Comparison

Otterlocks vs Tracking Device Detector

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

Head to head
About

Otterlocks

This app provides real-time notifications for smart lock status changes, alerting authorized personnel to lockouts and clear events. It generates comprehensive reports detailing lockout timelines for all equipment.

Highlights
  • Real-time smart lock status notifications
  • Lockout alerts to authorized workers
  • All clear notifications
  • Lockout event reporting
  • Full lockout timelines
  • Equipment lockout tracking
Features
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• Notifies all workers to Safe Sync Smart Lock status changes • Send ‘Lock Out Alerts’ and ‘All Clear’ notification to authorized and affected workers with the touch of button • Reporting of all lockout event creating full timelines for when lockouts occur for all equipment.

About

Tracking Device Detector

Detect and locate nearby Bluetooth devices that may be tracking your location without consent. The app scans for active Bluetooth signals, identifies unknown or suspicious devices, and shows real-time signal strength to help you determine proximity. Stay aware and secure by identifying potential risks and taking control of your privacy.

Highlights
  • Scan for active Bluetooth devices
  • Detect unknown tracking devices
  • View signal strength and proximity
  • Real-time updates
  • Alerts for potential tracking activity
  • Privacy-focused interface
Features
Read full description

Tracking Device Detector scans your surroundings for hidden Bluetooth trackers and spy cameras that may compromise your privacy. Whether you're checking a hotel room, Airbnb, office, or your own car, the app gives you a complete set of tools to detect potential threats and stay protected. TRACKER DETECTION Scan for active Bluetooth devices nearby, including unknown or suspicious trackers. The app identifies potential tracking devices and displays real-time signal strength so you can estimate how close they are. Use the proximity meter to physically locate a suspicious device as you move around. The closer you get, the stronger the signal. HIDDEN CAMERA DETECTION Sweep any room for hidden cameras using four detection methods: Night Vision Scanner Uses your iPhone's front camera to reveal infrared light from night-vision cameras in dark environments. Lens Reflection Finder Activates your flashlight and camera together to spot reflective glints from hidden camera lenses on surfaces. Electronics Detector Measures magnetic field activity near suspicious objects like smoke detectors, clocks, outlets, and wall fixtures to identify concealed electronic devices. Wi-Fi Camera Scanner Scans the local network to find connected devices and flags potential cameras based on device type and manufacturer. DESIGNED FOR REAL-WORLD USE Traveling, staying at a rental, or moving into a new space? Run a quick scan to check your environment. The app provides clear instructions for each detection mode and shows results you can act on. No technical knowledge required. Privacy-focused by design. All scanning is performed locally on your device. No data is collected or shared. Unlimited access to all detection tools requires a subscription. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Otterlocks4 screens
Tracking Device Detector4 screens

Verdict

The call

The clearest difference is in-app purchases: Otterlocks at none against Tracking Device Detector's 3. Otterlocks also leads on ads (none vs shown) and rating (5.0 vs 4.7). Tracking Device Detector's advantage is ratings volume (120 vs 1) and update cadence (every 2 months vs every 4 months). On price, device support and iOS requirement 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. Tracking Device Detector sells 3 in-app purchases, starting at $7.99 per 7 days. Otterlocks asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Otterlocks holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Tracking Device Detector has 120 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Otterlocks ships an update every 4 months, Tracking Device Detector every 2 months. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

Scorecard6 real differences · 4 level
Otterlocks versus Tracking Device Detector: the parameters behind the verdict, then further details
ParameterOtterlocksTracking Device Detector
PriceFreeFree
Rating5.0 (1 ratings) — better4.7 (120 ratings)
Positive reviews—100.0% of reviews
Number of ratings1120 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.415.0 — better
Further details — not scored
Size45 MB20 MB
Age rating4+4+
DeveloperOtterlocksSEMA ORUC

Customer experience

Otterlocks

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

Tracking Device Detector

All ratings120 ratings
Positive90.0%
Neutral2.5%
Negative7.5%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Otterlocks

No in-app purchases

3 purchases

Tracking Device Detector

Subscriptions3
  • Weekly Access$7.997 Days
  • Special Offer Yearly Access$17.991 Year
  • Yearly Access$34.991 Year

Questions

Is Otterlocks free?
Otterlocks is free to download, with no in-app purchases.
Is Tracking Device Detector free?
Tracking Device Detector is free to download, with in-app purchases available.
Which has better reviews, Otterlocks or Tracking Device Detector?
Otterlocks is rated higher. Otterlocks averages 5.0 out of 5 from 1 ratings, while Tracking Device Detector averages 4.7 from 120 ratings.
Do Otterlocks or Tracking Device Detector have ads?
Tracking Device Detector shows ads; Otterlocks does not.
Which is updated more often, Otterlocks or Tracking Device Detector?
Otterlocks ships an update every 4 months, and Tracking Device Detector every 2 months. Most recently, Otterlocks was updated on October 7, 2026 and Tracking Device Detector on October 17, 2026.

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