# Sentinel® mobilesafe vs Sentry BD

The clearest difference is update cadence: Sentry BD at every 3 months against Sentinel® mobilesafe's every 8 months. Sentry BD also leads on iOS requirement (12.0 vs 14.0). 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.

Sentinel® mobilesafe ships an update every 8 months, Sentry BD every 3 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sentinel® mobilesafe | Sentry BD |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 17 MB | 53 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SentryBay Limited](https://appshunter.io/developer/509505329) | [Fronuse Co., Ltd](https://appshunter.io/developer/1660503827) |

## What reviewers say

### Sentinel® mobilesafe

[App page](https://appshunter.io/ios/app/sentinel-mobilesafe/id543166942)

This security application proactively protects your data and ensures safe internet browsing. It warns you about phishing sites, preventing you from entering sensitive information. The app also offers security checks, recommendations, and educational resources for your device.

**Highlights:** Proactive data protection, Safe internet browsing, Phishing site warnings, Security checks and recommendations, Device security education

**In-app purchases:** none


### Sentry BD

[App page](https://appshunter.io/ios/app/sentry-bd/id6450871060)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentinel® mobilesafe free?

Sentinel® mobilesafe is free to download, with no in-app purchases.

### Is Sentry BD free?

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

### Do Sentinel® mobilesafe or Sentry BD have ads?

Neither Sentinel® mobilesafe nor Sentry BD shows ads.

### Which is updated more often, Sentinel® mobilesafe or Sentry BD?

Sentinel® mobilesafe ships an update every 8 months, and Sentry BD every 3 months. Most recently, Sentinel® mobilesafe was updated on November 1, 2026 and Sentry BD on October 27, 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.*