# CoolGuard vs 단축번호앱

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

Both are free to download. CoolGuard sells 3 one-off in-app purchases. 단축번호앱 asks for nothing beyond the download.

CoolGuard ships an update weekly, 단축번호앱 every 10 days. The most recent releases landed on October 23, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CoolGuard | 단축번호앱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/coolguard/id6801791826/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free | — |
| Size | 7 MB | 39 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Norbert Pentek](https://appshunter.io/developer/1884922906) | [JAEHO OH](https://appshunter.io/developer/6811353134) |

## What reviewers say

### CoolGuard

[App page](https://appshunter.io/ios/app/coolguard/id6801791826)

This app monitors your phone's temperature, providing real-time heat levels and alerts to prevent performance issues and battery aging. It also functions as a customizable night clock with alarms and displays local weather information.

**Highlights:** Live heat level monitoring, Heat trend and log with map, Customizable alerts and cooling tips, Night clock with sleep mode, Multiple alarms with system integration, Outdoor weather display, Lock screen and Dynamic Island widgets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $0.99 | one-time |
| Medium tip | $2.99 | one-time |
| Large tip | $9.99 | one-time |


### 단축번호앱

[App page](https://appshunter.io/ios/app/id6814076023)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CoolGuard free?

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

### Is 단축번호앱 free?

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

### Do CoolGuard or 단축번호앱 have ads?

단축번호앱 shows ads; CoolGuard does not.

### Which is updated more often, CoolGuard or 단축번호앱?

CoolGuard ships an update weekly, and 단축번호앱 every 10 days. Most recently, CoolGuard was updated on October 23, 2026 and 단축번호앱 on October 8, 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.*