Metal Detector EMF vs GWL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
GWL
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This app scans for Ground water sensor and reads the depth of water
Screenshots
Verdict
The clearest difference is in-app purchases: GWL at none against Metal Detector EMF's 1. On price, update cadence, 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. GWL asks for nothing beyond the download.
Metal Detector EMF ships an update every 9 months, GWL every 14 months. The most recent releases landed on September 29, 2026 and September 16, 2026 respectively.
| Parameter | Metal Detector EMF | GWL |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (2.4K ratings) — better | — |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 2.4K — better | — |
| Update frequency | Every 9 months — better | Every 14 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 11 MB | 10 MB |
| Age rating | 4+ | 17+ |
| Developer | ExaMobile S.A. | Smart Sensor Devices AB |
Bugs and 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
GWL
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Metal Detector EMF
- AdBlock - Remove ads$1.99
GWL
No in-app purchases
Questions
Is Metal Detector EMF free?
Is GWL free?
Do Metal Detector EMF or GWL have ads?
Which is updated more often, Metal Detector EMF or GWL?
Other comparisons
