Best Knot Guide HD alternatives: apps like Knot Guide HD

9+ similar apps compared and reviewed

4.5 avg rating
7 free apps
Updated November 2026

Knot Guide HD is great, but it's not the only option. Explore 9+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Knot Guide HD

Trade Calculator - Sheet Metal#3

Trade Calculator - Sheet Metal by Matthew Lutterloh

Construction & HVAC Tool
Worth Considering
🔧 Utilities
5.0(1 ratings)
Free
Trade Calculator - Sheet Metal screenshot 1
Trade Calculator - Sheet Metal screenshot 2
Trade Calculator - Sheet Metal screenshot 3
Trade Calculator - Sheet Metal screenshot 4

This tool simplifies complex calculations for construction and HVAC professionals. It handles feet-inches-fractions arithmetic, trigonometric functions, and specialized trade calculations like rafters and duct sizing. Works offline without ads or subscriptions.

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Boat Maintenance Planner
Boat Maintenance Planner
Boat Maintenance Planner
Boat management made easy
Free
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5
USA Scanner
USA Scanner
USA Scanner
Identify Made-in-USA instantly
Free

Instantly check product origins by scanning barcodes. This utility reveals country information embedded in barcodes, highlighting items potentially linked to the USA. It focuses on registration details, encouraging further investigation into manufacturing and ownership.

Barcode scanningProduct origin identificationUSA product detection
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(1)
free
6
SwR - Global Radio
SwR - Global Radio
SwR - Global Radio
Worldwide online SDR receivers
Free

Access a global network of public shortwave receivers, including KiwiSDR and OpenWebRX. Tune into live broadcasts, amateur radio frequencies, and utility stations worldwide. Explore the HF bands with real-time spectrum analysis and intuitive controls.

Global SDR network accessReal-time spectrum analyzerIntuitive drag-to-tune interface
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7
BuildCalc
BuildCalc
BuildCalc
Construction Calculator
$24.99

This app enhances traditional construction calculators with advanced functions for layout, material estimation, and complex calculations. It offers interactive features, customizable material sizes, and streamlined results presentation to reduce complexity and improve accuracy for professionals.

Advanced baluster and stair layoutFence post and material estimationInteractive calculation adjustments
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8
PCalc
PCalc
PCalc
The Best Calculator
$9.99

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

Optional RPN modeMulti-line displayExtensive unit conversions
🔧 Utilities
(779)
free with in-app purchases
9
Drum Touch
Drum Touch
Drum Touch
by Cherub Technology Co. Ltd
Free

This app connects to specific electronic drum hardware, allowing users to customize drum kits, tones, triggers, and effects. It also includes a metronome for practice and learning.

Drum kit selection and custom kit loadingIndividual percussion tone and pitch adjustmentTrigger sensitivity and velocity curve settings
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