Castella app icon

Apps Like Castella for iPhone and iPad

by SERDAR PERCIN★ 0.00 ratingsProductivityFreeData updated 2026-09-06

Ranked alternatives

Showing 181–200 of 1,000 ranked alternatives.

  1. Fluidas app icon

    Fluidas

    sdnord Systeme & Dienste GmbH

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-06
  1. Heating Pipe Size app icon

    Heating Pipe Size

    Sebastjan Valic

    Estimate diameter and calculate pressure drop

    Estimate diameter for hydronic systems by inputting or cooling output, water flow, and temperature values. Select material to get recommended DN . Calculate pressure drop and determine pump flow and head requirements.

    ★ 0.00 ratingsProductivity$5.99Data updated 2026-09-08
  2. احفظ القرآن - Ehfaz Al Quran app icon

    احفظ القرآن - Ehfaz Al Quran

    Ealamy Co.

    Record Quranic verses in stages

    Learn Quranic surahs through the Louh method. Divide surahs into multiple tablets, each containing 6 verses. Memorize verses in 4 stages with audio segments arranged hierarchically. Repeat and review audio sections for retention.

    ★ 4.449 ratingsEducationFreeData updated 2026-09-10
  3. Heating & Cooling HVAC Pro+ app icon

    Heating & Cooling HVAC Pro+

    Watsco, Inc.

    Access product info and tools anytime

    Link to your & Supply account to view pricing, order status, and real-time product availability at your preferred branch. Access tools for managing orders and tracking inventory across multiple locations.

    ★ 4.845 ratingsProductivityFreeData updated 2026-09-14
  4. HVAC Refrigerant PT app icon

    HVAC Refrigerant PT

    Cyberprodigy LLC

    HVAC/R pressure-temperature reference tool.

    The app provides pressure-temperature reference data for 55 refrigerants, including PT charts and superheat/subcooling calculations. It offers detailed refrigerant information and works offline without requiring an account or ads.

    ★ 4.864 ratingsUtilities$6.99Data updated 2026-10-13
  5. Astrolabe Clock app icon

    Astrolabe Clock

    Michael Smith

    View the sky and celestial bodies.

    The app displays the sky and shows the time of day, day of year, and the location of celestial bodies. It provides sunrise and sunset times, Moon phase, and transit times for celestial objects.

    ★ 4.748 ratingsReferenceFreeData updated 2026-09-17

How we rank alternatives

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