# Sentry by RF Code vs BluBlu Sentry

The clearest difference is update cadence: BluBlu Sentry at fortnightly against Sentry by RF Code's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

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

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

## The numbers

| Metric | Sentry by RF Code | BluBlu Sentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sentry-by-rf-code/id1645683076/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 11 MB | 74 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RF Code, Inc.](https://appshunter.io/developer/732245715) | [Blublu Tech Inc](https://appshunter.io/developer/1835047735) |

## 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


### BluBlu Sentry

[App page](https://appshunter.io/ios/app/blublu-sentry/id6761701658)

**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 BluBlu Sentry free?

BluBlu Sentry is free to download, with no in-app purchases.

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

Neither Sentry by RF Code nor BluBlu Sentry shows ads.

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

Sentry by RF Code ships an update every 7 months, and BluBlu Sentry fortnightly. Most recently, Sentry by RF Code was updated on October 3, 2026 and BluBlu Sentry on October 7, 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.*