Comparison

N9 vs Hidden Device

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

Head to head
About

N9

This utility app alerts you to vehicle presence using infrared detectors. Customize alarm volume and choose from 16 distinct sounds. It supports up to 12 infrared sensors across six zones.

Highlights
  • Infrared vehicle detection
  • Adjustable alarm volume
  • 16 alarm sound options
  • Supports 12 infrared sensors
  • Six detection zones
Features
Read full description

N9 Lane alarm, can be induced by the infrared detectors to enter or leave to have a car, through the APP can adjust the volume of alarm, and provides users with 16 different alarm sound, there are six areas, add 12 infrared sensor can learn

About

Hidden Device

Detect unknown devices on your Wi-Fi and Bluetooth networks. Scan for hidden electronics using infrared and magnetic field detection to safeguard your privacy. Offers multiple detection methods for comprehensive security.

Highlights
  • Wi-Fi and Bluetooth network scanning
  • Detect unknown connected devices
  • Infrared camera scanning
  • Magnetic field detection
  • Privacy protection tools
Read full description

Stay alert to network activity Frequently review your Wi-Fi and Bluetooth connections to detect any unknown or unauthorized devices. Combining multiple detection methodologies, we offer the most thorough defense against concealed surveillance devices currently available. From routine network monitoring to advanced physical detection techniques, our solution empowers you to maintain control over your private environments. With these powerful capabilities at your fingertips, you can confidently navigate both professional and personal spaces, secure in the knowledge that your privacy remains intact. These routine checks serve as your first line of defense against potential eavesdropping, data theft, or unauthorized surveillance. By staying proactive in monitoring your digital environment, you can quickly identify and remove any unwanted connections before they compromise your privacy or security. Scan the space with infrared rays Use an infrared-enabled device to detect hidden electronics. White spots on the display indicate of concealed devices. Our infrared scanning capability allows you to detect these hidden threats by revealing the telltale heat signatures of active electronics. When using an infrared-enabled device, suspicious white spots appearing on the display indicate the possible presence of concealed cameras, microphones, or other surveillance equipment. Utilize magnetic field detection Our technology helps you detect unusual magnetic fields, which may indicate the presence of concealed electronic devices Protect yourself from hidden devices! Our app offers powerful tools to effortlessly detect concealed devices, safeguarding your privacy and peace of mind Go premium today: Scan the network via Wi-Fi & Bluetooth Detect unknown connected devices Use an IR camera to find devices Use a magnet to detect devices Pro Subscription: Week Pro Month Pro Annual Pro Start with a 3-day trial on any subscription. Your iTunes account will be billed after purchase confirmation. Subscriptions will auto-renew unless canceled 24 hours before the current period ends. Manage your subscription preferences in Account Settings. Support & Privacy Click to review our privacy policy: https://sites.google.com/view/hidden-device-finder-detect/privacy-policy Check our Terms of Use to understand how we protect your data: https://sites.google.com/view/hidden-device-finder-detect/terms-conditions Reach out to our support team: kelleydalton1994@gmail.com Get It Now

Screenshots

N93 screens
Hidden Device4 screens

Verdict

The call

The clearest difference is rating: Hidden Device at 4.8 against N9's 2.3. Hidden Device also leads on update cadence (daily vs every 3 weeks). N9's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, ratings volume 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. Hidden Device sells 6 in-app purchases, starting at $8.99 per 7 days. N9 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hidden Device holds the better App Store score, 4.8 against 2.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively.

UpkeepUpdate frequency

N9 ships an update every 3 weeks, Hidden Device daily. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
N9 versus Hidden Device: the parameters behind the verdict, then further details
ParameterN9Hidden Device
PriceFreeFree
Rating2.3 (3 ratings)4.8 (6 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings36 — better
Update frequencyEvery 3 weeksDaily — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS8.0 — better16.0
Further details — not scored
Size83 MB19 MB
Age rating4+4+
Developer传林 方Kelley Dalton

Customer experience

N9

All ratings3 ratings
Positive0.0%
Neutral66.7%
Negative33.3%
Written reviews3 reviews
Positive0.0%
Neutral66.7%
Negative33.3%

Hidden Device

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

N9

No in-app purchases

6 purchases

Hidden Device

Subscriptions6
  • hiddenDeviceWeekly$8.997 Days
  • Hidden Device: Finder & Detect3 Days trial$8.997 Days
  • hiddenDeviceMonthly$14.991 Month
Show 3 more
  • hiddenDeviceMonthlyTrial3 Days trial$15.991 Month
  • hiddenDeviceYearly$83.991 Year
  • hiddenDeviceYearlyTrial3 Days trial$99.991 Year

Questions

Is N9 free?
N9 is free to download, with no in-app purchases.
Is Hidden Device free?
Hidden Device is free to download, with in-app purchases available.
Which has better reviews, N9 or Hidden Device?
Hidden Device is rated higher. N9 averages 2.3 out of 5 from 3 ratings, while Hidden Device averages 4.8 from 6 ratings.
Do N9 or Hidden Device have ads?
Hidden Device shows ads; N9 does not.
Which is updated more often, N9 or Hidden Device?
N9 ships an update every 3 weeks, and Hidden Device daily. Most recently, N9 was updated on October 16, 2026 and Hidden Device on October 24, 2026.

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