# SilentAlert911 vs PiCalculator!

The clearest difference is device support: SilentAlert911 at 4 against PiCalculator!'s —. SilentAlert911 also leads on iOS requirement (12.4 vs 26.0). On price 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.

## The numbers

| Metric | SilentAlert911 | PiCalculator! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/silentalert911/id1481589283/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 2 MB | 1 MB |
| Requires iOS | **12.4** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac** | — |
| Age rating | 4+ | 4+ |
| Developer | [LAN-ACES, INC.](https://appshunter.io/developer/1283513308) | [Nicolo Campari](https://appshunter.io/developer/1692038826) |

## What reviewers say

### SilentAlert911

[App page](https://appshunter.io/ios/app/silentalert911/id1481589283)

This app enables users to send urgent assistance requests for various emergencies, including medical or security threats. Alerts are transmitted to designated response centers and nearby personnel. Account creation and authorization are required for use.

**Highlights:** Initiate assistance requests, Send alerts for medical emergencies, Send alerts for security threats, Transmit alerts to response centers, Notify designated 'Alert Targets', Requires account and authorization

**In-app purchases:** none


### PiCalculator!

[App page](https://appshunter.io/ios/app/picalculator/id6450142995)

**In-app purchases:** none


## Frequently asked questions

### Is SilentAlert911 free?

SilentAlert911 is free to download, with no in-app purchases.

### Is PiCalculator! free?

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

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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.*