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Best Nosie 30 Apps

7+ iOS apps curated and reviewed

3.7 avg rating
3 free apps
Updated May 2026

With an average user rating of 3.7★, the NOSIE 30 category is one of the App Store's strongest. Browse all 7+ apps we track, sorted so the most loved ones surface first.

Compare top Nosie 30 Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ColorSleep: Green, Brown NoiseColorSleep: Green, Brown NoiseFree4.8★ (17K)YesYesAug 2026
2Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.7★ (156K)NoYesAug 2026
3Decibel X PRO: dBA Noise MeterDecibel X PRO: dBA Noise Meter$69.994.7★ (6.9K)NoNoJul 2026
47-Minute Workout and Calm Mind7-Minute Workout and Calm MindFree3.0★ (3)NoYesMay 2026
5Hearing Analyzer PortraitHearing Analyzer Portrait$3.993.0★ (2)NoNoJul 2026
6RevMeter ProRevMeter Pro$6.992.2★ (5)NoNoJun 2026

Top Picks for Nosie 30

ColorSleep: Green, Brown Noise#1

ColorSleep: Green, Brown Noise by EaseHere Limited

Rain & White Noise Machine
Editor's Choice
💪 Health & Fitness
4.8😊(17K ratings)
FreeAdsIn-App Purchases
ColorSleep: Green, Brown Noise screenshot 1
ColorSleep: Green, Brown Noise screenshot 2
ColorSleep: Green, Brown Noise screenshot 3
ColorSleep: Green, Brown Noise screenshot 4
ColorSleep: Green, Brown Noise screenshot 5
ColorSleep: Green, Brown Noise screenshot 6

This app provides a variety of soothing sounds, including colored noise, rain, and healing frequencies, to help users fall asleep, relax, or focus. It features a sleep timer, background playback, and lock screen controls for ease of use. Ideal for adults, babies, and those seeking improved concentration.

What We Love

  • 🚀 Helps with sleep and focus
  • 👍 Variety of calming sounds
  • 🌙 Effective for falling asleep
  • 🧠 Improves concentration

Room to Improve

  • 💰 Premium features are expensive
  • ⏱️ Abrupt sound cutoff at timer end
  • 🔒 Locked features behind paywall
Decibel X:dB Sound Level Meter#2

Decibel X:dB Sound Level Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Strong Contender
🔧 Utilities
4.7😐(156K ratings)
FreeIn-App Purchases
Decibel X:dB Sound Level Meter screenshot 1
Decibel X:dB Sound Level Meter screenshot 2
Decibel X:dB Sound Level Meter screenshot 3
Decibel X:dB Sound Level Meter screenshot 4
Decibel X:dB Sound Level Meter screenshot 5
Decibel X:dB Sound Level Meter screenshot 6

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use and understand
  • 🔍 Useful for various applications
  • 🎓 Helpful for hearing protection

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
Decibel X PRO: dBA Noise Meter#3

Decibel X PRO: dBA Noise Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Worth Considering
🔧 Utilities
4.7😊(6.9K ratings)
$69.99
Decibel X PRO: dBA Noise Meter screenshot 1
Decibel X PRO: dBA Noise Meter screenshot 2
Decibel X PRO: dBA Noise Meter screenshot 3
Decibel X PRO: dBA Noise Meter screenshot 4
Decibel X PRO: dBA Noise Meter screenshot 5
Decibel X PRO: dBA Noise Meter screenshot 6

This application transforms your device into a professional sound level meter, offering precise dBA and dBC measurements. It features advanced analysis tools like frequency spectrum analysis and data export, making it ideal for audio professionals and anyone interested in sound environments.

What We Love

  • 👍 Works well
  • 🚀 Keeps getting better with updates
  • 💡 Useful for monitoring noise levels
  • 💡 Helps protect hearing

Room to Improve

  • 🐛 Data transfer issues between devices
  • 🐛 Crashes and stability issues
  • 🐛 Camera crashes

More Nosie 30 apps to explore

4
7-Minute Workout and Calm Mind
7-Minute Workout and Calm Mind
7-Minute Workout and Calm Mind
Cardio Lose weight in 30 days
Free

Achieve fitness goals with short, effective workouts and enhance mental well-being through calming white noise. This app offers daily motivation and relaxation techniques for a balanced lifestyle.

7-minute workoutsWhite noise for relaxationDaily motivational quotes
💪 Health & Fitness
(3)
subscription
5
Hearing Analyzer Portrait
Hearing Analyzer Portrait
Hearing Analyzer Portrait
Support 30Hz to 20kHz!
$3.99

This app offers a comprehensive hearing test covering a wide frequency range, from 30Hz to 20kHz. It helps users self-diagnose their hearing ability by measuring the minimum volume at which pure tones can be heard. Ideal for audiophiles, musicians, and anyone interested in monitoring their ear health.

Broadband hearing test (30Hz-20kHz)Tests low, standard, and high frequenciesMeasures left and right ear
💪 Health & Fitness
(2)
paid
6
RevMeter Pro
RevMeter Pro
RevMeter Pro
Measure Room Reverb Time
$6.99

This app measures the reverberation time (RT60) of any room using your iPhone. It offers dual measurement modes and calculates RT60 based on RT20 and RT30 decay slopes. Easily export data and visualize acoustic analysis.

Measures reverberation time (RT60)Dual measurement modes (Impulse, Interrupted Noise)Calculates RT60 using RT20/RT30 standards
🔧 Utilities
(5)
paid

FAQ about Nosie 30

What are the best NOSIE 30 apps for iPhone?
ColorSleep: Green, Brown Noise tops our NOSIE 30 apps ranking as of May 2026, with a 4.8-star average from 17K App Store ratings, and it's free to download.
Yes — 3 of the top NOSIE 30 apps we rank are free to download, including ColorSleep: Green, Brown Noise and Decibel X:dB Sound Level Meter.
ColorSleep: Green, Brown Noise shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 7+ NOSIE 30 apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
ColorSleep provides a variety of soothing sounds, including different types of colored noise, rain sounds, healing frequencies, and Lo-Fi music. These sounds are designed to help users fall asleep more easily, relax, reduce stress, and improve focus. It also offers features like a sleep timer and background playback.
The app offers four types of colored noise: Green noise, which resembles natural ambient sounds; Pink noise, a mix of high and low frequencies like falling rain; Brown noise, with deeper bass tones similar to ocean surf; and White noise, which encompasses all audible frequencies to mask distractions.