ThetaCalc app icon

Apps Like ThetaCalc for iPhone and iPad

by Felix Stehli★ 4.24 ratingsUtilitiesFreeData updated 2026-09-28
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Ranked alternatives

Showing 261–280 of 1,000 ranked alternatives.

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    Stellar by ARRI

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    ★ 4.541 ratingsProductivityFreeData updated 2026-09-15
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    YShelper

    Shenzhen Lefun Imagination Co.Ltd

    ★ 3.135 ratingsUtilitiesFreeData updated 2026-09-06
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  3. Flow Rate Help app icon

    Flow Rate Help

    Armchair Engineering

    Calculate , diameter, or velocity

    Calculate fluid rates, pipe diameter, or liquid velocity. Choose units for diameter, velocity, and . Set decimal precision for results. Solve equations for accurate measurements.

    ★ 4.344 ratingsUtilities$0.99Data updated 2026-09-10
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  4. AI Chatbot - Chat AI app icon

    AI Chatbot - Chat AI

    勇 黎

    With AI, write, and learn

    With AI for real-time conversations and answers to questions. Generate poems, stories, and emails. Edit code, correct homework, and write reports. Personalize interactions with custom characters.

    ★ 4.634 ratingsUtilitiesFreeData updated 2026-09-06
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  5. Calc Pro - Simple and Useful app icon

    Calc Pro - Simple and Useful

    Keita Nonaka

    Calculate large numbers precisely

    Perform complex mathematical calculations with up to 15 digits of decimal precision. Handle large numbers without ellipsis. Save and reuse calculation equations. Access calculation history even after closing the .

    ★ 4.86 ratingsUtilitiesFreeData updated 2026-09-16
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  6. 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
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  7. RPN-65 SD app icon

    RPN-65 SD

    Willy Kunz

    Simulate HP-65 calculator

    Simulate a programmable calculator with input. Run HP-65 programs, store and retrieve data from magnetic cards. View and edit calculator memory. Access historical documentation and user guides.

    ★ 5.08 ratingsProductivity$2.99Data updated 2026-10-29
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  8. Scientific Calculator++ app icon

    Scientific Calculator++

    Behzad Dogahe

    Calculate, graph, and analyze data

    Calculator++ displays expressions in real-time and maintains a calculation history. It supports fraction operations, unit conversions, and advanced functions. Users can graph equations and perform complex calculations.

    ★ 5.021 ratingsUtilities$2.99Data updated 2026-09-08
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  11. Plusly Calculator app icon

    Plusly Calculator

    Emmanuel Vizcarra

    Calculate, edit, and share results

    Perform calculations with advanced operators and scientific functions. Use trigonometric, logarithmic, and round functions. Calculate tips and discounts. Edit expressions on the fly with a magic cursor. Share results directly.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
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  15. JSON Helper for AppleScript app icon

    JSON Helper for AppleScript

    David Blishen

    Work with JSON in AppleScript.

    The app converts JSON to AppleScript records, lists, and strings. It also converts AppleScript records, lists, and strings into JSON, and parses web service responses.

    ★ 0.00 ratingsDeveloper ToolsFreeData updated 2026-09-21
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How we rank alternatives

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