This app helps new multimeter users understand readings by automatically converting measurements to their basic units. It provides detailed conversion steps to aid learning and build confidence. Suggestions for improvement are welcome.



209+ iOS apps curated and reviewed
Every iPhone needs a few good voltage meter apps. We benchmark 209+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.







This app helps new multimeter users understand readings by automatically converting measurements to their basic units. It provides detailed conversion steps to aid learning and build confidence. Suggestions for improvement are welcome.






Personalize your charging experience with custom sounds and animations. This app also offers tools to test charging speed, estimate battery life, and provide maintenance tips.


Measure your device's charging speed with different chargers, cables, and wireless sources. Track app battery usage, estimate remaining time for activities, and compare charging accessories to find the best ones.


This utility app acts as a digital multimeter for your device. It measures power consumption, monitors battery charge and discharge rates, and evaluates charger and cable quality in real-time.




This utility app detects invisible electromagnetic fields using your device's magnetometer. It scans for alternating current waves from power lines and unshielded devices, employing a unique algorithm to isolate local magnetic flux.




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.


Measure light intensity in lux and foot candles with this 2-in-1 meter. Optimize photography settings, adjust indoor lighting, or prevent eye strain with professional-quality readings directly from your smartphone.


This app functions as a standalone reflective light meter or pairs with hardware for professional flash and color temperature measurements. It offers various modes for photography and videography, storing measurements with notes and location.




Detect electromagnetic fields (EMF) around you using your phone's sensors. Identify high-radiation zones in your home and workplace to better organize your environment and potentially improve well-being. Measure EMF emitted by various electronic devices and appliances.


This app functions as a digital measuring tool, allowing you to measure objects and distances with accuracy. It also enables you to create sketches with text annotations and share your measurements and designs.


This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.


This utility app allows users to receive and record KVM readings in real-time on their iOS devices. It facilitates easy data collection, sharing, and provides graphical representations of test results. Connect wirelessly to multiple devices for efficient data management.


Manage and read your Luna Smart Electricity Meters with this dedicated application. It provides a streamlined interface for monitoring your energy consumption directly from your smart meter.


Enhance your phone's charging experience with dynamic animations and unique battery effects. Create custom charging screens by uploading your own videos and explore a vast library of 4K animations and wallpapers. Get helpful battery tips to extend your device's lifespan.


This utility app connects to a clamp meter via Bluetooth to display real-time measurements on your mobile device. It offers visual charting, remote monitoring, and data export for storage and processing.

