Boostane app icon

Apps Like Boostane for iPhone and iPad

Calculate desired octane with BOOSTane.

The app calculates the amount of BOOSTane needed to reach a desired octane level. Users can save calculations, email or text them, and get estimated horsepower.

by BOOSTane, LLC★ 2.027 ratingsUtilitiesFreeData updated 2026-10-10

Boostane screenshots

Ranked alternatives

Showing 41–60 of 1,000 ranked alternatives.

  1. PCalc app icon

    PCalc

    TLA Systems Ltd.

    Calculate, convert, and program with precision

    Perform complex calculations with scientific, engineering, and hexadecimal modes. Use RPN and multi-line display. Convert units and access constants. Undo and redo actions. Sync with Apple Watch for on-the-go calculations.

    ★ 4.7779 ratingsUtilities$9.99Data updated 2026-10-28
  2. Calculator Keyboard - Calku app icon

    Calculator Keyboard - Calku

    Supagarn Pattananuchart

    Calculate within any

    Allows users to perform calculations directly within compatible apps. Input equations using the . Dark Mode is supported. Full iPadOS compatibility is available. Customization options are provided.

    ★ 4.7476 ratingsUtilitiesFreeData updated 2026-09-06
  3. HourHack app icon

    HourHack

    Rosenbergs LLC

    Calculate time between two dates

    Calculate time differences between two times or dates. Display results in hours, minutes, or days. Input dates or times directly for instant calculations. Simplify time tracking and event planning with precise duration measurements.

    ★ 5.010 ratingsUtilitiesFreeData updated 2026-09-06
  1. Calculator Pro Lite app icon

    Calculator Pro Lite

    Cider Software LLC

    Customize themes and buttons

    Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.

    ★ 4.63,075 ratingsUtilitiesFreeData updated 2026-09-08
  2. EngineCalc app icon

    EngineCalc

    iTrinity, Inc.

    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.

    ★ 2.33 ratingsUtilities$0.99Data updated 2026-09-08
  3. Taxealo app icon

    Taxealo

    Miguel Morales

    Calculate tax and total price before purchase

    Calculate tax amounts and total prices including tax for any rate. Apply discount percentages to reduce total amounts. View breakdowns of tax, discount, and final price. Share results via copy or email.

    ★ 4.890 ratingsFinanceFreeData updated 2026-09-10
  4. Sales Tax Calculator > app icon

    Sales Tax Calculator >

    monkeyLabs inc.

    Calculate checkout totals fast and easy.

    The app calculates the final price after discounts, coupons, rebates, and sales tax. It handles multiple local taxes and reverse calculations to find pre-tax prices or subtotals.

    ★ 4.82,521 ratingsFinanceFreeData updated 2026-10-22
  5. Pipe Offset Assistant app icon

    Pipe Offset Assistant

    H3Apps LLC

    Calculate lengths and send results via text

    Calculate travel and run lengths using simple or rolling offsets. Input angles to determine material requirements. Export results via text or email.

    ★ 4.77 ratingsProductivity$1.99Data updated 2026-10-12
  6. Quick Tip Calculator app icon

    Quick Tip Calculator

    Mike Hughes

    Calculate tips and split bills instantly

    Calculate tips and split bills by entering the total amount and selecting a tip percentage. View the tip and total instantly. Ideal for restaurants, cafes, and service settings.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  7. Math AI: Study Companion app icon

    Math AI: Study Companion

    Peter Jones

    Solve equations and calculate results

    Solve basic problems with a user-friendly . Handle complex equations with functions. Perform calculations, graph functions, and convert units. Store frequently used formulas for quick access.

    ★ 4.21,448 ratingsUtilitiesFreeData updated 2026-09-18
  8. EZ Calculator 2021 app icon

    EZ Calculator 2021

    Corntree tech Co.Ltd

    Calculate, edit, and track numbers

    Allows users to perform basic and scientific calculations. It supports arithmetic operations, square roots, percentages, and trigonometric functions. Users can edit expressions with a movable cursor and view calculation history.

    ★ 4.8230 ratingsUtilitiesFreeData updated 2026-09-06
  9. Basic Calculator Pro app icon

    Basic Calculator Pro

    SuperDG Inc.

    Calculate, edit, and track entries

    A with simple arithmetic functions. Displays calculation history. Shows current input. Features intuitive design and universal compatibility. No additional features or complex calculations included.

    ★ 4.8699 ratingsUtilities$1.99Data updated 2026-09-09
  10. Tape Measure Calculator Pro app icon

    Tape Measure Calculator Pro

    Bugfoot Studios LLC

    Calculate measurements directly on the

    Calculate measurements with addition, subtraction, multiplication, and division. Convert between decimals and fractions. Display results directly on a visual interface. Mark precise positions without manual calculations.

    ★ 4.82,231 ratingsUtilities$4.99Data updated 2026-10-27
  11. Mortgage Calculator + app icon

    Mortgage Calculator +

    Adam Fahlman

    Calculate payments and savings

    Calculate payments with weekly, bi-weekly, and monthly options. Input taxes, insurance, and utilities. Estimate interest savings from higher payments. View amortization schedules. Save and compare multiple calculations. Sync to iCloud.

    ★ 4.6233 ratingsFinance$2.99Data updated 2026-09-09
  12. Cross Stitch Calculators app icon

    Cross Stitch Calculators

    Diana Białogrzywa

    Calculate fabric size and material needs

    Calculate fabric size in centimeters or inches based on count and fabric type. Determine thread consumption for specified stitches. Input project details to estimate material needs. Export calculations for reference.

    ★ 4.7320 ratingsLifestyleFreeData updated 2026-09-19
  13. Scorer Agricola Plus app icon

    Scorer Agricola Plus

    Bjoern Brunnermeier

    Calculate board game scores intuitively and quickly.

    The app calculates individual scores for board game members. It provides quick and intuitive score calculations, avoiding manual and error-prone methods.

    ★ 3.84 ratingsGames$0.99Data updated 2026-10-23
  14. Chippy Tools: Construction app icon

    Chippy Tools: Construction

    Peth Pty Ltd

    Calculate measurements and convert units

    Calculate measurements, convert units, and estimate material quantities. Perform trigonometry, slope calculations, and area computations. Save frequently used formulas and access them quickly. Export results and share via email or messaging.

    ★ 4.5797 ratingsUtilitiesFreeData updated 2026-09-06
  15. HDReye app icon

    HDReye

    HDReye Technologies Inc.

    Shoot 360° HDRi panoramas

    Capture 360° HDRi images using multi-exposure panoramas. Adjust dynamic range settings. Stitch and export 32-bit EXR format files. Generate realistic 3D lighting and lightmaps for animation and compositing.

    ★ 4.5706 ratingsPhoto & VideoFreeData updated 2026-09-06
  16. Electrical Calculator lite app icon

    Electrical Calculator lite

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.

    ★ 4.6575 ratingsUtilitiesFreeData updated 2026-09-09
  17. Calculator-Basic & Scientific app icon

    Calculator-Basic & Scientific

    清龙 李

    Calculate, solve, and analyze math problems

    Perform basic and calculations including trigonometric and inverse trigonometric functions. Use mathematical functions like absolute value, ceiling, floor, and rounding. Modify calculations in real time by clicking steps.

    ★ 4.7338 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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