dB Noise Meter vs Motion Alert
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dB Noise Meter
Measure ambient noise levels in decibels (dB) using your phone's microphone. Track real-time noise, identify loud appliances, and monitor your exposure to potentially harmful sound levels.
- Real-time decibel measurement
- Noise level tracking
- Appliance noise testing
- Save noise measurements
- Display min/max/avg dB
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Sound Level & Decibel Meter is a powerful application which will allow you to measure noise background with your phone microphone. It shows real-time noise value in decibels (dB). Sound Level & Decibel Meter can be used to check the noise of any household appliances like washing machine, refrigerator, computer, air conditioner, etc,. Also you can decide which item you should buy based on the amount sound the electronic unit makes. Too much noise is dangerous to you. So you can keep track of noise around you and avoid being at places that have sound levels that are dangerous to you. Features: - Highly accurate decibel meter - Allows you to save your recorded noise measurements - Indicates decibel by gauge - Display the current noise reference - Display Minimum, Maximum and Average decibel values Privacy Policy: https://www.code4flutter.in/privacy-noise-meter/ Terms Of Use: https://www.code4flutter.in/terms-noise-meter
Motion Alert
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Motion Alert turns your iPhone into a simple motion detector with an audible alarm. Place your iPhone where you want to monitor an area, adjust the sensitivity and alarm volume, then start monitoring. When Motion Alert detects movement in the camera view, it sounds an alarm. Perfect for: • Hotel rooms and temporary accommodation • Luggage and personal belongings • Workspaces and desks • Camper vans and travel • Doors and other areas you want to monitor FEATURES • Real-time motion detection using your iPhone camera • Adjustable motion sensitivity • Adjustable alarm volume • Zoom in on the area you want to monitor • Simple one-screen operation • No account required Motion Alert includes free 5-minute monitoring sessions. A one-time Full Unlock purchase removes the monitoring time limit.
Screenshots
Verdict
The clearest difference is ads: Motion Alert at none against dB Noise Meter's shown. Motion Alert also leads on update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement 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. dB Noise Meter sells 5 in-app purchases, starting at $6.99 per 7 days and Motion Alert sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
dB Noise Meter ships an update every 2 months, Motion Alert every 2 weeks. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.
| Parameter | dB Noise Meter | Motion Alert |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (122 ratings) — better | — |
| Positive reviews | 15.4% of reviews | — |
| Number of ratings | 122 — better | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 49 MB | 1 MB |
| Age rating | +4 | 4+ |
| Developer | Petr Polasek | Viatcheslav Ortynskiy |
In-app purchases
dB Noise Meter
- Premium 1 week$6.997 Days
- Premium 1 Month3 Days trial$9.991 Month
- Premium 3 Months$17.993 Months
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- Premium 6 Months$19.996 Months
- Premium 1 Year3 Days trial$29.991 Year
Motion Alert
- Full Unlock$9.99
Questions
Is dB Noise Meter free?
Is Motion Alert free?
Do dB Noise Meter or Motion Alert have ads?
Which is updated more often, dB Noise Meter or Motion Alert?
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