Smart911 vs ACE Signals
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart911
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.
- Create Safety Profiles
- Share household information with 9-1-1
- Receive emergency alerts
- Customize notification types
- View medical and contact details
Read full descriptionHide full description
Be better prepared for any emergency with Smart911. By signing up, you can share lifesaving information about your household with 9-1-1 and receive targeted emergency alerts. When you call 9-1-1, your Smart911 Safety Profile displays on the 9-1-1 screen. The 9-1-1 call takers can view your addresses, medical information, home information, pets and vehicles, and emergency contacts. You can provide as much or as little information as you like. This additional information enables 9-1-1 and first responders to send help fast. Smart911 can also keep you informed of weather, traffic, and other emergencies by sending emergency alerts from the National Weather Service and local public safety agencies. You can select the types of notifications you want and how you want to be notified. Smart911: Information worth sharing. Sign up today.
ACE Signals
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.
- iMessage extension
- Four simple signals
- Instant communication
- No explaining needed
- Stay understood
Read full descriptionHide full description
Send an ACE to stay understood without explaining. Choose from four simple signals inside the iMessage extension.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Smart911 | ACE Signals |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (6.8K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 36.6% of reviews | — |
| Number of ratings | 6.8K — better | 1 |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 16 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Rave Mobile Safety | ANTHONY WARD |
Customer experience
Smart911
ACE Signals
Bugs and requests
Smart911
Reported bugs
4 issues- 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
4 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Smart911
No in-app purchases
ACE Signals
No in-app purchases
