# E1 vs AC911

The clearest difference is in-app purchases: AC911 at none against E1's 2. AC911 also leads on iOS requirement (13.0 vs 16). E1's advantage is update cadence (every 4 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. E1 sells 2 in-app purchases, starting at $0.99 per 7 days. AC911 asks for nothing beyond the download.

E1 ships an update every 4 weeks, AC911 every 3 months. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | E1 | AC911 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (16 ratings)](https://appshunter.io/ios/app/e1-emergency-alerts/id6498710948/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 130 MB | 61 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [E1, LLC](https://appshunter.io/developer/1741737143) | [Nuve Home](https://appshunter.io/developer/1752266972) |

## What reviewers say

### E1

[App page](https://appshunter.io/ios/app/e1-emergency-alerts/id6498710948)

This app provides instant emergency alerts to trusted contacts and local communities, offering faster help than traditional services. It enhances home security and strengthens community safety by enabling real-time location sharing and emergency-specific notifications.

**Highlights:** Instant emergency alerts, Faster help than 911, Strengthen home security, Emergency-specific alerts, Real-time location sharing, Two-way emergency updates

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sandbox subs | $0.99 | per 7 days |
| Premium Annual | $49.99 | per year |


### AC911

[App page](https://appshunter.io/ios/app/ac911/id6742133770)

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

**In-app purchases:** none


## Frequently asked questions

### Is E1 free?

E1 is free to download, with in-app purchases available.

### Is AC911 free?

AC911 is free to download, with no in-app purchases.

### Do E1 or AC911 have ads?

Neither E1 nor AC911 shows ads.

### Which is updated more often, E1 or AC911?

E1 ships an update every 4 weeks, and AC911 every 3 months. Most recently, E1 was updated on November 4, 2026 and AC911 on October 28, 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.*