220+ iOS apps curated and reviewed
The best eevblog 121gw apps on iPhone average 4.5★ across 220+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
This mobile application connects to a specific Bluetooth-LE multimeter, offering various features such as control buttons, spoken measurements, and dark mode, while also providing a public beta for users to test and provide feedback. Download the app to enhance your multimeter experience and help shape its development by providing valuable insights.
Access real-time data from your car's onboard diagnostic system with this powerful OBD2 scan tool. Monitor and analyze your vehicle's performance, troubleshoot issues, and make informed maintenance decisions. Get insights and stay on top of your car's health with OBD Fusion now!
Measure the sound levels around you accurately with our Decibel Meter Ultra app. Stay informed and protect your hearing by monitoring noise levels in real-time. Download now for a quieter and safer environment.
An advanced sound level meter app with a built-in Spectrum Analyzer for precise measurements. Monitor noise levels, save measurements, export data, and protect your hearing using various features. Download now for accurate sound monitoring and protection.
This application allows users to quickly and accurately test their Wi-Fi and cellular network speeds with just a tap on their mobile devices. It offers features like measuring download/upload speeds, video streaming quality, historical test results tracking, and troubleshooting of internet speed issues, all while maintaining user privacy and independence from service providers. Try it out now!
Discover your internet connection's speed with our app. Test your download and upload speeds, perform ping tests, and troubleshoot network issues easily. Get real-time results and optimize your internet for a seamless browsing experience!
Check your internet speed and WiFi connection with our app. Measure your download and upload speeds, track connection quality, and troubleshoot any issues for an improved online experience. Get the app now to ensure you're always connected at top speed!
A comprehensive electronic pocket electrician reference guide for electrical professionals and enthusiasts, providing essential information, calculations, NEC tables, and safety manuals. Visit MasterSparky.com for more details and upgrade to the full version for extensive content covering NEC codes over various years.
Transform your device into a professional-grade audio analysis suite with industry-leading processing, precision calibration tools, and comprehensive visualization capabilities. Download now and unlock the full spectrum of acoustic measurement capabilities for applications such as acoustic measurement, audio engineering, environmental noise consulting, and more.
Transform your iOS device into a professional sound level meter with our leading noise meter app. Measure sound pressure levels accurately and protect your hearing, whether you're an audio expert or simply curious about your surroundings. See noise levels on your Apple Watch, export data to the Health app, and enjoy features like frequency analysis and dosimeter readings.
Put your electrical knowledge to the test with this daily quiz app for electricians! Answer a new question each day or binge-answer them all at once. Perfect for apprentices, journeymen, and masters looking to sharpen their skills or refresh their knowledge. Lightning-fast learning on all things electrical!
Get precise sound measurements on your smartphone with AudioTools. Measure dB levels, analyze sound frequencies, and optimize audio equipment for the best sound quality on the go. Download now for accurate audio analysis!
A must-have app for electronics enthusiasts with calculators and references covering a wide range of topics including Ohm's law, capacitor codes, resistor color marking, and much more. Join over 100,000 users in simplifying electronics work or studies today. Unlock even more tools with the PRO version for enhanced functionality. Check it out now!
Fluke Connect is a wireless test tool and sensor system that helps troubleshoot equipment, manage maintenance programs, and improve uptime. With the Fluke Connect Measurements app, capture and save measurements to the cloud, securely access them from any device, and easily share with colleagues for real-time collaboration. Unlock more features with a Fluke Connect Assets subscription to assign measurements to assets, create work orders, and track asset status over time.
Generate pure sine wave tones at various frequencies for purposes like tuning instruments, hearing tests, and audio equipment testing. Easily adjust frequencies, volume, and output options with user-friendly controls. Created by audio experts at TMSOFT. Explore more apps at http://www.tmsoft.com/.
Discover a revolutionary augmented reality app that allows you to visualize Wi-Fi signals in real-time, ensuring optimal placement of routers for maximum speed and coverage. Experience seamless connectivity like never before - download now for a smarter, faster Wi-Fi setup!
Test your speakers with this app, which offers a range of features to enhance your audio experience, including a tone generator, sound wave customization, and a speaker booster. Download now to experience high-quality sound and schedule regular speaker tests with customizable options.
Check your WiFi speed with this app to ensure smooth internet browsing and streaming. Test your connection with just one tap!
An interactive circuit simulation app that lets users build and play with electronic circuits, providing real-time insight into circuit operation. Features automatic wire routing, thousands of components, and a mobile simulation engine for students and enthusiasts. Download for free with an option for a full version upgrade for $14.99.