Decibel Sound Meter vs SimpleFrames
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Real-time SPL readings
- Professional noise dosimeter
- Advanced spectrum analyzer (RTA)
- Dynamic Island & Live Activities integration
- Home screen widgets
- Data logging and export
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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/
SimpleFrames
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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
Verdict
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
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.
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.
| Parameter | Decibel Sound Meter | SimpleFrames |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 29 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Ungo Inc. | 越 张 |
In-app purchases
Decibel Sound Meter
- dBlyze Weekly$3.997 Days
- dBlyze Free Trial3 Days trial$7.991 Month
- Remove All Ads3 Days trial$17.991 Year
- Premium Upgrade$8.99
- Premium Pack$8.99
- dBlyze Lifetime$49.99
SimpleFrames
- 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
- 简单抽帧买断$29.99
Questions
Is Decibel Sound Meter free?
Is SimpleFrames free?
Do Decibel Sound Meter or SimpleFrames have ads?
Which is updated more often, Decibel Sound Meter or SimpleFrames?
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