KeyBell vs Hidden Device Radar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyBell
Monitor your home or office premises remotely with IP cameras. This free application allows for remote configuration and other useful functions to keep your property secure.
- Remote IP camera monitoring
- Home and office premise surveillance
- Remote configuration
- Security monitoring
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KeyBell enables customers to monitor home / office premises where the IP Camera is installed. This free app offers many other useful functions such as: remote configuration.
Hidden Device Radar
Detect hidden cameras, trackers, and smart devices using Bluetooth, Wi-Fi, and NFC signals. Get real-time threat scoring and a proximity graph to locate suspicious devices. Protect your privacy by scanning hotel rooms, rentals, or your home.
- Bluetooth device detection
- Wi-Fi/local network scanning
- Real-time threat scoring
- Signal Strength Finder (Pro)
- Detection history
- On-device processing
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Worried someone is watching or following you? Hidden Device Radar helps you find hidden cameras, trackers, and unknown smart devices — right from your iPhone. Whether you're checking a hotel room, a short-term rental, an office, a car, or your own home, Hidden Device Radar gives you a fast, private way to spot devices that may be recording or tracking you. WHAT IT DETECTS • Bluetooth devices — trackers (AirTag, Tile, SmartTag, Chipolo), cameras, speakers, wearables, and other IoT gadgets • Wi-Fi / local network devices — IP cameras, baby monitors, NVRs, doorbells, and smart-home hardware • Unknown trackers that may be traveling with you • NFC tags — tap to identify a chip hidden in an object (on supported iPhones) KEY FEATURES • Real-time threat scoring — every device is flagged as Info, Suspicious, Elevated, or Critical • Signal Strength Finder — a "warmer / colder" proximity graph that helps you physically locate a device (Pro) • Scan modes for a quick sweep, a single room, or a whole floor • Detailed device fingerprints and manufacturer identification • Detection history so you can tell what's new versus what's always there • 100% on-device — your scans never leave your iPhone. No account, no tracking, no ads. HIDDEN DEVICE RADAR PRO Unlock everything with a one-time purchase: • Signal Strength Finder • NFC Tap-to-Identify • Full threat analysis and guidance • Unlimited detection history • AI Trend Insight HONEST ABOUT LIMITATIONS Hidden Device Radar detects devices that broadcast Bluetooth, Wi-Fi, or NFC signals. Bluetooth, Wi-Fi, and NFC advertisements are unauthenticated, so results are strong investigative leads — not legal proof of a device's identity or intent. The app cannot detect devices that are powered off, purely analog/wired, or that broadcast no signal. PRIVACY FIRST Everything runs locally on your device. We don't collect, upload, or sell your data. There are no accounts and no ads. Use Hidden Device Radar to check your own spaces and protect your own privacy. Always follow the laws in your area.
Screenshots
Verdict
The clearest difference is rating: Hidden Device Radar at 5.0 against KeyBell's 1.8. Hidden Device Radar also leads on update cadence (every 2 weeks vs every 5 months). KeyBell's advantage is in-app purchases (none vs 1) and ratings volume (13 vs 1). On price, ads 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
Both are free to download. Hidden Device Radar sells 1 one-off in-app purchase. KeyBell asks for nothing beyond the download.
Hidden Device Radar holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: KeyBell has 13 ratings behind it against 1, so its average is the more settled of the two.
KeyBell ships an update every 5 months, Hidden Device Radar every 2 weeks. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.
| Parameter | KeyBell | Hidden Device Radar |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (13 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 13 — better | 1 |
| Update frequency | Every 5 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | 瑶 朱 | Aurem Digital llc |
Customer experience
KeyBell
Hidden Device Radar
In-app purchases
KeyBell
No in-app purchases
Hidden Device Radar
- Hidden Device Radar$4.99
Questions
Is KeyBell free?
Is Hidden Device Radar free?
Which has better reviews, KeyBell or Hidden Device Radar?
Do KeyBell or Hidden Device Radar have ads?
Which is updated more often, KeyBell or Hidden Device Radar?
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