Best Engineering Tool Apps

246+ iOS apps curated and reviewed

4.1 avg rating
16 free apps
Updated August 2026

Finding the right engineering tool apps can be overwhelming with so many options. We've analyzed 246+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Engineering Tool Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ElectriCalc: Engineering ToolElectriCalc: Engineering ToolFreeNoNoMay 2026
2Engineer's Unit ConverterEngineer's Unit ConverterFreeNoYesAug 2026
3Pressure Vessel Heads.Pressure Vessel Heads.FreeNoYesJul 2026
4Handy Art Reference ToolHandy Art Reference Tool$1.994.8★ (1.2K)NoYesAug 2026
5Dyno Chart - OBD II Engine Performance ToolDyno Chart - OBD II Engine Performance ToolFree1.2★ (6)NoYesAug 2026
6HyToolsHyToolsFree4.0★ (5)NoNoJul 2026
7Tooling U-SMETooling U-SMEFree4.4★ (196)NoNoAug 2026
8Ajax PRO: Tool For EngineersAjax PRO: Tool For EngineersFree4.5★ (11)NoNoAug 2026

Top Picks for Engineering Tool

More Engineering Tool apps to explore

4
Handy Art Reference Tool
Handy Art Reference Tool
Handy Art Reference Tool
3D Lit Reference for Artists!
$1.99

This app provides artists with rotatable 3D models of hands, heads, and feet for drawing reference. Customize poses and lighting to achieve realistic results for your artwork. Additional packs for animal skulls and foot rigs are available for purchase.

Rotatable 3D limb modelsCustomizable posesAdjustable 3-point lighting
📚 Education
(1.2K)
free with in-app purchases
5
Dyno Chart - OBD II Engine Performance Tool
Dyno Chart - OBD II Engine Performance Tool
Dyno Chart - OBD II Engine Performance Tool
by K SOLUTION LLC
Free

This tool analyzes your vehicle's engine performance, displaying max power and torque against RPM. It connects via an OBD II adapter to gather sensor data and generate detailed charts. Ensure compatibility before unlocking full features.

Max power and torque vs RPM chartsOBD II sensor data collectionVehicle compatibility check
⚽ Sports
(6)
free with in-app purchases
6
HyTools
HyTools
HyTools
by IMI Hydronic Engineering International SA
Free

This app provides HVAC professionals with a comprehensive suite of hydronic calculation tools. It assists with tasks like valve sizing, pressure drop calculations, and radiator power estimation. The tool offers unit conversion and language selection for user convenience.

Hydronic calculatorValve sizing and presettingRadiator power estimation
📊 Productivity
(5)
free
7
Tooling U-SME
Tooling U-SME
Tooling U-SME
Class Player
Free

Access manufacturing classes on your mobile device. This app provides easy access to your scheduled courses, including audio, video, and interactive content, for a convenient learning experience on the go.

Access manufacturing classesView schedulesPlay audio and video content
📚 Education
(196)
free
8
Ajax PRO: Tool For Engineers
Ajax PRO: Tool For Engineers
Ajax PRO: Tool For Engineers
by Ajax Systems Inc
Free

This app empowers security system installers and company employees to manage and configure Ajax security systems. It facilitates quick connections, adjustments, and testing of devices, offering extensive control over an unlimited number of security systems, user access, and automation scenarios.

Administer unlimited security systemsMonitor system status and adjust settingsManage user access rights
🌟 Lifestyle
(11)
free
9
Machinist Tool
Machinist Tool
Machinist Tool
by Allied Machine & Engineering Corp.
Free

This app offers machinists and engineers tools and resources for holemaking and finishing applications. It helps convert cutting tool parameters and select the right boring inserts. Users can also access product literature and connect with an engineering helpline.

Cutting tool parameter conversionBoring insert selection guideAccess to product literature
📊 Productivity
(5)
free
10
Cutting Tool Engineering
Cutting Tool Engineering
Cutting Tool Engineering
by CTE PUBLICATIONS, INC
Free

Access the leading magazine for the metalworking industry, covering all aspects of machining processes. Explore cutting and grinding operations, tools, fluids, and machine technologies. Published 12 times a year, it's a key resource for industry decision-makers.

Metalworking industry coverageMachining process insightsCutting and grinding operations
📡 News
(1)
subscription
11
MudLAB - Mud Engineer Tool
MudLAB - Mud Engineer Tool
MudLAB - Mud Engineer Tool
by zhandos uakanov
$0.99

This app provides essential calculations and a comprehensive reference guide for oilfield operations. It offers quick access to critical data and tools, ensuring efficient and safe project execution for mud engineers and industry professionals.

Effortless critical calculationsComprehensive reference guideUp-to-date API data
🔍 Reference
(0)
paid
12
Steam Tools
Steam Tools
Steam Tools
by Spirax-Sarco Engineering plc
Free

This application provides quick access to steam tables with thermodynamic data for water/steam and a tool to help size saturated steam pipelines. It allows users to input pressure or temperature to retrieve relevant data and offers output in various standardized units.

Steam Tables for thermodynamic dataSaturated Steam Pipe Sizing toolInput pressure or temperature
🔧 Utilities
(8)
free
13
EE ToolKit
EE ToolKit
EE ToolKit
Electronics Engineering
Free

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference tools for engineers, students, and hobbyists. It features a multi-functional keyboard, color code tools, audio scope, frequency generator, and component references with datasheet access. The app supports real-time circuit simulations and includes a file manager for saving calculations.

Over 160 electronic applicationsMulti-functional keyboardColor code and SMD code tools
📚 Education
(1.4K)
free with in-app purchases
14
PP-NET Tool
PP-NET Tool
PP-NET Tool
by Sarco NET
Free
🔧 Utilities
(0)
15
Utility Tools: Ultimate
Utility Tools: Ultimate
Utility Tools: Ultimate
by Xi'an Lihe Building Decoration Engineering Co., Ltd.
Free
📊 Productivity
(0)
16
Water Buddie - Engineer's Tool
Water Buddie - Engineer's Tool
Water Buddie - Engineer's Tool
Engine Pressure Calculator
$3.99
🔍 Reference
(0)
17
Civil Engineering Pack
Civil Engineering Pack
Civil Engineering Pack
Build, Design & Analysis Tool
$19.99

This comprehensive tool offers over 500 calculations for civil engineering disciplines. It covers structural design, concrete, beams, hydraulics, foundations, surveying, soil mechanics, road construction, timber, and bridges. Supports both SI and Imperial units.

Over 500 civil engineering calculations12 comprehensive modulesStructural, concrete, and beam engineering
🔧 Utilities
(21)
paid
18
Structural Engineering Suite
Structural Engineering Suite
Structural Engineering Suite
Calculators, Tools & Lessons
Free
📚 Education
(0)
19
MOLDINO
MOLDINO
MOLDINO
by MOLDINO Tool Engineering,Ltd.
Free
📊 Productivity
(0)
20
ADCA Tools
ADCA Tools
ADCA Tools
Enhance your productivity
Free
🔧 Utilities
(0)

FAQ about Engineering Tool

Are there free engineering tool apps for iPhone?
Yes — 16 of the top engineering tool apps we rank are free to download, including ElectriCalc: Engineering Tool and Engineer's Unit Converter.
ElectriCalc: Engineering Tool has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 246+ engineering tool apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

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