# MQTT vs WärmePilot

The clearest difference is price: MQTT at Free against WärmePilot's $8.99. MQTT also leads on in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). WärmePilot's advantage is update cadence (every 3 weeks vs every 11 months). On ads and device support there is nothing between them.

MQTT is free to download; WärmePilot costs $8.99 up front. WärmePilot sells 1 one-off in-app purchase. MQTT asks for nothing beyond the download.

MQTT ships an update every 11 months, WärmePilot every 3 weeks. The most recent releases landed on September 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | MQTT | WärmePilot |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Size | 2 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marco Gasser](https://appshunter.io/developer/1625108046) | [Julian Christopher Siebert](https://appshunter.io/developer/1830495244) |

## What reviewers say

### MQTT

[App page](https://appshunter.io/ios/app/mqtt-client/id6443841176)

**Features:** macOS Compatibility

**In-app purchases:** none


### WärmePilot

[App page](https://appshunter.io/ios/app/warmepilot/id6761143466)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WärmePilot Pro | $59.99 | one-time |


## Frequently asked questions

### Is MQTT free?

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

### Is WärmePilot free?

WärmePilot costs $8.99, and also offers in-app purchases.

### Do MQTT or WärmePilot have ads?

Neither MQTT nor WärmePilot shows ads.

### Which is updated more often, MQTT or WärmePilot?

MQTT ships an update every 11 months, and WärmePilot every 3 weeks. Most recently, MQTT was updated on September 12, 2026 and WärmePilot on October 3, 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.*