# System Guard vs Beoltteok Alarm

The clearest difference is ads: Beoltteok Alarm at none against System Guard's shown. System Guard's advantage is device support (3 vs 1) and iOS requirement (17.0 vs 26.1). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. System Guard sells 1 one-off in-app purchase and Beoltteok Alarm sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | System Guard | Beoltteok Alarm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (978 ratings)](https://appshunter.io/ios/app/system-guard/id1210477137/reviews)** | — |
| Number of ratings | **978** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 9 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RBT Digital LLC](https://appshunter.io/developer/1208547221) | [SANGHOON LEE](https://appshunter.io/developer/6807384539) |

## What reviewers say

### System Guard

[App page](https://appshunter.io/ios/app/system-guard/id1210477137)

Gain deep insights into your iPhone, iPad, or Apple Watch. Monitor device health, storage, battery, and network status with clear explanations and historical data. Perform hardware diagnostics and optimize your device's performance.

**Highlights:** Device status overview, Detailed battery health and history, Comprehensive hardware specifications, Storage management and optimization, Network analysis and speed tests, Hardware diagnostic tests, Home/Lock Screen widgets and Siri integration

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| System Guard Pro | $2.99 | one-time |


### Beoltteok Alarm

[App page](https://appshunter.io/ios/app/beoltteok-alarm/id6807384537)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| An Espresso | $0.99 | one-time |
| A Coffee | $2.99 | one-time |
| Another Round | $5.99 | one-time |


## Frequently asked questions

### Is System Guard free?

System Guard is free to download, with in-app purchases available.

### Is Beoltteok Alarm free?

Beoltteok Alarm is free to download, with in-app purchases available.

### Do System Guard or Beoltteok Alarm have ads?

System Guard shows ads; Beoltteok Alarm does not.

### Which is updated more often, System Guard or Beoltteok Alarm?

System Guard ships an update weekly, and Beoltteok Alarm weekly. Most recently, System Guard was updated on October 29, 2026 and Beoltteok Alarm on October 26, 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.*