Best Round Trip Latency Meter Apps

250+ iOS apps curated and reviewed

4.1 avg rating

19 free apps

Updated November 2026

Whether you're new to round trip latency meter or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Round Trip Latency Meter Apps (November 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Round Trip Latency Meter	$9.99	1.0★ (1)	No	No	Aug 2026
2	Dynaudio Sound Meter	Free	1.9★ (24)	No	No	Oct 2026
3	Noise Meter - Sound & Decibel	Free	2.3★ (3)	Yes	No	Oct 2026
4	CarDash: Video Player for Cars	Free	4.4★ (138)	Yes	Yes	Oct 2026
5	TetherAudio	Free	5.0★ (6)	No	Yes	Oct 2026
6	TestFlight	Free	4.7★ (793K)	No	No	Nov 2026
7	Ping & Outages by Latency Labs	Free	5.0★ (1)	No	No	Sep 2026
8	Mobile Latency Measurement	Free	2.0★ (1)	No	No	May 2026

Top Picks for Round Trip Latency Meter

#1

Round Trip Latency Meter by ONYX Apps

Test real-world audio latency

Editor's Choice

1.0(1 ratings)

$9.99

Round Trip Latency Meter screenshot 1

Round Trip Latency Meter screenshot 2

This app measures the real-world round trip latency of an iOS audio system. It plays test tones and records their return to calculate latency, requiring a loopback cable connection.

#2

Dynaudio Sound Meter by Dynaudio A/S

Audio Tester

Strong Contender

1.9(24 ratings)

Free

Dynaudio Sound Meter screenshot 1

This app offers audio testing tools for music professionals. It helps calibrate speaker systems and improve room acoustics by measuring sound pressure and frequency response. Features include RTA, pink noise generation, and an SPL meter.

#3

Noise Meter - Sound & Decibel by MINGUK JANG

Decibel sound level meter

Worth Considering

2.3(3 ratings)

FreeAds

Noise Meter - Sound & Decibel screenshot 1

Noise Meter - Sound & Decibel screenshot 2

Noise Meter - Sound & Decibel screenshot 3

Noise Meter - Sound & Decibel screenshot 4

This app transforms your iPhone into a real-time sound level meter, measuring ambient noise in decibels (dB). It features a live gauge, time-based graph, and tracking of minimum, average, and maximum levels. Ideal for quickly assessing noise levels in various environments.

More Round Trip Latency Meter apps to explore

CarDash: Video Player for Cars

CarDash: Video Player for Cars

CarDash: Video Player for Cars

Drive Tracker, Scores & Sounds

Watch videos and stream IPTV playlists on your car's display while parked. Track your drives with detailed statistics, review routes, and customize your car's interface with unique widgets and sounds.

Watch videos while parkedStream IPTV playlistsImport local videos

free with in-app purchases

Stream audio to your PC w/ USB

This app transforms your iPhone into a high-quality speaker for your computer using a USB connection. Enjoy uncompressed audio streaming with adjustable latency and background playback. It's designed for seamless integration without Wi-Fi or cellular data usage.

Stream computer audio to iPhoneUSB connection for uncompressed audioAdjustable latency settings

Beta testing made simple

Easily test pre-release versions of apps and App Clips. Provide feedback to developers before public launch. Receive invites via email or public link.

Test beta app versionsTest App ClipsSubmit feedback

🛠️ Developer Tools

Ping & Outages by Latency Labs

Ping & Outages by Latency Labs

Ping & Outages by Latency Labs

Monitor anything from anywhere

Transform your iPhone into a network diagnostic tool. Monitor any host or IP address with live connection data, traceroutes, and reachability checks. Understand your internet performance and identify potential issues quickly.

ICMP ping with live chartsContinuous ping sessionsLive traceroute mapping

Mobile Latency Measurement

Mobile Latency Measurement

Mobile Latency Measurement

Every millisecond counts!

Measure your phone's network latency and throughput using IP protocols. View results in real-time within the app or send them to a platform for advanced analysis and heatmap generation, with optional location sharing.

Measures network latencyMeasures network throughputReal-time results display

Meter - Sensor Dashboard

Meter - Sensor Dashboard

Meter - Sensor Dashboard

All-in-one measurement app

This utility app turns your iPhone into a comprehensive measurement toolkit. It provides access to various device sensors for real-time data on altitude, speed, pressure, motion, magnetic fields, location, sound levels, and leveling. Enjoy a clean interface with no ads or subscriptions.

Complete sensor suiteReal-time measurementsHigh accuracy and precision

Aura: Self-Hosted Music

Aura: Self-Hosted Music

Aura: Self-Hosted Music

Navidrome & Subsonic Player

Stream your personal music library from a self-hosted server to your iPhone. Enjoy lossless playback, synchronized lyrics, and personalized mixes. Offline access and smart caching ensure uninterrupted listening.

Lossless audio streaming (FLAC, ALAC)Synchronized lyrics displayPersonalized music mixes (Instant Mix, Made For You)

HearHere: Podcast Player

HearHere: Podcast Player

HearHere: Podcast Player

A calm listening experience.

This application offers a distraction-free podcast listening experience with features like chapter preselection, automatic downloads, and silence skipping. It allows for speed adjustment per podcast and includes a sleep timer. Users can also create smart playlists and sync their listening across devices.

Chapter preselectAutomatic downloadsQueue management

free with in-app purchases

Measure the input-to-output latency of your devices, text editors, game consoles, or televisions. Record a video of a button press and its on-screen effect, then use the frame-accurate scrubbing tool to mark precise input and output times. The app calculates the difference in milliseconds, providing objective responsiveness data.

Measure input-to-output latencyHigh-frame-rate camera recordingFrame-accurate scrubbing UI

DevCheck: CPU Info & Benchmark

DevCheck: CPU Info & Benchmark

DevCheck: CPU Info & Benchmark

Battery health, monitor & test

This app provides detailed hardware information, performance benchmarks, and device health diagnostics for iPhones and iPads. It includes live system monitoring, hardware testing, and a journal for tracking updates. Advanced features like battery history and network tools are available through a Pro subscription.

CPU, memory, storage, GPU benchmarksLive CPU load and system monitoringBattery health and device diagnostics

Decibel Meter & Sound Spectrum

Decibel Meter & Sound Spectrum

Decibel Meter & Sound Spectrum

dB Meter, RTA, FFT & Recorder

dB Meter Sound Level Meter

dB Meter Sound Level Meter

dB Meter Sound Level Meter

Simple noise decibel meter

Measure ambient noise levels in decibels (dB) with this straightforward tool. It displays real-time sound volume in a large, easy-to-read format and allows you to track minimum, average, and maximum values. Customize the background and text colors for a personalized experience.

Real-time decibel measurementMin, average, and max value calculationStop and reset function

Audio spectrum analyzer

This application provides real-time audio spectrum analysis with clear, smooth visuals. It offers advanced features like peak hold and multiple window functions, all processed locally on your device without ads or data collection.

Real-time FFT spectrum with dB scalePeak hold and multiple window functionsPinch to zoom and swipe to pan

Water Eject - Clear wave app

Water Eject - Clear wave app

Water Eject - Clear wave app

Speaker Cleaner

This app offers tools to clean your iPhone speakers, test audio output, and generate various sound signals. It provides approximate sound level readings and custom tone presets. Advanced features and unlimited use require a premium subscription.

Speaker cleaning tonesAudio test sweepsSound signal generator

Timeless Beats, Modern Groove

Experience the nostalgic feel of the iPod Classic with a virtual click wheel and modern streaming service integration. Control playback with intuitive gestures and customize wheel sensitivity for a personalized music experience.

Virtual click wheel interfaceWheel sensitivity adjustmentVolume control via click wheel

🎬 Entertainment

by TARAMPS ELECTRONICS LTDA.

Control your Taramps audio processor remotely via Bluetooth. Adjust crossover, equalization, routing, and levels in real-time for precise sound system tuning. Features include a graphic equalizer, delay, and preset saving.

Complete adjustments via appReal-time control via smartphone15-band graphic equalizer

SpeedTest: WIFI Speed Test

SpeedTest: WIFI Speed Test

SpeedTest: WIFI Speed Test

Internet, 5G & Ping Analyzer

Quickly measure your internet connection's performance. Understand if your network is sufficient for streaming, gaming, or video calls. Built-in tools help diagnose connection issues.

Download speed testUpload speed testLatency and stability check

📊 Productivity

FAQ about Round Trip Latency Meter

What are the best round trip latency meter apps for iPhone?

Round Trip Latency Meter tops our round trip latency meter apps ranking as of November 2026, with a 1.0-star average from 1 App Store ratings, and it's priced at $9.99.

Are there free round trip latency meter apps for iPhone?

Yes — 19 of the top round trip latency meter apps we rank are free to download, including Dynaudio Sound Meter and Noise Meter - Sound & Decibel.

Does Round Trip Latency Meter have ads or in-app purchases?

Round Trip Latency Meter has no ads and has no in-app purchases, according to its App Store listing as of November 2026.

How many round trip latency meter apps are on the App Store?

We track 250+ round trip latency meter apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.