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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
1Green Noise Calm Sleep SoundsGreen Noise Calm Sleep SoundsFree4.8★ (18K)YesYesOct 2026
2Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6★ (162K)NoYesOct 2026
3Decibel X PRO: dBA Noise MeterDecibel X PRO: dBA Noise Meter$69.994.7★ (6.9K)NoNoOct 2026
47-Minute Workout and Calm Mind7-Minute Workout and Calm MindFree3.0★ (3)NoYesMay 2026
5Hearing Analyzer PortraitHearing Analyzer Portrait$4.993.0★ (2)NoNoAug 2026
6RevMeter ProRevMeter Pro$6.992.2★ (5)NoNoSep 2026

Top Picks for Nosie 30

Green Noise Calm Sleep Sounds#1

Green Noise Calm Sleep Sounds by EaseHere Limited

Rain & White Noise Machine
Editor's Choice
💪 Health & Fitness
4.8😊(18K ratings)
FreeAdsIn-App Purchases
Green Noise Calm Sleep Sounds screenshot 1
Green Noise Calm Sleep Sounds screenshot 2
Green Noise Calm Sleep Sounds screenshot 3
Green Noise Calm Sleep Sounds screenshot 4
Green Noise Calm Sleep Sounds screenshot 5
Green Noise Calm Sleep Sounds 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
  • 💤 Promotes better sleep quality

Room to Improve

  • 💰 Premium features are expensive
  • ⏱️ Abrupt sound cutoff at timer end
  • 🔒 Locked features behind paywall
  • 🔋 High battery consumption
  • 🐛 Occasional bugs and glitches
Decibel X:dB Sound Level Meter#2

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

Frequency Spectrum Analyzer
Strong Contender
🔧 Utilities
4.6😐(162K ratings)
FreeIn-App Purchases
Decibel X:dB Sound Level Meter screenshot 1
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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
  • 🔧 Accurate and reliable

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
  • 🤖 Inaccurate readings compared to professional meters
  • 🤔 Confusing interface
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
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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
  • 👍 Accurate measurements
  • 👍 Intuitive and easy to use
  • 👍 Solid sound meter app
  • 👍 Meets expectations

Room to Improve

  • 🐛 Data transfer issues between devices
  • 🐛 Crashes and stability issues
  • 🐛 Camera crashes
  • 🐛 Bugs with dark mode and language settings
  • 🐛 Inconsistent readings compared to other apps
  • 🐛 Inability to rotate screen
  • 🐛 Ads and frequent rating prompts in paid version

More Nosie 30 apps to explore

FAQ about Nosie 30

What are the best NOSIE 30 apps for iPhone?
Green Noise Calm Sleep Sounds tops our NOSIE 30 apps ranking as of May 2026, with a 4.8-star average from 18K App Store ratings, and it's free to download.
Yes — 3 of the top NOSIE 30 apps we rank are free to download, including Green Noise Calm Sleep Sounds and Decibel X:dB Sound Level Meter.
Green Noise Calm Sleep Sounds 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.