# GSM SMS Alarm vs XT UART

The clearest difference is iOS requirement: GSM SMS Alarm at 8.0 against XT UART's 13.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | GSM SMS Alarm | XT UART |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/gsm-sms-alarm/id1224538748/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Monetization | Free | — |
| Size | 2 MB | 6 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [朝山 马](https://appshunter.io/developer/596304901) | [Shenzhen Lanke Xuntong Technology Co., Ltd.](https://appshunter.io/developer/640898259) |

## What reviewers say

### GSM SMS Alarm

[App page](https://appshunter.io/ios/app/gsm-sms-alarm/id1224538748)

Control remote equipment, gates, and access systems using SMS commands from your phone. Receive instant SMS alerts when triggered by digital inputs, offering a low-cost security solution for your assets.

**Highlights:** Remote equipment control via SMS, Gate and door access management, SMS alerts for triggered inputs, Low-cost asset protection, Switching remote systems ON/OFF

**Features:** macOS Compatibility

**In-app purchases:** none


### XT UART

[App page](https://appshunter.io/ios/app/xt-uart/id1448659811)

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

**In-app purchases:** none


## Frequently asked questions

### Is GSM SMS Alarm free?

GSM SMS Alarm is free to download, with no in-app purchases.

### Is XT UART free?

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

### Do GSM SMS Alarm or XT UART have ads?

Neither GSM SMS Alarm nor XT UART shows ads.

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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.*