Ref Tools app icon

Apps Like Ref Tools for iPhone and iPad

Access , guides, and support on

Access HVACR for job support. Calculate refrigerant pressures and charge weights. View system diagrams and service guides. Track equipment specifications and maintenance schedules. Share resources and access technical support.

by Danfoss A/S★ 3.952 ratingsUtilitiesFreeData updated 2026-09-08

Ref Tools screenshots

Ranked alternatives

Showing 321–340 of 1,000 ranked alternatives.

  1. TuneBro app icon

    TuneBro

    Callaloo Records LLC

    Tune instruments with precision and timing

    Allows users to tune instruments with a chromatic tuner that detects pitch quickly and tracks low notes. It displays LED and cent readings for precise tuning. Users can set reference tones for ear training.

    ★ 5.03 ratingsMusicFreeData updated 2026-09-06
  2. Speak Chinese 101 app icon

    Speak Chinese 101

    UMATEY LLC

    Learn phrases and vocabulary

    Learn basic phrases through English-to- translations. Follow native tutors to practice pronunciation. Look up words and phrases for travel or daily use. Save progress and review vocabulary for reinforcement.

    ★ 2.813 ratingsEducation$0.99Data updated 2026-09-08
  3. Mechanical Engineer app icon

    Mechanical Engineer

    Historycentral.com Inc

    Design components, calculate loads, generate reports

    Access engineering formulas for calculations, unit conversions, and property lookups. Input variables to solve equations. Store and organize formulas for quick reference. Export results and notes. Sync data across devices.

    ★ 4.48 ratingsProductivityFreeData updated 2026-09-08
  4. Proportional Scale app icon

    Proportional Scale

    Courtney Parsons

    Calculate image dimensions without distortion.

    The app calculates new image dimensions while maintaining aspect ratio to prevent distortion. It offers fraction and percent modes, and an image scale tool for precise pixel sizing with a preview.

    ★ 4.514 ratingsUtilities$1.99Data updated 2026-09-11
  5. Silverson Conversion Tools app icon

    Silverson Conversion Tools

    Silverson Machines Limited

    Calculate tank volume with precise parameters

    Calculate tank volume for cylindrical or rectangular tanks with flat, dished, spherical, or conical top and bottom styles. Input parameters to determine volume. Share results via email. View product information in a browser.

    ★ 4.73 ratingsUtilitiesFreeData updated 2026-09-08

How we rank alternatives

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