Comparison

Decibel Meter & Dosimeter vs WoW Services

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Decibel Meter & Dosimeter

This app transforms your iPhone into a professional sound level meter. It provides real-time decibel monitoring, instant feedback on noise intensity, and smart notifications for safety limits. Track your noise exposure over time with detailed history and exportable reports.

Highlights
  • Real-time decibel monitoring
  • Noise exposure limit tracking
  • Detailed noise history
  • Exportable reports
  • Smart notifications
  • Professional calibration
Features
Read full description

Your hearing is irreplaceable. Know when it's at risk. Turn your iPhone into a sound level meter that monitors noise in real time and warns you before exposure becomes dangerous. Whether you're on a construction site, at a concert, or just curious about your daily environment — Decibel Meter gives you the clarity to protect what you can't get back. What You Get — Free: - Real-time decibel monitoring with a beautiful, color-coded gauge - Instant noise categories: Quiet, Moderate, Loud, Very Loud - Live current, peak, and average sound level statistics - OSHA and NIOSH exposure time tracking with visual warnings - Haptic feedback when noise levels change significantly - Background monitoring — keeps tracking when you switch apps - Dark mode and accessibility support What Pro Unlocks — One Purchase, Yours Forever: Smart Safety Alerts - Custom alert thresholds — set personal dB limits for any environment - Notifications at 80% of safe exposure time - Immediate alerts when OSHA/NIOSH limits are reached Noise History and Session Tagging - Track your exposure patterns over days and weeks - Tag sessions by location or activity (Office, Concert, Construction, and more) - Filter history by tag to find patterns - Detailed charts with peak and average levels Professional Tools - Calibration settings for reference level and offset adjustments - Noise exposure summaries (OSHA/NIOSH reference levels) — generate and share as PDF - Shareable PDF records of your measured noise exposure Who It's For: - Workers in noisy environments protecting their hearing - Safety professionals monitoring workplace noise - Sound engineers and musicians managing venue levels - Parents and teachers checking classroom or play environments - Anyone who wants to understand the noise around them Why It Matters: Noise-induced hearing loss is permanent. It builds gradually from exposure you may not notice. Decibel Meter tracks what your ears cannot — cumulative exposure over time — and tells you when to act. Please note: Decibel Meter uses your device microphone to provide estimates. It is not a certified sound level meter or dosimeter, and it is not intended for hearing-protection, medical, or regulatory decisions. Download now and find out what your ears have been living with. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

WoW Services

Features
Read full description

“Never miss a booking again. Capture leads from every channel, convert them into reservations, and automate your daily operations with WoW-Services

Screenshots

Decibel Meter & Dosimeter4 screens
WoW Services2 screens

Verdict

The call

The clearest difference is in-app purchases: WoW Services at none against Decibel Meter & Dosimeter's 3. WoW Services also leads on iOS requirement (13.0 vs 17.0). Decibel Meter & Dosimeter's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Decibel Meter & Dosimeter sells 3 in-app purchases, starting at $0.99 per 7 days. WoW Services asks for nothing beyond the download.

UpkeepUpdate frequency

Decibel Meter & Dosimeter ships an update every 3 weeks, WoW Services every 3 months. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 7 level
Decibel Meter & Dosimeter versus WoW Services: the parameters behind the verdict, then further details
ParameterDecibel Meter & DosimeterWoW Services
PriceFreeFree
Rating4.0 (17 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings17 — better—
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size23 MB17 MB
Age rating4+17+
DeveloperMobile Card Games & Travel Apps LLCEmmanouil Zacharioudakis

In-app purchases

3 purchases

Decibel Meter & Dosimeter

Subscriptions2
  • Weekly Subscription3 Days trial$0.997 Days
  • Annual Subscription$24.991 Year
One-time1
  • Pro - NIOSH Noise Exposure$4.99
None

WoW Services

No in-app purchases

Questions

Is Decibel Meter & Dosimeter free?
Decibel Meter & Dosimeter is free to download, with in-app purchases available.
Is WoW Services free?
WoW Services is free to download, with no in-app purchases.
Do Decibel Meter & Dosimeter or WoW Services have ads?
Neither Decibel Meter & Dosimeter nor WoW Services shows ads.
Which is updated more often, Decibel Meter & Dosimeter or WoW Services?
Decibel Meter & Dosimeter ships an update every 3 weeks, and WoW Services every 3 months. Most recently, Decibel Meter & Dosimeter was updated on November 8, 2026 and WoW Services on November 9, 2026.

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