Detector:Find Lost/Spy Device
By 长金 胡
Detector:Find Lost/Spy Device is a privacy utility for identifying hidden surveillance equipment on iOS.
The App DNA
What makes this app unique?
It replaces the need for expensive, specialized hardware by using standard smartphone sensors to provide immediate peace of mind in unfamiliar environments.
For Travelers and individuals concerned about privacy in hotels or unfamiliar environments.
What does it look like?
Key features
Scans for hidden devices using Bluetooth, magnetic field, infrared, and Wi-Fi sensors.
Triggers immediate notifications upon detection of suspicious signals.
Allows users to adjust sensitivity based on environment needs.
How much does it cost?
The app is distributed as a free utility with no explicit subscription or IAP tiers, relying on ad-supported revenue.
Velocity
Dormant developmentShow more...
5 versions in history. Development pace: zombie.
Who built it?
长金 胡
13+ apps tracked · Utilities
User Sentiment
What do users think recently?
Fresh user feedback skews thrilled. Users appreciate diverse detection methods like magnetic field and infrared scanning provide users with multiple ways to identify hidden devices and the free version offers significant utility without aggressive paywalls or hidden costs for core scanning features.
How are ratings & reviews evolving?
What users say, by theme
- Diverse detection methods like magnetic field and infrared scanning provide users with multiple ways to identify hidden devices
- The free version offers significant utility without aggressive paywalls or hidden costs for core scanning features
- Straightforward interface design allows non-technical users to scan their environment for nearby devices with minimal friction
- Inconsistent distance measurements during Bluetooth scans cause confusion and make locating specific devices difficult for users
49 of 49 recent reviews analyzed · high confidence · Thrilled overall
Read the full review analysisUnlock 1 more frustration theme and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Detector:Find Lost/Spy Device
How's the Utilities market?
Detector:Find Lost/Spy Device maintains a 4.6-star rating across 483 total ratings, positioning it as a reliable free utility in the crowded privacy-tool segment.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Detector:Find Lost/Spy Device
Where is it heading?
The privacy-utility market is consolidating around tools that offer reliable, real-time background monitoring. Detector:Find Lost/Spy Device remains stable due to its free, multi-sensor value proposition, but the lack of active development creates a churn risk as users seek more precise, updated alternatives.
- The two-year update gap signals a maintenance-only posture, which prevents the team from addressing the proximity-measurement inaccuracies that frustrate users.
- High sentiment scores indicate that the core multi-sensor utility remains highly valued, providing a stable base for future feature expansion.
The SWOT
- Multi-sensor integration provides a comprehensive privacy-scanning utility
- Background monitoring would increase passive utility and retention
Next best moves
Stabilize Bluetooth proximity algorithms because inconsistent readings are the top complaint → improve device-location accuracy
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of updates is its current retention strategy…
Read the full takeSince the last report: The app's intelligence profile expanded due to a larger review sample size, surfacing specific technical complaints regarding Bluetooth proximity and ad-supported monetization. Despite this, the development status remains stagnant with no updates in over two years.
Bottom line
Stabilizing the core proximity algorithms would address the primary frustration driving negative sentiment. If the developer fails to resume the update cadence, the app risks losing its utility-based retention to competitors that offer more reliable, actively maintained detection tools.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Detector:Find Lost/Spy Device safe to use for privacy scanning?
Does this app work without an internet connection?
What is the difference between this and other spy device detectors?
Sources
- [1] App Store
Report last updated