216+ iOS apps curated and reviewed
Looking for free specification toolbox apps? 17 of our 216+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (14K) | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.7★ (677) | No | No | Jul 2026 |
| 3 |  | Free | 4.6★ (60K) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.6★ (3K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.5★ (6K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.6★ (197) | No | No | Jul 2026 |
| 7 |  | Free | 3.7★ (7.1K) | No | No | Jul 2026 |
| 8 |  | Free | 5.0★ (3) | No | No | May 2026 |
Transform your device into a versatile toolkit with a comprehensive suite of measuring instruments. This app offers a metronome, stopwatch, timer, ruler, level, and various sensors to assist with a wide range of tasks.
This app provides digital tools for professional tradespeople to enhance efficiency. It offers features for tracking project time, calculating distances with a measurement camera, and converting units. Additionally, it allows for tool registration, repair inquiries, and dealer location.
Automate tasks across your favorite apps and smart home devices without coding. Save time by connecting services to trigger actions based on specific events. Explore a vast library of pre-built automations or create your own.
Manage and control a wide range of smart home devices, including plugs, switches, bulbs, and cameras, from a single, intuitive interface. Simplify your daily routines by turning devices on or off with a tap, and easily expand your smart home setup.
Unify control of thousands of smart home devices from various brands. Organize devices by room, automate tasks with custom scenes, and share access with family. Experience a simpler, more connected, and comfortable living space.
This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.
Control your smart lights with this app. Easily adjust brightness, color, and temperature. Automate schedules, create custom scenes, and explore fun lighting effects. Integrates with voice assistants and HomeKit for seamless control.
Access detailed specifications for Link-Belt excavators, forestry equipment, and material handlers. Features an interactive fuel calculator to estimate savings and allows offline access to data.
Control your smart home devices remotely from your iOS device. Manage lights, appliances, and entire rooms from anywhere. Automate schedules, simulate occupancy, and integrate with voice assistants and IFTTT for advanced control.
Transform your device into a versatile measuring toolkit. It offers a comprehensive suite of 13+ tools including a barometer, altimeter, compass, metronome, stopwatch, timer, and various levels for diverse applications.
Control your entire smart home from one app, locally and privately. Automate devices, receive notifications, and manage your home's data securely. Integrates with thousands of smart devices and open standards.
This app provides comprehensive preparation for the IBEW Aptitude Test and serves as a professional NEC reference for electricians. It features AI-powered code lookups, a full conduit bender calculator, and various field calculators. Access essential tools for the job site, including offline capabilities and dark mode.
This electronic pocket reference guide provides essential information for electrical professionals. It offers calculations, code tables, and detailed sections on motors, ampacities, grounding, and more, all accessible on your mobile device.
This app acts as a central hub for controlling a wide range of smart home devices from multiple brands. It allows for remote operation, scheduling, and integration with voice assistants like Alexa and Google Home, as well as IFTTT for advanced automation.
This comprehensive electronics engineering app provides professionals, hobbyists, and students with a vast array of tools and reference materials. It features a circuit editor, numerous calculation and conversion tools, and extensive component specifications with parametric search capabilities.
Control smart devices like bots, hubs, and sensors remotely. Schedule appliance operation and monitor environmental conditions. Expand your smart home ecosystem with new devices and features.
Transform your phone into a powerful car diagnostic tool. Read and clear trouble codes, monitor live sensor data, and analyze performance with real-time graphs. Get AI-powered insights and detailed vehicle history reports.
Control smart home devices remotely, including lights and appliances. Monitor and manage industrial equipment in real-time to boost efficiency and utilization.
This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.
Control smart plugs and connected devices remotely via Wi-Fi. Schedule on/off times, set custom security programs, and monitor energy consumption from your smartphone or tablet.