Comparison

QIoT Link vs Sentry by RF Code

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

Head to head
About

QIoT Link

Features
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The QIoT Link is an APP of Internet of Things concept, mainly providing device management, upgrade, configuration, tracking and other services.

About

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.

Highlights
  • Real-time video monitoring
  • Thermal activity tracking
  • Automated threat alerts
  • Failure-tolerant connection
  • Critical asset visibility
Read full description

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

QIoT Link4 screens
Sentry by RF Code4 screens

Verdict

The call

The clearest difference is iOS requirement: QIoT Link at 10.0 against Sentry by RF Code's 15.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on May 17, 2026 and September 15, 2026 respectively.

Scorecard1 real difference · 8 level
QIoT Link versus Sentry by RF Code: the parameters behind the verdict, then further details
ParameterQIoT LinkSentry by RF Code
PriceFreeFree
Rating—5.0 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 7 monthsEvery 7 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better15.0
Further details — not scored
Size12 MB11 MB
Age rating4+4+
DeveloperQueclink Wireless Solutions Co.,LtdRF Code, Inc.

In-app purchases

None

QIoT Link

No in-app purchases

None

Sentry by RF Code

No in-app purchases

Questions

Is QIoT Link free?
QIoT Link is free to download, with no in-app purchases.
Is Sentry by RF Code free?
Sentry by RF Code is free to download, with no in-app purchases.
Do QIoT Link or Sentry by RF Code have ads?
Neither QIoT Link nor Sentry by RF Code shows ads.
Which is updated more often, QIoT Link or Sentry by RF Code?
QIoT Link ships an update every 7 months, and Sentry by RF Code every 7 months. Most recently, QIoT Link was updated on May 17, 2026 and Sentry by RF Code on September 15, 2026.

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