xiaolanLock vs Decibels Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
xiaolanLock
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An App for smart lock management with dual-OS
Decibels Meter
Monitor real-time decibel levels at concerts and festivals. Capture moments with watermarked photos and receive alerts for potentially harmful sound levels to protect your hearing.
- Real-time decibel monitoring
- Watermark camera for concert photos
- Hearing protection alerts
- Sound pressure level measurement
- Venue sound terminology
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Concert Decibel Meter - Your Professional Sound Wave Monitoring Assistant When you're surrounded by the sound waves of a concert or music festival, are you curious about the decibel level? Want to share the electrifying experience with the world? The Concert Decibel Meter is your professional sound wave monitoring assistant. 【Core Functions】 Real-time Decibel Monitoring: Accurately captures and displays the real-time decibel value of the venue. From "rhythm warm-up" to "raging sound waves," it uses the most knowledgeable terms about the venue to intuitively tell you the sound pressure level you're in. Watermark Camera: Built-in camera captures moments directly from the venue. Automatically generates cool watermarks, creating a unique souvenir of your visit. Hardcore Hearing Protection: More than just measurement, it's your intelligent guardian of hearing. When the volume reaches a dangerous level, the app will issue a strong alert, reminding you to immediately activate hearing protection mode.
Screenshots
Verdict
The clearest difference is update cadence: Decibels Meter at every 9 days against xiaolanLock's monthly. xiaolanLock's advantage is iOS requirement (9.0 vs 15.0). On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.
xiaolanLock ships an update monthly, Decibels Meter every 9 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | xiaolanLock | Decibels Meter |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 32 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | 庆省 韩 | 剑 罗 |
In-app purchases
xiaolanLock
No in-app purchases
Decibels Meter
No in-app purchases
