# ERA Invincible Alarm App vs AlarmSMS Controller

The clearest difference is in-app purchases: ERA Invincible Alarm App at none against AlarmSMS Controller's 1. ERA Invincible Alarm App also leads on iOS requirement (9.0 vs 16.0). AlarmSMS Controller's advantage is update cadence (every 5 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. AlarmSMS Controller sells 1 one-off in-app purchase. ERA Invincible Alarm App asks for nothing beyond the download.

ERA Invincible Alarm App ships an update every 5 months, AlarmSMS Controller every 5 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ERA Invincible Alarm App | AlarmSMS Controller |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 87 MB | 32 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ERA HOME SECURITY LIMITED](https://appshunter.io/developer/1048919140) | [George Alexandrou](https://appshunter.io/developer/1875566334) |

## What reviewers say

### ERA Invincible Alarm App

[App page](https://appshunter.io/ios/app/era-invincible-alarm-app/id1160039868)

Remotely control and monitor your home security system from anywhere in the world. Set custom alerts, receive notifications, and even connect to a WiFi camera for live viewing and two-way audio. Multiple users and devices are supported for comprehensive home protection.

**Highlights:** Remote control and monitoring, Customizable alerts and notifications, Automatic network switching (SMS/GPRS/PSTN), Arm, part-arm, disarm functions, Remote voice memo and listening, HD WiFi IP camera integration, Two-way audio communication

**Features:** macOS Compatibility

**In-app purchases:** none


### AlarmSMS Controller

[App page](https://appshunter.io/ios/app/alarmsms-controller/id6773087060)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlarmSMS Pro | $4.99 | one-time |


## Frequently asked questions

### Is ERA Invincible Alarm App free?

ERA Invincible Alarm App is free to download, with no in-app purchases.

### Is AlarmSMS Controller free?

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

### Do ERA Invincible Alarm App or AlarmSMS Controller have ads?

Neither ERA Invincible Alarm App nor AlarmSMS Controller shows ads.

### Which is updated more often, ERA Invincible Alarm App or AlarmSMS Controller?

ERA Invincible Alarm App ships an update every 5 months, and AlarmSMS Controller every 5 weeks. Most recently, ERA Invincible Alarm App was updated on November 2, 2026 and AlarmSMS Controller on November 5, 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.*