bluSensor vs Decibel Metre (Sound Meter)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
bluSensor
Monitor temperature, humidity, and air quality with wireless sensors. Get real-time data, alerts, and historical tracking on your smartphone or tablet. Suitable for home and professional environments.
- Real-time environmental monitoring
- Temperature and humidity tracking
- Air quality alerts
- Historical data logging
- Smartphone and tablet compatibility
- Web app access
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Stay informed about temperature, humidity, and air quality with our user-friendly app, designed to pair effortlessly with bluSensor® wireless sensors. Monitor your environment in real-time, receive alerts, and track historical data right from your smartphone, tablet, or using our web app. Ideal for both home and professional use, bluSensor® ensures you're always aware of your surroundings.
Decibel Metre (Sound Meter)
This application functions as a smart sound level meter, utilizing your device's microphone to measure ambient noise in decibels (dBA). It provides real-time readings on a digital screen and displays historical data through a graph. The app also shows reference noise levels and tracks minimum, average, and maximum decibel values.
- Measures sound level in decibels (dBA)
- Uses built-in microphone
- Displays readings on digital screen
- Shows current noise reference
- Tracks min/avg/max decibel values
- Visualizes decibel data on a graph
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Want to measure sound level? This is smart sound level meter app for IOS! Our decibel meter uses your built-in microphone to measure sound volume in decibels (dBA) and also displays samples on graph. Features: - Indicates decibel by digital screen - Display the current noise reference - Display min/avg/max decibel values - Display decibel by graph line
Screenshots
Verdict
The clearest difference is review sentiment: Decibel Metre (Sound Meter) at 68% against bluSensor's 0%. Decibel Metre (Sound Meter) also leads on rating (4.5 vs 1.0) and ratings volume (578 vs 5). bluSensor's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.
Decibel Metre (Sound Meter) holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Decibel Metre (Sound Meter) has 578 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of bluSensor's written reviews are positive against 68% of Decibel Metre (Sound Meter)'s.
bluSensor ships an update every 2 months, Decibel Metre (Sound Meter) every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | bluSensor | Decibel Metre (Sound Meter) |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (5 ratings) | 4.5 (578 ratings) — better |
| Positive reviews | 0.0% of reviews | 68.3% of reviews — better |
| Number of ratings | 5 | 578 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Almendo Technologies GmbH | UniCom Technology |
Customer experience
bluSensor
Decibel Metre (Sound Meter)
Bugs and requests
bluSensor
Not enough reviews yet to summarise bugs or requests.
Decibel Metre (Sound Meter)
Reported bugs
2 issues- Microphone not registering any noise
- Completely unresponsive app
Requested features
3 requests- Quiet room label correction
- Add fast and slow response time settings
- Ability to export/save measurement logs and graphs
In-app purchases
bluSensor
No in-app purchases
Decibel Metre (Sound Meter)
No in-app purchases
Questions
Is bluSensor free?
Is Decibel Metre (Sound Meter) free?
Which has better reviews, bluSensor or Decibel Metre (Sound Meter)?
Do bluSensor or Decibel Metre (Sound Meter) have ads?
Which is updated more often, bluSensor or Decibel Metre (Sound Meter)?
Other comparisons
