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 2026-09-14

Navisizer screenshots

Ranked alternatives

Showing 61–80 of 1,000 ranked alternatives.

  1. Ultimate Car Audio App app icon

    Ultimate Car Audio App

    Thomas VanSlambrouck

    Wire subwoofers, calculate cone area, suggest amplifier

    Calculate subwoofer voice coil wiring for single, double, and quad configurations. Determine subwoofer cone area. Suggest amplifier power and car electrical system requirements. Include subwoofer box calculators and Ohms Law tools.

    ★ 4.281 ratingsUtilitiesFreeData updated 2026-09-10
  2. Solar APP: PV Solar Calculator app icon

    Solar APP: PV Solar Calculator

    Igor Ilijovski

    Analyze potential and costs

    Calculate potential with location-based analysis. Input roof details to estimate system size. Compare financial savings and payback periods. Track energy production and monitor system performance in real time.

    ★ 4.429 ratingsProductivityFreeData updated 2026-09-06
  1. RPR Mobile™ app icon

    RPR Mobile™

    Realtors Property Resource, LLC

    Access property data and reports instantly

    Access real estate data to search residential and commercial properties. View detailed reports and market analytics. Generate custom reports and share them directly. Track property listings and manage client inquiries.

    ★ 4.61,497 ratingsBusinessFreeData updated 2026-09-09
  2. iCertifi: Electrical Certs app icon

    iCertifi: Electrical Certs

    iCertifi

    Certify electrical systems on the go

    Perform electrical inspections, testing, and certification offline. Create and save certificates without internet. Access BS7671 standards directly on iOS devices. Print or share certificates with a subscription.

    ★ 4.47 ratingsProductivityFreeData updated 2026-09-08
  3. GasTech Calculator Pro app icon

    GasTech Calculator Pro

    Maksymilian Lopatowski

    Calculate gas volumes and pressures

    Volume to energy converter calculates gas volume to energy with temperature and pressure adjustments. Professional pipe sizing uses BS 6891:2015 standards for accurate sizing. Includes 9+ calculators for gas engineering tasks.

    ★ 0.00 ratingsUtilities$4.99Data updated 2026-09-06
  4. iShaper: Custom Surfboards app icon

    iShaper: Custom Surfboards

    Ryan Kotzebue

    Design and create real boards

    Design by setting dimensions and customizing curves. Generate printable templates for home use. Track progress and export designs for manufacturing. Share creations with other users.

    ★ 4.9832 ratingsProductivityFreeData updated 2026-09-06
  5. Pulseway app icon

    Pulseway

    MMSOFT Design Ltd.

    Monitor and control IT systems remotely

    Monitor and manage IT systems remotely from any device. View real-time status of Windows, Linux, and Mac systems. Control applications via monitoring API. Receive alerts for system issues. Lock and restart devices remotely.

    ★ 4.6616 ratingsProductivityFreeData updated 2026-09-08
  6. Pipe Flow Gas Pipe Diameter app icon

    Pipe Flow Gas Pipe Diameter

    Daxesoft Ltd

    Calculate for rate and pressure loss

    Calculate minimum for gas based on rate and pressure loss. Use multiple equations including AGA, Panhandle A, and Weymouth. Automatically adjust for gas density with Ideal Gas Law and CNGA compressibility factor. Input parameters and view results.

    ★ 4.73 ratingsUtilitiesFreeData updated 2026-09-06
  7. Electric Toolkit - Calculator app icon

    Electric Toolkit - Calculator

    Cyberprodigy LLC

    Wire diagrams, pinouts, calculate electricity

    Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.

    ★ 4.8289 ratingsUtilities$5.99Data updated 2026-09-08
  8. kVA Calculator app icon

    kVA Calculator

    Pro Certs Software Ltd

    Calculate kVA, kW, and Amps

    Calculate kVA, kW, Amps, Volts, and Power Factor using single or three-phase formulas. Input two values to determine the third. Convert between kVA, kW, and Amps. Supports UPS, generator, and transformer calculations.

    ★ 4.411 ratingsUtilitiesFreeData updated 2026-09-08

How we rank alternatives

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