Comparison

Decibel Sound Meter vs SimpleFrames

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

Head to head
About

Decibel Sound Meter

This professional noise analyzer transforms your device into a precise sound level meter. It visualizes sound, tracks noise exposure with compliance features, and offers advanced spectrum analysis. Monitor your environment, protect your hearing, and generate detailed reports.

Highlights
  • Real-time SPL readings
  • Professional noise dosimeter
  • Advanced spectrum analyzer (RTA)
  • Dynamic Island & Live Activities integration
  • Home screen widgets
  • Data logging and export
Features
Read full description

Decibel Sound Meter - dBlyze Protect your hearing. Visualize sound. The ultimate professional noise analyzer. Turn your iPhone into a laboratory-grade sound level meter. Whether you are checking if your neighbor is too loud, measuring a concert's safety levels, or performing professional industrial analysis, dBlyze delivers precision you can trust. EXCLUSIVE: DYNAMIC ISLAND & LIVE ACTIVITIES Track noise levels in real-time without even unlocking your phone. View live dB readings directly on your Lock Screen or via the Dynamic Island (iPhone 14 Pro+). PROFESSIONAL NOISE DOSIMETER Don't just measure noise; track your exposure. • OSHA & NIOSH Compliant: Calculate 8-hour Time-Weighted Average (TWA). • Risk Indicators: Know exactly when sound levels become dangerous for your hearing. • Health Integration: Sync noise exposure data directly to Apple Health. ADVANCED SPECTRUM ANALYZER (RTA) Visualize the invisible. • FFT & Octave Bands: High-resolution frequency analysis (up to 4096 points). • Frequency Weighting: Support for A, C, and Z standards. • Time Response: Switch instantly between Fast (125ms) and Slow (1s) modes. HOME SCREEN WIDGETS Monitor your environment at a glance. Place beautiful, real-time decibel gauges right on your home screen. KEY FEATURES • Instant Accuracy: Real-time SPL (Sound Pressure Level) readings. • Smart Alerts: Visual warnings when noise exceeds safe limits. • Data Logging: Record Min, Max, and Average levels. • Export Ready: Generate professional PDF and CSV reports for compliance. PERFECT FOR • Neighbors: Prove noise pollution with logged data. • Parents: Monitor sound levels in the baby's nursery. • Musicians: Analyze venue acoustics and protect ears. • Construction: Ensure workplace safety compliance. TECHNICAL SPECS • Measurement Range: 20Hz - 20kHz • Standards: IEC 61672-1 Compliant • Weighting: A, C, Z, ITU-R 468 Download dBlyze now and take control of your sound environment. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SimpleFrames

Features
Read full description

Simple Frame Extractor is an easy-to-use, cross-platform app that provides six carefully selected processing tools for content creators and everyday users. Core Features • Video Frame Extraction: Precisely capture any frame from a video, with batch export support in JPG format. • Video to GIF: Convert video clips into high-quality GIF animations, with adjustable frame rate. • GIF Frame Extraction: Extract individual frame images from GIF animations. • Live Photo Frame Extraction: Extract still images from Live Photos. • Video to Live Photo: Convert video clips into Live Photo format. • Audio Extraction: Extract audio files from videos, supporting multiple audio formats. Technical Advantages • Built with native iOS design language, supporting Dark Mode. • Hardware-accelerated processing ensures high efficiency and stability. • Batch processing support to handle multiple files at once. • Real-time preview for instant results. • Supports a wide range of import and export file formats. Whether you’re creating social media content, extracting video materials, or separating audio, Simple Frame Extractor provides a professional and reliable solution. User Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Decibel Sound Meter4 screens
SimpleFrames4 screens

Verdict

The call

The clearest difference is ads: SimpleFrames at none against Decibel Sound Meter's shown. SimpleFrames also leads on iOS requirement (15.6 vs 17.6). On price, update cadence, in-app purchases 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 Sound Meter sells 6 in-app purchases, starting at $3.99 per 7 days and SimpleFrames sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Decibel Sound Meter ships an update monthly, SimpleFrames every 2 months. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 6 level
Decibel Sound Meter versus SimpleFrames: the parameters behind the verdict, then further details
ParameterDecibel Sound MeterSimpleFrames
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyMonthly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size29 MB3 MB
Age rating4+4+
DeveloperUngo Inc.越 张

In-app purchases

6 purchases

Decibel Sound Meter

Subscriptions3
  • dBlyze Weekly$3.997 Days
  • dBlyze Free Trial3 Days trial$7.991 Month
  • Remove All Ads3 Days trial$17.991 Year
One-time3
  • Premium Upgrade$8.99
  • Premium Pack$8.99
  • dBlyze Lifetime$49.99
4 purchases

SimpleFrames

Subscriptions3
  • 简单抽帧周会员$0.997 Days
  • 简单抽帧月会员$2.991 Month
  • 简单抽帧年会员$17.991 Year
One-time1
  • 简单抽帧买断$29.99

Questions

Is Decibel Sound Meter free?
Decibel Sound Meter is free to download, with in-app purchases available.
Is SimpleFrames free?
SimpleFrames is free to download, with in-app purchases available.
Do Decibel Sound Meter or SimpleFrames have ads?
Decibel Sound Meter shows ads; SimpleFrames does not.
Which is updated more often, Decibel Sound Meter or SimpleFrames?
Decibel Sound Meter ships an update monthly, and SimpleFrames every 2 months. Most recently, Decibel Sound Meter was updated on October 16, 2026 and SimpleFrames on October 7, 2026.

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