EngineCalc app icon

Apps Like EngineCalc for iPhone and iPad

Calculate engine specs on the go

Provides tools for calculating engine-related metrics. Users can compute actual volume flow, air density, BHP loss, compression height, compression ratio, corrected BHP, and cylinder displacement.

by iTrinity, Inc.★ 2.33 ratingsUtilities$0.99Data updated 2026-09-08

EngineCalc screenshots

Ranked alternatives

Showing 121–140 of 1,000 ranked alternatives.

  1. AirLab: Air Density & Altitude app icon

    AirLab: Air Density & Altitude

    BALLISTIC SOLUTIONS RESEARCH & DEVELOPMENT SOFTWARE SIARHEI RAICHONAK

    Calculate air and

    Calculate air and using weather data from OpenWeatherMap, MET Meteorologisk Institute, and Amazon. Access GPS and barometer for accurate readings. Retrieve weather data via Bluetooth.

    ★ 4.69 ratingsSports$2.99Data updated 2026-09-11
  2. Unit Plus Converter app icon

    Unit Plus Converter

    Harjot Singh

    Convert units between categories with ease

    Convert units across multiple categories including area, data, fuel-milage, length, power, pressure, speed, temperature, time, volume, and weight-mass. Switch between units with a single tap. View conversion results and history.

    ★ 4.7505 ratingsUtilitiesFreeData updated 2026-09-06
  3. Converter Plus [paid] app icon

    Converter Plus [paid]

    TranCreative Software

    Convert units, calculate, and edit templates

    Convert units and currencies across hundreds of categories with real-time exchange rates updated every 6 hours. Calculate mortgages, loans, tips, and fuel consumption. Edit, create, or download customizable templates for various conversions.

    ★ 4.7201 ratingsUtilities$1.99Data updated 2026-09-08
  1. Health calculator: weight, BMI app icon

    Health calculator: weight, BMI

    Hoang Tue

    Calculate BMI, calories, and heart rate

    Calculate BMI, daily calorie needs, target heart rate zones, blood volume, water intake, ideal weight, pregnancy due date, ovulation period, and blood donation eligibility.

    ★ 4.647 ratingsHealth & FitnessFreeData updated 2026-09-11
  2. Compress It! PDF Compressor app icon

    Compress It! PDF Compressor

    DIGISET LLC

    PDFs and save space

    PDF documents by selecting a compression level, importing files from device or other apps, and exporting compressed results. Supports secure compression without additional features or complexity.

    ★ 4.9324 ratingsUtilitiesFreeData updated 2026-09-06
  3. Boost Vids: Likes TK Fans Clip app icon

    Boost Vids: Likes TK Fans Clip

    Balaban YASEN

    Trim videos for social platforms

    Edit videos by trimming, resizing, and adjusting resolution. Apply smart presets for Instagram, TikTok, and Twitter. Choose compression levels and preview results. Export optimized videos for various platforms.

    ★ 4.895 ratingsPhoto & VideoFreeData updated 2026-09-06
  4. Photo Compressor & Resize app icon

    Photo Compressor & Resize

    Aakaash Soni

    Compress photos and send emails

    Compress photos to reduce file size before sharing. Adjust resolution and dimensions. Maintain minimal image quality loss. Export compressed photos for email or social media.

    ★ 4.7240 ratingsUtilitiesFreeData updated 2026-09-06
  5. RV Pocket Reference app icon

    RV Pocket Reference

    Calculated Industries, Inc.

    Explore RV systems with diagrams

    Access RV types, classes, and system diagrams for electrical, plumbing, and appliance setups. Includes calculators for weight, leveling, and towing calculations.

    ★ 4.760 ratingsReference$1.99Data updated 2026-09-10
  6. Konvert app icon

    Konvert

    Inbo Tasarim ve Danismanlik LTD

    Convert units with custom categories

    Convert units across 24 categories with hundreds of options. Adjust category order and view last conversion via Today widget. Copy results with 3D Touch. Convert as you type. Includes currency converter shortcut.

    ★ 4.8364 ratingsUtilities$1.99Data updated 2026-09-08
  7. Density Altitude & Air Density app icon

    Density Altitude & Air Density

    Ingenieria del Software ISEnet S.L.

    Calculate air and altitude settings

    Calculate air , altitude, and other aviation-related metrics using temperature, altitude, humidity, and atmospheric pressure. Input data can be sourced from GPS, weather stations, or entered manually.

    ★ 4.233 ratingsSports$2.99Data updated 2026-09-09
  8. iConvert - Unit and Currency app icon

    iConvert - Unit and Currency

    Raphael Odermatt

    Convert units and track rates

    Convert units across 17 categories with 398 options. Switch between currencies using daily updated exchange rates. Access converter on Apple Watch for quick and conversions.

    ★ 4.9350 ratingsUtilities$2.99Data updated 2026-09-08
  9. Deep Tools app icon

    Deep Tools

    Deep Blue d.o.o.

    Import dives, plan dives, learn diving

    Calculate Maximum Operating Depth, Oxygen Partial Pressure, and Equivalent Air Depth for dive planning. Import dives from Shearwater computers. Use Deco Planner for dive scheduling. Learn gas mixtures and dive theory with built-in .

    ★ 4.691 ratingsUtilitiesFreeData updated 2026-09-06
  10. Retail Calculators app icon

    Retail Calculators

    Calculated Industries, Inc.

    Calculate profit, track pricing, refine margins

    Help manage business finances by pricing merchandise, calculating contribution margins, and determining gross profit. Users can compute loan payments, track inventory costs, and analyze profit margins.

    ★ 4.947 ratingsBusinessFreeData updated 2026-09-08
  11. Timber Engineering Calculator app icon

    Timber Engineering Calculator

    V PUGAZHENTHI

    Calculate and civil parameters

    Provides tools for calculating area, moment of inertia, distance from axis, radius of gyration, and section modulus for rectangular and square beams. Supports metric and imperial units.

    ★ 3.97 ratingsUtilities$3.99Data updated 2026-09-08

How we rank alternatives

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