# Sentry vs Emergency response guides

The clearest difference is rating: Emergency response guides at 5.0 against Sentry's 3.7. Sentry's advantage is ratings volume (6 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Emergency response guides holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Sentry has 6 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Sentry | Emergency response guides |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/sentry-secure/id1525626794/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/emergency-response-guides/id6446833694/reviews)** |
| Number of ratings | **6** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 56 MB | 176 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [VPI Engineering](https://appshunter.io/developer/888055894) | [Volvo Group](https://appshunter.io/developer/568659561) |

## What reviewers say

### Sentry

[App page](https://appshunter.io/ios/app/sentry-secure/id1525626794)

Enhances situational awareness for law enforcement and first responders involved in alarm monitoring strategies. It supports partnerships with government and businesses to protect strategic assets globally.

**Highlights:** Elevates situational awareness, Supports alarm monitoring strategies, Partners with government and first responders, Protects strategic assets globally

**Features:** Vision Pro support

**In-app purchases:** none


### Emergency response guides

[App page](https://appshunter.io/ios/app/emergency-response-guides/id6446833694)

Access technical product information for rescue operations involving Volvo trucks. This application helps establish procedures and methods for effective rescue efforts.

**Highlights:** Technical product information, Rescue operation procedures, Methods for rescue, Volvo truck specific

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentry free?

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

### Is Emergency response guides free?

Emergency response guides is free to download, with no in-app purchases.

### Which has better reviews, Sentry or Emergency response guides?

Emergency response guides is rated higher. Sentry averages 3.7 out of 5 from 6 ratings, while Emergency response guides averages 5.0 from 1 ratings.

### Do Sentry or Emergency response guides have ads?

Neither Sentry nor Emergency response guides shows ads.

### Which is updated more often, Sentry or Emergency response guides?

Sentry ships an update every 3 months, and Emergency response guides every 3 months. Most recently, Sentry was updated on November 3, 2026 and Emergency response guides on November 3, 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.*