DD Toolbox app icon

Apps Like DD Toolbox for iPhone and iPad

by Resonance, Inc US★ 3.713 ratingsUtilitiesFreeData updated 2026-09-08
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DD Toolbox screenshots

Ranked alternatives

Showing 701–720 of 1,000 ranked alternatives.

  3. droPWR app icon

    droPWR

    HEIDENHAIN CORPORATION

    ★ 5.03 ratingsProductivityFreeData updated 2026-09-06
    App details
  2. RPN-67 NP app icon

    RPN-67 NP

    Willy Kunz

    Simulate HP-67 calculator functions

    Load and run 25 original programs from the HP-67 calculator. Perform calculations using reverse Polish notation. Access a wide range of mathematical and scientific functions. Store and retrieve programs using magnetic card simulation.

    ★ 4.04 ratingsProductivityFreeData updated 2026-09-08
    App details
  5. Field Strength Estimator app icon

    Field Strength Estimator

    Rohde & Schwarz GmbH & Co. KG

    Estimates field strength and power.

    The app calculates power flux density, electric and magnetic field strength from transmitted power, frequency, and antenna gain. It also computes receiver input power from receiving antenna gain, assuming theoretical values.

    ★ 4.24 ratingsProductivityFreeData updated 2026-09-13
    App details
  16. HIRaceDay app icon

    HIRaceDay

    Roanoke Electronic Controls, Inc.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-17
    App details

How we rank alternatives

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