Device Detector vs Sentry by RF Code
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Device Detector
Scan and analyze all devices connected to your local network. This essential tool helps protect your privacy by identifying everything on your network. Regular updates ensure an improved user experience.
- Scan local network
- Analyze connected devices
- Privacy protection
- Regular updates
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This is a tool to scan and analyze all devices on your local network. It is an essential app to protect your privacy. We will regularly update the app to improve your experience.
Sentry by RF Code
Continuously monitors remote IT environments, providing real-time video and thermal data. Receive automated alerts for potential threats to prevent costly IT issues.
- Real-time video monitoring
- Thermal activity tracking
- Automated threat alerts
- Failure-tolerant connection
- Critical asset visibility
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Know what’s going on in your remote IT spaces without having to be on-site. Sentry is constantly monitoring unmanned, remote IT environments so you don’t have to. With deep intelligence and real-time alerts, Sentry makes it easier to prevent, thwart, or remediate costly IT situations. Key Features: * Critical Asset Visibility: Get live and recorded video monitoring of all your remote IT environments from anywhere at any time. * Thermal Monitoring: Sentry tracks temperature activity. Thermal sensors monitor temperature fluctuations, pinpoint hot spots, and alert you of any spikes. * Failure-Tolerant Connection: With a backup battery, Sentry stays up and running to give you uninterrupted visibility in the face of power failure or an area-wide outage. * Automated, Real-Time Alerts: When something goes wrong, you need to know. Sentry will send an alert when it detects a threat to your remote IT environment. https://www.rfcode.com/sentry
Screenshots
Verdict
The clearest difference is rating: Sentry by RF Code at 5.0 against Device Detector's 4.4. Sentry by RF Code also leads on ads (none vs shown) and monetization model (free vs ad-supported). Device Detector's advantage is update cadence (monthly vs every 7 months) and ratings volume (3.6K vs 3). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Sentry by RF Code holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Device Detector has 3.6K ratings behind it against 3, so its average is the more settled of the two.
Device Detector ships an update monthly, Sentry by RF Code every 7 months. The most recent releases landed on October 6, 2026 and September 15, 2026 respectively.
| Parameter | Device Detector | Sentry by RF Code |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (3.6K ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 48.9% of reviews | — |
| Number of ratings | 3.6K — better | 3 |
| Update frequency | Monthly — better | Every 7 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 44 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | 长金 胡 | RF Code, Inc. |
Customer experience
Device Detector
Sentry by RF Code
Bugs and requests
Device Detector
Reported bugs
3 issues- Inconsistent network connectivity detection
- Crashes and freezes during scans
- Incorrect device identification in some cases
Requested features
4 requests- Improve device identification and location details
- Provide more context on suspicious devices
- Offer ad-free or paid version to remove ads
- Add support for more device types and manufacturers
Sentry by RF Code
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Device Detector
No in-app purchases
Sentry by RF Code
No in-app purchases
Questions
Is Device Detector free?
Is Sentry by RF Code free?
Which has better reviews, Device Detector or Sentry by RF Code?
Do Device Detector or Sentry by RF Code have ads?
Which is updated more often, Device Detector or Sentry by RF Code?
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