# X500 Alarm vs DR

The clearest difference is ads: X500 Alarm at none against DR's shown. X500 Alarm also leads on iOS requirement (7.0 vs 18.2). DR's advantage is update cadence (every 6 weeks vs every 3 months). On price, 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.

X500 Alarm ships an update every 3 months, DR every 6 weeks. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | X500 Alarm | DR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 90 MB | 69 MB |
| Requires iOS | **7.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DreamCatcher IoT Technology Ltd](https://appshunter.io/developer/1527220782) | [DR-Online Sp. z o.o.](https://appshunter.io/developer/1743786912) |

## What reviewers say

### X500 Alarm

[App page](https://appshunter.io/ios/app/x500-alarm/id896073690)

This app controls a wireless GSM alarm system for homes and businesses. It allows arming/disarming via phone calls or SMS, supports multiple users, and provides remote control and firmware upgrades. The system includes a loud siren and standby power.

**Highlights:** Remote arm/disarm via app, Control via free phone call/SMS, Supports multiple users/systems, Built-in 95dB siren, Exit and entry delay support, Remote firmware upgrades

**In-app purchases:** none


### DR

[App page](https://appshunter.io/ios/app/dr-devicetools/id6759614741)

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

**In-app purchases:** none


## Frequently asked questions

### Is X500 Alarm free?

X500 Alarm is free to download, with no in-app purchases.

### Is DR free?

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

### Do X500 Alarm or DR have ads?

DR shows ads; X500 Alarm does not.

### Which is updated more often, X500 Alarm or DR?

X500 Alarm ships an update every 3 months, and DR every 6 weeks. Most recently, X500 Alarm was updated on October 2, 2026 and DR on October 1, 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.*