Best BoltSpec Pro alternatives: apps like BoltSpec Pro

10+ similar apps compared and reviewed

3.7 avg rating
8 free apps
Updated October 2026
BoltSpec Pro
BoltSpec Pro
Qixin Net (Beijing) Technology Co., Ltd.

BoltSpec Pro is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to BoltSpec Pro

Unit Converter For Engineers#2

Unit Converter For Engineers by Amanuel Abebaw

Torque, HVAC, Hardness, Wire
Strong Contender
🔧 Utilities
5.0(3 ratings)
FreeIn-App Purchases
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This app provides a comprehensive unit conversion tool specifically designed for engineers, offering specialized units not found in standard converters. It features offline functionality, fast search, and a clean interface, replacing the need for multiple reference materials.

ShopCalc: Machinist Calculator#3

ShopCalc: Machinist Calculator by Double Vision USA LLC

Machinist Feeds, Speeds & Tap
Worth Considering
🔧 Utilities
5.0(2 ratings)
FreeIn-App Purchases
ShopCalc: Machinist Calculator screenshot 1
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This app provides essential calculations for machinists, including speeds and feeds, tap drill sizes, and G-code generation. It offers a comprehensive set of tools for CNC operators and manual machinists, all accessible offline without ads or account creation.

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Psychrometrics
Psychrometrics
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This app provides tools for analyzing and quantifying air and moisture properties. It offers a comprehensive calculator, interactive chart, and project management features for HVAC engineers, meteorologists, and industrial professionals. Supports both SI and IP units for versatile use.

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Medusa link+
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Easy Pipe Fitter
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Pipefitter Tools
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This app assists pipe fitters and plumbers in planning, measuring, and executing pipe installation projects. It offers tools for pipe sizing, length calculations, layout design, and cost estimations, ensuring precision and efficiency.

Pipe sizing and material selectionPipe length calculationsPipe layout and design
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Piping Engineering Toolbox
Piping Engineering Toolbox
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This app provides piping engineers with essential tools, dimensions, and standards for design and analysis. It includes calculators, checklists, software shortcuts, and educational resources to streamline work and enhance knowledge.

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