# Blue Sentry vs Viewu

The clearest difference is update cadence: Viewu at every 3 days against Blue Sentry's every 23 months. Blue Sentry's advantage is iOS requirement (13.0 vs 17.6). 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.

Blue Sentry ships an update every 23 months, Viewu every 3 days. The most recent releases landed on October 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Blue Sentry | Viewu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/viewu/id6502717790/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 70.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 33 MB | 63 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Elbis](https://appshunter.io/developer/1455228882) | [Matthew Ehrhart](https://appshunter.io/developer/1746564587) |

## What reviewers say

### Blue Sentry

[App page](https://appshunter.io/ios/app/blue-sentry/id1599079697)

**Features:** macOS Compatibility

**In-app purchases:** none


### Viewu

[App page](https://appshunter.io/ios/app/viewu/id6502717790)

Monitor and manage your Frigate security system with this open-source iOS app. View live camera streams, review past events on an intuitive timeline, and receive customizable push notifications. It offers seamless integration with Frigate Video NVR for enhanced home or office security.

**Highlights:** Event timeline navigation, Live RTSP stream viewing, Customizable push notifications, Frigate NVR integration, Privacy-focused data handling, Community-driven development

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Sentry free?

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

### Is Viewu free?

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

### Do Blue Sentry or Viewu have ads?

Neither Blue Sentry nor Viewu shows ads.

### Which is updated more often, Blue Sentry or Viewu?

Blue Sentry ships an update every 23 months, and Viewu every 3 days. Most recently, Blue Sentry was updated on October 7, 2026 and Viewu on September 21, 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.*