# Sentry by RF Code vs RF Detector

The clearest difference is update cadence: RF Detector at every 4 days against Sentry by RF Code's every 7 months. Sentry by RF Code's advantage is monetization model (free vs free with in-app purchases). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Sentry by RF Code against 5.0 for RF Detector. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Sentry by RF Code ships an update every 7 months, RF Detector every 4 days. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Sentry by RF Code | RF Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/sentry-by-rf-code/id1645683076/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/rf-detector-refi/id6789630945/reviews) |
| Number of ratings | **3** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 67 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RF Code, Inc.](https://appshunter.io/developer/732245715) | [Daniel Dominguez](https://appshunter.io/developer/1713964409) |

## What reviewers say

### Sentry by RF Code

[App page](https://appshunter.io/ios/app/sentry-by-rf-code/id1645683076)

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

**In-app purchases:** none


### RF Detector

[App page](https://appshunter.io/ios/app/rf-detector-refi/id6789630945)

This tool helps detect hidden electronic devices and cameras by scanning for electromagnetic fields and network connections. It offers real-time visualizers and alerts, all processed offline without requiring an account or sharing your data.

**Highlights:** Smart RF Detector, Network Scanner, Real-Time Visualizer, Haptic & Audio Alerts, 100% Offline Processing, Zero Account Required

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sentry by RF Code free?

Sentry by RF Code is free to download, with no in-app purchases.

### Is RF Detector free?

RF Detector is free to download, with no in-app purchases.

### Which has better reviews, Sentry by RF Code or RF Detector?

Sentry by RF Code and RF Detector are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Sentry by RF Code or RF Detector have ads?

Neither Sentry by RF Code nor RF Detector shows ads.

### Which is updated more often, Sentry by RF Code or RF Detector?

Sentry by RF Code ships an update every 7 months, and RF Detector every 4 days. Most recently, Sentry by RF Code was updated on October 3, 2026 and RF Detector on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*