# AlarmWeb vs MOD4

The clearest difference is update cadence: AlarmWeb at every 3 weeks against MOD4's every 4 months. MOD4's advantage is iOS requirement (11.0 vs 15.6). 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.

AlarmWeb ships an update every 3 weeks, MOD4 every 4 months. The most recent releases landed on September 17, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | AlarmWeb | MOD4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 37 MB | 46 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STS Elettronica Srl](https://appshunter.io/developer/1189869276) | [IMG Sicurezza Italia S.R.L.S.](https://appshunter.io/developer/1495771178) |

## What reviewers say

### AlarmWeb

[App page](https://appshunter.io/ios/app/alarmweb/id1618190288)

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

**In-app purchases:** none


### MOD4

[App page](https://appshunter.io/ios/app/mod4/id6443628227)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AlarmWeb free?

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

### Is MOD4 free?

MOD4 is free to download, with no in-app purchases.

### Do AlarmWeb or MOD4 have ads?

Neither AlarmWeb nor MOD4 shows ads.

### Which is updated more often, AlarmWeb or MOD4?

AlarmWeb ships an update every 3 weeks, and MOD4 every 4 months. Most recently, AlarmWeb was updated on September 17, 2026 and MOD4 on May 17, 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.*