# Smart911 vs ACE Signals

The clearest difference is update cadence: ACE Signals at fortnightly against Smart911's every 4 months. ACE Signals also leads on rating (5.0 vs 4.7). Smart911's advantage is ratings volume (6.8K vs 1). 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.

ACE Signals holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Smart911 has 6.8K ratings behind it against 1, so its average is the more settled of the two.

Smart911 ships an update every 4 months, ACE Signals fortnightly. Both last shipped on November 6, 2026.

## The numbers

| Metric | Smart911 | ACE Signals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6.8K ratings)](https://appshunter.io/ios/app/smart911/id1413223852/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ace-signals/id6796366380/reviews)** |
| Number of ratings | **6.8K** | 1 |
| Positive reviews | 36.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 26 MB | 8 MB |
| Requires iOS | **16** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rave Mobile Safety](https://appshunter.io/developer/691246565) | [ANTHONY WARD](https://appshunter.io/developer/6796366382) |

## 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


### ACE Signals

[App page](https://appshunter.io/ios/app/ace-signals/id6796366380)

Communicate complex emotions or ideas instantly using simple, pre-defined signals within iMessage. Avoid lengthy explanations and ensure you are understood clearly. This app offers four distinct signals for quick communication.

**Highlights:** iMessage extension, Four simple signals, Instant communication, No explaining needed, Stay understood

**Features:** macOS Compatibility, iMessage stickers, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart911 free?

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

### Is ACE Signals free?

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

### Which has better reviews, Smart911 or ACE Signals?

ACE Signals is rated higher. Smart911 averages 4.7 out of 5 from 6.8K ratings, while ACE Signals averages 5.0 from 1 ratings.

### Do Smart911 or ACE Signals have ads?

Neither Smart911 nor ACE Signals shows ads.

### Which is updated more often, Smart911 or ACE Signals?

Smart911 ships an update every 4 months, and ACE Signals fortnightly. Most recently, Smart911 was updated on November 6, 2026 and ACE Signals on November 6, 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.*