# Tell vs CoolGuard

The clearest difference is rating: CoolGuard at 4.7 against Tell's 1.0. CoolGuard also leads on ratings volume (3 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Tell sells 1 in-app purchase, starting at $6.99 per 7 days and CoolGuard sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

CoolGuard holds the better App Store score, 4.7 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

## The numbers

| Metric | Tell | CoolGuard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/tell-decode-his-texts/id6778728869/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/coolguard/id6801791826/reviews)** |
| Number of ratings | 1 | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 4 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Oleksandr Stepanov](https://appshunter.io/developer/988402522) | [Norbert Pentek](https://appshunter.io/developer/1884922906) |

## What reviewers say

### Tell

[App page](https://appshunter.io/ios/app/tell-decode-his-texts/id6778728869)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tell Premium | $6.99 | per 7 days |


### 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 Tell free?

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

### Is CoolGuard free?

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

### Which has better reviews, Tell or CoolGuard?

CoolGuard is rated higher. Tell averages 1.0 out of 5 from 1 ratings, while CoolGuard averages 4.7 from 3 ratings.

### Do Tell or CoolGuard have ads?

Neither Tell nor CoolGuard shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*