# My Resfri Ar vs CoolGuard

The clearest difference is in-app purchases: My Resfri Ar at none against CoolGuard's 3. My Resfri Ar also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

My Resfri Ar ships an update fortnightly, CoolGuard weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | My Resfri Ar | CoolGuard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/coolguard/id6801791826/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Free |
| Size | 45 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Resfri Ar Climatizadores e Equipamentos Ltda](https://appshunter.io/developer/1698172584) | [Norbert Pentek](https://appshunter.io/developer/1884922906) |

## What reviewers say

### My Resfri Ar

[App page](https://appshunter.io/ios/app/my-resfri-ar/id6763062214)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is My Resfri Ar free?

My Resfri Ar is free to download, with no in-app purchases.

### Is CoolGuard free?

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

### Do My Resfri Ar or CoolGuard have ads?

Neither My Resfri Ar nor CoolGuard shows ads.

### Which is updated more often, My Resfri Ar or CoolGuard?

My Resfri Ar ships an update fortnightly, and CoolGuard weekly. Most recently, My Resfri Ar was updated on November 5, 2026 and CoolGuard on October 31, 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.*