# Smart911 vs Salon Halcyon

The clearest difference is review sentiment: Salon Halcyon at 100% against Smart911's 37%. Salon Halcyon also leads on rating (4.9 vs 4.7) and iOS requirement (13.0 vs 16). Smart911's advantage is update cadence (every 4 months vs every 26 months) and ratings volume (6.8K vs 39). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Salon Halcyon holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Smart911 has 6.8K ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 37% of Smart911's written reviews are positive against 100% of Salon Halcyon's.

Smart911 ships an update every 4 months, Salon Halcyon every 26 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Smart911 | Salon Halcyon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6.8K ratings)](https://appshunter.io/ios/app/smart911/id1413223852/reviews) | **[4.9 (39 ratings)](https://appshunter.io/ios/app/salon-halcyon/id6468274082/reviews)** |
| Number of ratings | **6.8K** | 39 |
| Positive reviews | 36.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 26 months |
| Monetization | Free | Free |
| Size | 26 MB | 46 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rave Mobile Safety](https://appshunter.io/developer/691246565) | [Salon Halcyon](https://appshunter.io/developer/1709702290) |

## What reviewers say

### Smart911

[App page](https://appshunter.io/ios/app/smart911/id1413223852)

Enhance emergency preparedness by creating a Safety Profile to share vital household information with 9-1-1. Receive targeted emergency alerts for weather, traffic, and public safety events.

**Highlights:** Create Safety Profiles, Share household information with 9-1-1, Receive emergency alerts, Customize notification types, View medical and contact details

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient access to critical information
- 🔒 Secure emergency response
- 💡 Helpful for first responders

**What reviewers complain about**

- 🐛 Buggy and glitchy
- 🔑 Difficult to log in and account management issues
- 🤔 Confusing and unintuitive interface
- 🔋 Drains battery quickly

**Reported bugs**

- Unable to confirm phone number and get verification code
- Keeps signing users out and unable to log back in
- Incorrect address formatting and inability to update location
- Delayed or missing emergency alerts and notifications

**Requested features**

- Ability to adjust pin location on map
- Option to select specific areas for alerts
- Improved notification settings and customization
- Support for apartment/building entry details


### Salon Halcyon

[App page](https://appshunter.io/ios/app/salon-halcyon/id6468274082)

Easily book your next salon appointment anytime, anywhere. View team profiles, manage your account, and keep track of your past and future bookings. Get ready to feel and look your best with just a few taps.

**Highlights:** Book appointments 24/7, Meet the team, Record appointment history, Manage user account, Choose favorite staff

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Smart911 free?

Smart911 is free to download, with no in-app purchases.

### Is Salon Halcyon free?

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

### Which has better reviews, Smart911 or Salon Halcyon?

Salon Halcyon is rated higher. Smart911 averages 4.7 out of 5 from 6.8K ratings, while Salon Halcyon averages 4.9 from 39 ratings.

### Do Smart911 or Salon Halcyon have ads?

Neither Smart911 nor Salon Halcyon shows ads.

### Which is updated more often, Smart911 or Salon Halcyon?

Smart911 ships an update every 4 months, and Salon Halcyon every 26 months. Most recently, Smart911 was updated on October 29, 2026 and Salon Halcyon on October 24, 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.*