Comparison

Mi vs Metal Detector

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mi

Control Mi-Light WiFi series smart lights remotely. Adjust color, brightness, saturation, and color temperature. Share device access with friends and manage them from anywhere.

Highlights
  • Control light color, brightness, saturation
  • Adjust color temperature
  • Share devices with friends
  • Remote device management
  • Works with Amazon ECHO (WiFi series)
Features
Read full description

This APP can control Mi-Light WiFi series products; it can control light color, brightness, saturation and color temperature; You can share the device to your friends and manage sharing; Wherever you are, you can fulfill all the function by the APP. Mi-Light WiFi series also work on Amazon ECHO voice control. (2.4GHz RF series products need WiFi Remote Control to work on Amazon ECHO) This APP does not support iBox1 and iBox2

About

Metal Detector

This utility app uses your iPhone's sensors to detect metals, studs, and electromagnetic fields. It can also identify lens reflections and analyze WiFi networks for potential surveillance devices, offering a comprehensive scanning tool for security and home improvement.

Highlights
  • Metal and stud detection
  • Lens reflection scanner
  • EMF meter
  • WiFi analyzer
  • Easy calibration
  • Lightweight and portable
Features
Read full description

Metal Detector: Stud Finder turns your iPhone's built-in sensors into a pocket toolkit for finding hidden metal, magnetic fields, spy cameras and unknown devices. SCAN FOR METAL • Live magnetic field reading in µT with a clear gauge and a real-time graph • Sensitivity presets and one-tap calibration • Sound and haptic feedback that gets stronger as you get closer • Save every scan to your history HIDDEN CAMERA DETECTOR • Sweep a room with your camera to spot lens reflections • On-device detection, haptic alerts and a live HUD • Step-by-step "What should I do?" guide if something is found WI-FI & NETWORK CHECK • See the devices connected to your network • Spot unknown or suspicious devices BLUETOOTH SCANNER • Find nearby Bluetooth devices and see their signal strength ROOM SWEEP • A guided checklist that combines the camera, Wi-Fi and Bluetooth checks into one report STUD FINDER & WIRE LOCATOR • Find metal studs, nails, screws and wiring behind walls using the magnetic field • Move the phone slowly along the wall and watch the graph SIGNAL FINDER • Follow a signal with a direction and strength meter LEVEL & COMPASS • Level and compass in one screen EMF / ELECTROMAGNETIC DETECTOR • Measure the electromagnetic field around you with a live chart, calibration and reset MAIL SECURITY CHECK • Enter an email domain to check its public email security settings (SPF, DMARC and more) SCAN HISTORY & EXPORT • Review past scans and export them as PDF or CSV • Optional Face ID lock for your history MADE FOR EVERYDAY USE • Light and dark mode, with an Appearance setting (Auto, Light or Dark) • Home Screen quick actions and Siri Shortcuts • Available in English, Chinese (Simplified), Dutch, French, German, Italian, Japanese, Korean, Portuguese (Brazil) and Spanish (Latin America) IMPORTANT This app uses your iPhone's magnetometer and camera. It detects metal and magnetic fields, not wood or plastic, and it cannot see through walls. Results are indications, not guarantees. It is not a replacement for professional detection equipment or safety checks. SUBSCRIPTION & PRICING Metal Detector: Stud Finder is free to download with limited free scans. Unlock unlimited scans, all tools and an ad-free experience with: • Payment is charged to your Apple ID account at confirmation of purchase. • Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. • Your account is charged for renewal within 24 hours before the end of the current period, at the price of the chosen plan. • You can manage or cancel your subscription anytime in Settings > [your name] > Subscriptions. • Any unused portion of a free trial period, if offered, is forfeited when you purchase a subscription. • Prices may vary by country and are shown in your local currency in the app. Privacy Policy: https://sites.google.com/view/metal-detector-finder/privacy-policy Terms of Use: https://sites.google.com/view/metal-detector-finder/terms-conditions Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Mi4 screens
Metal Detector4 screens

Verdict

The call

The clearest difference is rating: Metal Detector at 5.0 against Mi's 1.4. Mi's advantage is in-app purchases (none vs 3) and update cadence (monthly vs every 5 months). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Metal Detector sells 3 in-app purchases, starting at $3.99 per 7 days. Mi asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Metal Detector holds the better App Store score, 5.0 against 1.4. Both are backed by a comparable volume of ratings — 14 and 8 respectively.

UpkeepUpdate frequency

Mi ships an update monthly, Metal Detector every 5 months. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.

Scorecard5 real differences · 5 level
Mi versus Metal Detector: the parameters behind the verdict, then further details
ParameterMiMetal Detector
PriceFreeFree
Rating1.4 (14 ratings)5.0 (8 ratings) — better
Positive reviews9.6% of reviews—
Number of ratings14 — better8
Update frequencyMonthly — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better15.6
Further details — not scored
Size31 MB123 MB
Age rating4+4+
DeveloperShenzhen Xincaiyi Technology Co., Ltd.Reena Williams

Customer experience

Mi

All ratings14 ratings
Positive7.1%
Neutral0.0%
Negative92.9%
Written reviews52 reviews
Positive9.6%
Neutral7.7%
Negative82.7%

Metal Detector

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Mi

No in-app purchases

3 purchases

Metal Detector

Subscriptions3
  • Weekly Subscription$3.997 Days
  • Weekly Subscription3 Days trial$5.997 Days
  • Yearly Subscriptions$39.991 Year

Questions

Is Mi free?
Mi is free to download, with no in-app purchases.
Is Metal Detector free?
Metal Detector is free to download, with in-app purchases available.
Which has better reviews, Mi or Metal Detector?
Metal Detector is rated higher. Mi averages 1.4 out of 5 from 14 ratings, while Metal Detector averages 5.0 from 8 ratings.
Do Mi or Metal Detector have ads?
Neither Mi nor Metal Detector shows ads.
Which is updated more often, Mi or Metal Detector?
Mi ships an update monthly, and Metal Detector every 5 months. Most recently, Mi was updated on October 22, 2026 and Metal Detector on October 26, 2026.

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