# Thermals vs MQTT Tester

The clearest difference is chart position: Thermals at #125 against MQTT Tester's unranked. MQTT Tester's advantage is iOS requirement (11.0 vs 18.6). On price, ads, 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.

## The numbers

| Metric | Thermals | MQTT Tester |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (30 ratings)](https://appshunter.io/ios/app/thermals/id1567050762/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Best chart rank | **#125** | — |
| Size | 3 MB | 26 MB |
| Requires iOS | 18.6 | **11.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [George Garside](https://appshunter.io/developer/815604170) | [My Ciright Inc.](https://appshunter.io/developer/483230396) |

## What reviewers say

### Thermals

[App page](https://appshunter.io/ios/app/thermals/id1567050762)

**Currently charting:** #125 Top Free · Developer Tools (US App Store)

Monitor your device's thermal state and processor activity to diagnose performance issues. Understand why your phone might be running slowly, charging slowly, or have reduced brightness due to overheating. Export data for further analysis with other development tools.

**Highlights:** Displays device thermal state, Shows active processor count, Monitors device uptime, Troubleshoots performance issues, Helps diagnose slow charging, Identifies brightness limitations, Exports raw data for analysis

**Features:** Apple Watch app

**In-app purchases:** none


### MQTT Tester

[App page](https://appshunter.io/ios/app/mqtt-tester/id6446192686)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermals free?

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

### Is MQTT Tester free?

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

### Do Thermals or MQTT Tester have ads?

Neither Thermals nor MQTT Tester shows ads.

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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.*