Ductulator - Duct Sizing app icon

Apps Like Ductulator - Duct Sizing for iPhone and iPad

Size ducts by friction rate or velocity

Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.

by Wassim Murr★ 4.7362 ratingsProductivity$3.99Data updated 2026-11-09

Ductulator - Duct Sizing screenshots

Ranked alternatives

Showing 261–280 of 1,000 ranked alternatives.

  1. Hydraulic-Calculator app icon

    Hydraulic-Calculator

    Zanthic Automation Inc.

    Calculate forces and speeds

    Calculate cylinder forces and speeds. Determine pump speed, torque, and power using displacement, flow, and pressure. Compute fluid velocity, cross-sectional area, and Reynolds number for lines.

    ★ 4.117 ratingsProductivityFreeData updated 2026-09-08
  2. EditPDF - OCR Scan app icon

    EditPDF - OCR Scan

    蓓蕾 万

    Convert photos to PDFs instantly

    Convert photos and documents to PDFs with OCR technology. Edit text, annotate pages, and export files. receipts, notes, and papers quickly without registration or login. Share or save PDFs directly from the .

    ★ 4.321 ratingsProductivityFreeData updated 2026-09-06
  3. VeloCity: Handyman Pros Finder app icon

    VeloCity: Handyman Pros Finder

    Dinah Redhouse

    Find local help for your tasks

    Find local service providers for tasks, projects, or services. Upload a job request to receive instant bids. Message providers to select the candidate. View ratings and reviews to make informed decisions.

    ★ 4.919 ratingsBusinessFreeData updated 2026-09-13
  1. MultiSens-1234 app icon

    MultiSens-1234

    Sensos, LLC

    Test drive sensors and plot waveforms

    Test drive Machine Condition Monitoring sensors by connecting and plotting Time Waveform graphs and Vibration Spectrum in Acceleration, dB, and Velocity. Auto-calibrate to each sensor. Adjust sampling rates and number of samples for data acquisition.

    ★ 5.03 ratingsUtilitiesFreeData updated 2026-10-05
  2. HVAC ResLoad-J app icon

    HVAC ResLoad-J

    Carmel Software Corporation

    Perform ACCA Manual J8 load calculations easily.

    The app performs ACCA Manual J8 residential load calculations for HVAC technicians and contractors. It allows users to email PDF reports to customers and building officials, and supports unlimited projects with detailed load breakdowns.

    ★ 3.48 ratingsProductivity$199.99Data updated 2026-10-04
  3. Hydraulic System Calculator app icon

    Hydraulic System Calculator

    Trelleborg Sealing Solutions Germany GmbH

    Calculate hydraulic system components easily.

    The app calculates cylinder areas, volumes, forces, velocity, and time. It also computes motor and pump parameters, including flow rate, pressure, and power.

    ★ 4.03 ratingsProductivityFreeData updated 2026-10-29
  4. Xkey Plus app icon

    Xkey Plus

    ESI Audiotechnik GmbH

    Companion for ESI Xkey keyboard

    The app provides firmware updates for the ESI Xkey musical keyboard. It offers configuration options for sensitivity, timings, and key assignments, along with access to documentation and support.

    ★ 2.913 ratingsMusicFreeData updated 2026-10-19
  5. HVAC Quick Load app icon

    HVAC Quick Load

    Carmel Software Corporation

    HVAC load calculations for buildings.

    The app performs rule-of-thumb HVAC load calculations for various building types. Users input building area and occupants to determine heating, cooling loads, and air flows.

    ★ 3.33 ratingsProductivity$6.99Data updated 2026-11-04
  6. Rebar Grid Calculator app icon

    Rebar Grid Calculator

    H3Apps LLC

    Calculate layout and quantity

    Calculate requirements for concrete slabs by entering dimensions, spacing, and edge distances. Determine layout and quantities needed. Switch between imperial and metric units. Export results via text or email.

    ★ 4.713 ratingsBusiness$1.99Data updated 2026-10-17
  7. Wireline-Calcs app icon

    Wireline-Calcs

    Vadim Fattakhov

    Calculate tension, track depth, determine pressure balance,

    Calculate maximum safe tension, determine wellhead pressure balance, and find keyseat location. Compute cable elongation and pull limits at depth. Adjust lengths for temperature changes.

    ★ 5.05 ratingsProductivityFreeData updated 2026-09-06
  8. PasteMe - Pastebin Client app icon

    PasteMe - Pastebin Client

    RanduSoft SRL

    Paste code, logs, or text and get

    Allows users to share code, logs, or text snippets instantly via . It provides syntax highlighting, custom paste names, visibility settings, and smart language detection. Users can manage pastes in one place with account support and use dark mode.

    ★ 4.116 ratingsDeveloper Tools$2.99Data updated 2026-11-10
  9. ISS Tracker - Live Position app icon

    ISS Tracker - Live Position

    Lucent Enterprises Ltd.

    Track the ISS and view its orbit

    Monitor the International Space Station with real-time tracking on an interactive world map. View current altitude, velocity, and orbital period. Access precise latitude and longitude coordinates. Choose between standard and satellite map views.

    ★ 5.010 ratingsUtilitiesFreeData updated 2026-09-06
  10. FG Funnels app icon

    FG Funnels

    Funnel Gorgeous LLC

    Build sales with ease

    Create and manage sales with drag-and-drop builders. Automate email sequences and lead nurturing. Track conversions and analytics. Integrate with payment gateways and CRM tools. Customize templates for branding.

    ★ 4.58 ratingsProductivityFreeData updated 2026-09-06
  11. Structural Engineering lite app icon

    Structural Engineering lite

    V PUGAZHENTHI

    Calculate loads, beams, and columns

    Solve and civil problems with 58 calculators. Calculate shear capacity, critical ratio, effective length factor, slenderness ratio, and allowable compressive stress. Switch between Imperial and Metric units.

    ★ 4.219 ratingsUtilitiesFreeData updated 2026-09-08
  12. Earnee: Family Chores Tracker app icon

    Earnee: Family Chores Tracker

    Earnee LLC

    Earn rewards

    Track and manage child behavior with customizable reward and penalty systems. Set specific actions and consequences. Assign points for positive behavior and deduct points for negative actions. Monitor progress over time and adjust settings as needed.

    ★ 5.022 ratingsLifestyleFreeData updated 2026-09-06

How we rank alternatives

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