Comparison

FourScan vs Stud Finder Pro

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

Head to head
About

FourScan

Features
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Protect your privacy with 4 scanning technologies. Worried about hidden cameras or listening devices in hotels, Airbnbs, or rental spaces? FourScan runs 4 detection scans sequentially with a single tap. [4 Detection Powers] 1. Magnetic Scan - Detects magnetic field anomalies from electronic devices 2. Infrared Scan - Uses front camera to detect IR LEDs from night vision cameras 3. Wi-Fi Scan - Discovers suspicious devices on the local network 4. Bluetooth Scan - Searches and analyzes nearby BLE devices Note: Basic checking tool, not a substitute for professional investigation.

About

Stud Finder Pro

Features
Read full description

Stud Finder Pro: Wall Detector Know what is behind the wall before you drill! Stud Finder Pro: Wall Detector turns your device into a professional wall scanner and metal detector, allowing you to complete your projects with confidence. Whether you are mounting a heavy TV or simply hanging a picture frame, locating wooden studs, nails, screws, pipes, and wires hidden behind the wall is now effortless. Stop relying on guesswork, save time, and avoid costly damage to your walls using advanced sensor technology. How It Works 1-) Open the app. 2-) Place the back of your phone flat against the wall. 3-) Slowly slide your device across the surface you want to scan. 4-) Watch the on-screen indicators and listen for audio/haptic alerts as you approach a hidden stud, metal, or wire. Key Features Β· Real-Time Scanning: Instantly detect wooden studs and hidden metals behind walls. Β· Intuitive Dashboard: Easily read signal strengths with a metal detector-style interface. Β· Visual & Audio Alerts: Pinpoint your target with vibration and sound feedback, even at awkward angles where you can't easily see the screen. Β· Adjustable Sensitivity: Optimize scanning power for different wall types, from thin paneling to thick drywall. Who Is It For? Β· DIY enthusiasts looking to hang shelves, mirrors, curtain rods, or heavy artwork. Β· Contractors, electricians, and handymen who need quick and reliable wall checks on-site. Common Use Cases Β· Finding safe and solid wooden studs before mounting a TV. Β· Avoiding hidden metal pipes and electrical wiring before drilling. Β· Detecting hidden nails and screws behind drywall, plaster, or wood panels. Β· Ensuring frames and shelves are hung perfectly straight using the in-app leveling tools. Important Note: The app's performance may vary depending on wall thickness, construction material, and your device's hardware capabilities (older phone models may experience limitations). Always verify results before drilling or mounting heavy objects. Remember to exercise extra caution and seek professional guidance when working near electrical outlets, switches, or plumbing lines.

Screenshots

FourScan3 screens
Stud Finder Pro4 screens

Verdict

The call

FourScan and Stud Finder Pro are too close to call on the numbers: across 5 compared parameters β€” price, ads, in-app purchases and device support among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
FourScan versus Stud Finder Pro: the parameters behind the verdict, then further details
ParameterFourScanStud Finder Pro
PriceFreeFree
Update frequencyEvery 5 daysβ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPod β€” better
Requires iOS16.015.0 β€” better
Further details β€” not scored
Size3 MB23 MB
Age rating4+4+
Developersatoshi amasakiburak baylan

In-app purchases

None

FourScan

No in-app purchases

None

Stud Finder Pro

No in-app purchases

Questions

Is FourScan free?
FourScan is free to download, with no in-app purchases.
Is Stud Finder Pro free?
Stud Finder Pro is free to download, with no in-app purchases.
Do FourScan or Stud Finder Pro have ads?
Neither FourScan nor Stud Finder Pro shows ads.

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