# Chatstasy vs SilentAlert911

The clearest difference is device support: SilentAlert911 at 4 against Chatstasy's 2. Chatstasy's advantage is ratings volume (15 vs 4) and iOS requirement (9.0 vs 12.4). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Chatstasy against 5.0 for SilentAlert911. Both are backed by a comparable volume of ratings — 15 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Chatstasy ships an update every 3 months, SilentAlert911 every 4 months. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Chatstasy | SilentAlert911 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (15 ratings)](https://appshunter.io/ios/app/chatstasy/id1158776829/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/silentalert911/id1481589283/reviews)** |
| Number of ratings | **15** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 62 MB | 2 MB |
| Requires iOS | **9.0** | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [CHATSTASY, LLC](https://appshunter.io/developer/1079922624) | [LAN-ACES, INC.](https://appshunter.io/developer/1283513308) |

## What reviewers say

### Chatstasy

[App page](https://appshunter.io/ios/app/chatstasy/id1158776829)

This app streamlines smartphone communication with customizable buttons for quick calls and texts. It offers features like urgent calls, voicemails without ringing, and location sharing to enhance user interaction and safety.

**Highlights:** Customizable chat buttons for calls/texts, Urgent call feature, Voicemail without ringing, Local time and location sharing, Emergency call button, Cloud backup for contacts

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Chatstasy free?

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

### Is SilentAlert911 free?

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

### Which has better reviews, Chatstasy or SilentAlert911?

SilentAlert911 is rated higher. Chatstasy averages 4.9 out of 5 from 15 ratings, while SilentAlert911 averages 5.0 from 4 ratings.

### Do Chatstasy or SilentAlert911 have ads?

Neither Chatstasy nor SilentAlert911 shows ads.

### Which is updated more often, Chatstasy or SilentAlert911?

Chatstasy ships an update every 3 months, and SilentAlert911 every 4 months. Most recently, Chatstasy was updated on October 10, 2026 and SilentAlert911 on October 13, 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.*