Sound Meter vs DouWan Camera
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sound Meter
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Turn your iPhone into a professional-grade sound level meter. dBMeter measures your environment in real time with precision — from a quiet library to a roaring concert. Whether you're protecting your hearing at work, checking noise levels at home, or monitoring a live event, dBMeter gives you the data you need. REAL-TIME MEASUREMENT • Live decibel (dB) and frequency (Hz) readings • Color-coded sound level indicator with environment context • Visual meter bar with instant response • Tap to switch between dB and Hz display HEARING PROTECTION • Built-in Dosimeter tracks your daily noise dose • NIOSH and OSHA standards with exchange rate comparison • Time-Weighted Average (TWA) and projected dose • 7-day exposure history • Threshold alerts — get notified the moment sound exceeds your limit RECORD & ANALYZE • Save unlimited sessions with full waveform charts • Combined dB + frequency timeline • GPS location tagging — remember exactly where you measured • Add notes to any recording • Export as CSV or PDF report CAMERA MODE • Capture photos and videos with live dB overlay • Perfect for documenting noise complaints or job site conditions BACKGROUND MONITORING • Keep measuring even when the app is in the background • Threshold alerts fire even with the screen off PRIVACY FIRST • All data stays on your device — nothing is sent to servers • No account required PROFESSIONAL TOOLS • Calibration offset for accurate readings with external microphones • Haptic feedback on loud peaks Note: Smartphone microphones have an accuracy of approximately ±2–5 dB. dBMeter is designed as a practical monitoring tool and should not be used as a substitute for certified measurement equipment in regulated environments. ................ Terms & Conditions: https://dikr.org/terms/ EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://dikr.org/privacy-policy/
DouWan Camera
Transform your iPhone or iPad into a high-quality 4K/60fps webcam for your PC. Enjoy ultra-low latency video transmission with USB or wireless connectivity. Seamlessly integrates with popular PC applications for streaming and video conferencing.
- 4K/60fps video quality
- Ultra-low latency transmission
- USB and wireless connection
- Plug and play setup
- Compatible with OBS, Zoom, Teams, etc.
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Use your iPhone or iPad as a 4K/60fps camera for your PC. Unlock the full power of your device’s camera and achieve stunning video quality beyond traditional cameras. • High-Quality Video Use your iPhone's advanced camera for crystal-clear HD or even 4K video. • Ultra-Low Latency Optimized transmission for real-time video with minimal delay. • USB & Wireless Connection Connect via USB for maximum stability or Wi-Fi for convenience. • Plug & Play No complicated setup. Works instantly with your computer. • Works with Popular PC Apps Compatible with OBS, Zoom, Teams, Telegram, Discord, Line and more.
Screenshots
Verdict
The clearest difference is in-app purchases: DouWan Camera at none against Sound Meter's 3. DouWan Camera also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price and ads 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. Sound Meter sells 3 in-app purchases, starting at $1.99 per 7 days. DouWan Camera asks for nothing beyond the download.
| Parameter | Sound Meter | DouWan Camera |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | CHARAFA BOUKHALFA | XinDawn Company Limited |
In-app purchases
Sound Meter
- Weekly PRO3 Days trial$1.997 Days
- Monthly PRO3 Days trial$2.991 Month
- Yearly PRO$14.991 Year
DouWan Camera
No in-app purchases








