Detector. vs Locked In
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Detector.
This app uses your phone's sensors to scan for hidden signals, wireless activity, and environmental anomalies. It helps inspect spaces for suspicious devices and provides detailed reports for privacy and security analysis. Features include room mapping, risk assessment, and device diagnostics.
- Hidden signal scanning
- Device analysis
- Room mapping
- Risk assessment
- Detailed reporting
- Environmental anomaly detection
- Offline mode
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Detector – Hidden Signal Scanner & Device Analyzer See what your eyes cannot — using your phone. Detector is a privacy, security, and environmental analysis app that helps inspect hotel rooms, vacation rentals, offices, vehicles, and other spaces for unusual signals, wireless activity, suspicious devices, and environmental anomalies. Using your devices built-in sensors and wireless capabilities, Detector combines scanning tools, room mapping, risk analysis, reporting, and device diagnostics in one app. Full Scan Perform a comprehensive room inspection and create a detailed investigation report. Features include: • Room Mapping & Coverage Tracking • Spatial Findings & Risk Markers • Timeline-Based Event Tracking • Risk Summary Reports • Historical Scan Archive • Sensor-Specific Findings • Suspicious Activity Logging • Photo Evidence Capture • Notes & Investigation Records • PDF Export & Sharing Detection Tools Detector combines multiple technologies into a single workflow: • Infrared / Lens Detection • Ultrasound Analysis • Magnetic Field Detection • Light & Flicker Monitoring • Motion Detection • Pressure Monitoring • Bluetooth (BLE) Scanner • Wi-Fi Scanner • Ultra Wideband (UWB) Analysis • NFC Tag & Device Detection • Cellular Network Analysis • GPS Anomaly Monitoring Reports & Investigation Tools Review current and historical findings with detailed reporting features. • Session Reports • Historical Reports • Timeline View • Risk Classification • Detailed Finding Records • Full Scan Reports • Print, Copy & PDF Export Track scans over time and compare findings across multiple locations and sessions. Device Utilities • Battery Report • Device Health History • Performance Report • Internet Speed Test • Storage Cleaner Privacy-Focused Design • Privacy-First Approach • Local Scan History • Offline Mode Available • No Account Required • Minimal Data Collection Ideal For • Travelers • Hotel Guests • Vacation Rental Users • Journalists • Investigators • Security Professionals • Privacy-Conscious Individuals • Anyone Curious About Hidden Signals and Wireless Activity Additional Features • Support for 77+ Languages • Historical Scan Storage • Photo Documentation • Risk-Based Detection System • Room Coverage Tracking • PDF Export & Sharing • Offline Mode (Subscription) • Ad-Free Experience (Subscription) Detector helps you understand the signals, devices, and environmental activity around you, providing tools for inspection, analysis, documentation, and awareness. Note: Detector uses available device sensors and wireless technologies to analyze environmental conditions, identify compatible nearby devices and tags, and highlight unusual activity patterns. Results should be used as indicators and informational guidance rather than definitive proof of surveillance devices or security threats. LICENSED APPLICATION END USER LICENSE AGREEMENT: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Locked In
Prepare for the CompTIA Security+ (SY0-701) exam with this offline study companion. It offers concise lessons, practice questions, flashcards, and progress tracking to help you master key security concepts.
- Offline study companion
- SY0-701 domain-based lessons
- Practice questions and PBQ activities
- Flashcards with spaced repetition
- Searchable glossary
- Progress tracking and study plan
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Locked In! is a bite-sized study companion for the Security+ (SY0-701) exam. It is built for people who study in 10-minute windows on the train, at lunch, or between meetings. Every lesson is short and focused, and most end with a quick-check so you know what stuck. EXAM TIMELINE This app covers SY0-701 (Security+ V7). CompTIA expects Security+ V8 to launch on or around November 17, 2026, and SY0-701 stays available in English until June 11, 2027. WHAT'S INSIDE • 85 concise lessons spanning all five SY0-701 domains and all 28 objective headings • 48 inline quick-checks plus 82 unique multiple-choice practice questions, with at least one question for every objective • 12 original PBQ-style activities for categorizing, matching, and ordering practice • A 90-minute timed practice run with 50 blueprint-weighted questions selected without repeats from the 82-question bank, plus flags and a review grid; PBQs are practiced separately • 70 flashcards with an optional spaced-review queue • Searchable glossary of 73 terms and acronyms • 21 diagrams across 16 lessons, covering concepts such as the CIA triad, PKI, the TLS handshake, AAA, and incident response • Progress tracking, streaks, bookmarks, and personal notes • Weak-spot review that surfaces the topics you keep missing • Selected real-world frameworks and examples are labeled as supplemental context; consult the current official objectives for the authoritative exam scope WHO IT'S FOR • Career changers studying Security+ alongside a day job • Students supplementing a course or boot camp • Professionals refreshing before a recertification window • Anyone who learns better in short, focused sessions than long lectures WHY LOCKED IN! • Bundled lessons and practice content work offline with no account, analytics, third-party SDKs, or ads. App Store product loading, buying, and restoring require a network connection. • One-time unlock, no subscription • Written and maintained by one independent developer PRIVACY Locked In! stores your progress, bookmarks, and notes on-device. It does not include analytics or advertising SDKs, and the app does not transmit this study data to the developer. FREE SAMPLE AND FULL UNLOCK The free download includes 11 lesson previews, quizzes of up to 10 questions, the 13-card Domain 1 flashcard deck, two Domain 1 PBQ-style activities, 44 glossary definitions, and spaced review for the free cards and any quiz question. One non-consumable in-app purchase unlocks the remaining 74 lessons, all 70 flashcards, all 12 PBQ-style activities, the other 29 glossary definitions (the ones that repeat paid flashcards), quizzes up to 50 questions, and the 90-minute timed practice mode. No subscription. --- DISCLAIMER Not affiliated with, endorsed by, or sponsored by CompTIA. CompTIA® and Security+® are registered trademarks of CompTIA, Inc.
Screenshots
Verdict
The clearest difference is ads: Locked In at none against Detector.'s shown. Detector.'s advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and monetization model 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
Both are free to download. Detector. sells 2 in-app purchases, starting at $1.99 per month and Locked In sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Detector. ships an update weekly, Locked In every 2 weeks. Both last shipped on November 5, 2026.
| Parameter | Detector. | Locked In |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 176 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Olga Ivanova | OMAR DANIEL GRAZIANO |
In-app purchases
Detector.
- detector_by_oliva_subscription$1.991 Month
- detector_by_oliva_donation$1.99
Locked In
- Locked In! Security+ Unlock$14.99









