calculate loads and circuits

    Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.

    ★ 4.8126 ratingsUtilities$19.99Data updated 2026-09-08
  7. NaviLink app icon

    NaviLink

    KYUNGDONG NAVIEN CO.,LTD

    ★ 4.2824 ratingsLifestyleFreeData updated 2026-09-10
  8. Concrete Calc Pro Calculator app icon

    Concrete Calc Pro Calculator

    Calculated Industries, Inc.

    Calculate volume for slabs, footings, and walls

    Calculate volume for slabs, footings, columns, walls, and stairs in cubic yards, feet, or meters. Estimate needed, determine weight and bag requirements. Calculate rebar spacing and truckloads.

    ★ 4.9607 ratingsUtilitiesFreeData updated 2026-09-08
  9. 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
  10. Pipe Flow Liquid Pipe Diameter app icon

    Pipe Flow Liquid Pipe Diameter

    Daxesoft Ltd

    Calculate for rate and pressure loss

    Calculate minimum internal based on rate and maximum pressure loss. Input elevation changes and select valves and fittings. Display Reynolds number and friction factor. Export results in various formats.

    ★ 4.65 ratingsUtilitiesFreeData updated 2026-09-06
  11. NCalc Scientific Calculator + app icon

    NCalc Scientific Calculator +

    Tran Duy

    Calculate, graph, convert, solve

    Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.

    ★ 4.711,472 ratingsEducationFreeData updated 2026-09-06

How we rank alternatives

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