bluSensor vs Metal Detector EMF
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.
Metal Detector EMF
This application uses your smartphone's magnetic sensor to detect nearby metal objects. It can help you find hidden metallic items, act as a treasure hunting tool, or even assist in ghost hunting by visualizing magnetic field trends. Requires a device with a magnetic sensor to function.
- Detects nearby metal
- Measures magnetic field
- Finds hidden metallic objects
- Acts as a treasure hunter tool
- Assists ghost hunters
- Visualizes reading trends with a graph
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Metal Detector EMF detects the presence of metal nearby. Metal detectors measure magnetic field value using a magnetic sensor that is built into your smartphone. Now You can easily find metallic objects that are hidden underground, behind walls etc. , or be a treasure hunter or ghost hunters, also see a reading trend through the graph. Simple app in your device called Gauss Meter are used for measuring the Earth's magnetic field but can't detect silver, gold, copper coins (non-ferrous - no magnetic field). This Magnetometer app require a magnetic sensor otherwise does not work.
Screenshots
Verdict
The clearest difference is review sentiment: Metal Detector EMF at 68% against bluSensor's 0%. Metal Detector EMF also leads on rating (4.7 vs 1.0) and ratings volume (2.4K vs 5). bluSensor's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 9 months). On price, ads 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. Metal Detector EMF sells 1 one-off in-app purchase. bluSensor asks for nothing beyond the download.
Metal Detector EMF holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Metal Detector EMF has 2.4K 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 Metal Detector EMF's.
bluSensor ships an update every 2 months, Metal Detector EMF every 9 months. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.
| Parameter | bluSensor | Metal Detector EMF |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (5 ratings) | 4.7 (2.4K ratings) — better |
| Positive reviews | 0.0% of reviews | 68.4% of reviews — better |
| Number of ratings | 5 | 2.4K — better |
| Update frequency | Every 2 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Almendo Technologies GmbH | ExaMobile S.A. |
Customer experience
bluSensor
Metal Detector EMF
Bugs and requests
bluSensor
Not enough reviews yet to summarise bugs or requests.
Metal Detector EMF
Reported bugs
3 issues- Settings page not functioning
- App crashes on some devices
- Inaccurate readings in certain situations
Requested features
4 requests- Ability to detect non-magnetic metals
- Improved sensitivity and detection range
- Option to calibrate the sensor
- Metal identification feature
In-app purchases
bluSensor
No in-app purchases
Metal Detector EMF
- AdBlock - Remove ads$1.99
Questions
Is bluSensor free?
Is Metal Detector EMF free?
Which has better reviews, bluSensor or Metal Detector EMF?
Do bluSensor or Metal Detector EMF have ads?
Which is updated more often, bluSensor or Metal Detector EMF?
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