Best 4Iiii Power Meter Apps

225+ iOS apps curated and reviewed

3.6 avg rating

18 free apps

Updated June 2026

The best 4iiii power meter apps on iPhone average 3.6★ across 225+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for 4Iiii Power Meter

#1

4iiii by 4iiii Innovations Inc.

Editor's Choice

💪 Health & Fitness

1.6😞(91 ratings)

FreeAds

4iiii screenshot 1

4iiii screenshot 2

4iiii screenshot 3

Connect and configure your 4iiii power meters and heart rate monitors. Record workout data, update device firmware, and even turn your Apple Watch into a cycling head unit. Track power, cadence, heart rate, and more while riding.

What We Love

✅ Firmware updates work smoothly when functioning
🔋 Battery status display
⚙️ Zero offset calibration functionality
🎯 Successfully pairs with power meters (when working)

Room to Improve

🐛 Cannot detect multiple power meters simultaneously
🐛 Frequent connection failures and disconnections
🐛 App crashes and freezes regularly

#2

4i同频 by 珍王

Strong Contender

🌐 Social Networking

0.0(0 ratings)

FreeAdsIn-App Purchases

4i同频 screenshot 1

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4i同频 screenshot 3

#3

dB meter lite - noise measure by Anna Koynova

Noise decibel meter

Worth Considering

🔧 Utilities

4.6(308 ratings)

FreeIn-App Purchases

dB meter lite - noise measure screenshot 1

dB meter lite - noise measure screenshot 2

This application measures sound levels in decibels using your device's microphone. It displays current, peak, and maximum SPL levels, with options to save measurements and view historical data through a graph histogram. The app allows for self-calibration to ensure accuracy.

More 4Iiii Power Meter apps to explore

Convert Any Unit Lite

Convert Any Unit Lite

Units & Currency Converter

Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.

Intelligent unit search with autocompleteAutomatic category selectionIntegrated calculator

Regular Power Watchdog

Regular Power Watchdog

by Hughes Autoformers

Monitor your energy consumption with this app. It scans BLE sensors to display energy data and provides alerts when usage exceeds set limits. Choose the correct interface based on your specific sensor model.

Scan BLE energy sensorsSensor-specific interfacesAlerts for exceeding limits

Power Converter

Power Converter

by Rick Kolluri

by SolarEdge Technologies Ltd

Monitor and control your SolarEdge smart energy devices remotely. Track energy production and consumption in real-time, identify efficiency improvements, and manage smart home devices and EV charging. Troubleshoot inverter issues with guided instructions.

Real-time energy trackingEnergy efficiency identificationSmart home device control

Toolbox PRO: Smart Meter Tools

Toolbox PRO: Smart Meter Tools

Best Measuring Tool Box App

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.

Barometer for atmospheric pressureAltimeter for elevation above sea levelCompass for navigation

by POWER ELECTRONICS ESPANA SL

Manage your photovoltaic plants with real-time monitoring and instant fault reporting. Receive equipment status alerts and optimize your projects with detailed metrics.

Photovoltaic plant managementReal-time equipment monitoringInstant fault reporting

Speedmeter mph digital display

Speedmeter mph digital display

Digital HUD Speedometer

This GPS-powered application displays your current speed in a clear digital format, suitable for vehicles, cycling, or walking. It offers offline functionality and provides additional features like trip distance measurement, altitude tracking, and real-time speed limit warnings.

Digital HUD speedometerOffline trip distance measurementApple Watch integration

EXFO Power Checker

EXFO Power Checker

This app extends the optical testing capabilities of the MPC-100 to your smart device. Manage all your testing results in one place and leverage your device for cost-effective, portable optical power checking.

Optical testing on smart devicesResults managementWireless Bluetooth connection

📊 Productivity

Monitor your home's real-time energy consumption and track historical usage. Set monthly spending targets, receive alerts, and get tips to optimize energy use and save money. Integrates with time-of-use tariffs for further savings.

Real-time power usage displayHistorical energy consumption trackingMonthly spend target setting

free with in-app purchases

Units: Unit converter

Units: Unit converter

Measurement, Currency

$9.99 | 100% OFF

Easily convert between a wide range of measurement units and currencies. Features a clear and simple interface for quick conversions of length, mass, volume, speed, and more. Supports popular currencies and common units for everyday use.

Extensive unit conversionsMultiple currency supportEasy and clear handling

📊 Productivity

free with in-app purchases

Measure - ARKit Ruler & Meter

Measure - ARKit Ruler & Meter

Measure Dimensions with camera

Measure distances and dimensions accurately using your device's camera with augmented reality. Features include undo, color customization, easy screenshots, single-tap measurements, and unit conversion (cm, m, inch).

Augmented Reality measurementsPrecise distance calculationUndo functionality

free with in-app purchases

Decibel - sound level meter

Decibel - sound level meter

Spectrum frequency analyzer

Measure and analyze the sound pressure around you with this app. It provides spectrum frequency analysis and allows you to compare your recordings to a reference chart. Save your measurement history for future reference.

Measure sound pressureSpectrum frequency analysisReference chart comparison

EnerTalk - Energy Monitor

EnerTalk - Energy Monitor

by Encored Technologies, Inc.

Monitor your home's real-time electricity usage and spending directly from your smartphone. Visualize daily and monthly patterns, estimate your bills, and receive personalized saving tips. Supports multiple properties without requiring new hardware.

Real-time energy usage monitoringDaily and monthly usage patternsMonthly bill estimation

free with in-app purchases

Monitor your home's energy consumption in real-time, including solar production. Gain insights to track costs over time and identify specific appliance usage to save money and energy.

Real-time home energy monitoringSolar production trackingTrack energy costs over time

Optical Power Meter

Optical Power Meter

by Thorlabs GmbH

Control handheld optical power meters remotely via Bluetooth. View power readings on a large gauge and a 5-digit display, with min/max tracking. Adjust basic settings like wavelength and zeroing from your mobile device.

Remote control via BluetoothLarge needle gauge display5-digit power reading

Monitor the real-time status, running data, and events of your solar and energy storage systems. Gain insights into your energy production and consumption.

Monitor system statusView running dataTrack events

Watt - Power calculator

Watt - Power calculator

Power converter

$1.99 | 50% OFF

Easily calculate wattage using three different formulas. Input values and get instant results, with options to copy or email your calculations. Features an intuitive design for a smooth and reliable user experience.

Calculate watt from 3 formulasCopy and paste resultsSend results via email