# GSM Alarm System vs IP Scanner

The clearest difference is in-app purchases: GSM Alarm System at none against IP Scanner's 4. GSM Alarm System also leads on iOS requirement (6.0 vs 26). IP Scanner's advantage is update cadence (fortnightly vs every 2 months) and review sentiment (61% vs 50%). On price and ads there is nothing between them.

Both are free to download. IP Scanner sells 4 one-off in-app purchases. GSM Alarm System asks for nothing beyond the download.

GSM Alarm System ships an update every 2 months, IP Scanner fortnightly. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | GSM Alarm System | IP Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (893 ratings)](https://appshunter.io/ios/app/ip-scanner/id6443819966/reviews)** |
| Number of ratings | — | **893** |
| Positive reviews | 50.0% of reviews | **60.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 33 MB |
| Requires iOS | **6.0** | 26 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Quanzhou Heyi Electronics Co., Ltd.](https://appshunter.io/developer/935300847) | [Matia labs, inc.](https://appshunter.io/developer/1726732402) |

## What reviewers say

### GSM Alarm System

[App page](https://appshunter.io/ios/app/gsm-alarm-system/id1038065760)

This smart alarm control system integrates burglar, fire, and gas protection using digital sensor technology. It offers remote control and programming via an iOS app, supporting dual-network connectivity for enhanced security in various environments.

**Highlights:** Burglar, fire, and gas protection, Digital sensor technology, Dual-network connectivity (PSTN + GSM), Remote control and programming via iOS app, Multi-language support, Optional expansion modules

**Features:** macOS Compatibility

**In-app purchases:** none


### IP Scanner

[App page](https://appshunter.io/ios/app/ip-scanner/id6443819966)

This app scans your local network to identify all active devices. It offers fast results, customizable device information, and tools like PING and Wake on LAN. Save and manage past scans for easy reference.

**Highlights:** Fast network scanning, Customizable device names and icons, Save and review past scans, PING, Wake on LAN, Port Scan tools, Save and import custom device lists, Import/export scan results

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IP Scanner Pro Upgrade (iOS) | $19.99 | one-time |
| IP Scanner Pro Upgrade (MacOS) | $19.99 | one-time |
| IP Scanner Ultra (from Pro) | $19.99 | one-time |
| IP Scanner Ultra | $39.99 | one-time |

**What reviewers like**

- 👍 Simple and effective
- 🚀 Immediate response to issues
- 📈 Indispensable for home and SMB networks
- 🔍 Useful network scanning tool
- 🔧 Helps identify devices on the network

**What reviewers complain about**

- 🐛 Crashes on startup or update
- 💰 Expensive for full functionality
- 🤔 Confusing or non-intuitive UI
- 🔍 Difficulty identifying some devices
- 🔋 Resource-intensive scanning

**Reported bugs**

- Crashes on startup
- Unstable on macOS
- Inconsistent scan results across devices
- Loses custom device names after scans
- Detects devices that are no longer on the network

**Requested features**

- Ability to print selected fields
- Include notes in printouts
- Resizable settings window
- Option to block or remove devices
- Improved device identification


## Frequently asked questions

### Is GSM Alarm System free?

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

### Is IP Scanner free?

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

### Do GSM Alarm System or IP Scanner have ads?

Neither GSM Alarm System nor IP Scanner shows ads.

### Which is updated more often, GSM Alarm System or IP Scanner?

GSM Alarm System ships an update every 2 months, and IP Scanner fortnightly. Most recently, GSM Alarm System was updated on October 14, 2026 and IP Scanner on October 27, 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.*