# OpenDXF vs WärmePilot

The clearest difference is price: OpenDXF at Free against WärmePilot's $8.99. WärmePilot's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

OpenDXF is free to download; WärmePilot costs $8.99 up front. OpenDXF sells 1 one-off in-app purchase and WärmePilot sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

OpenDXF ships an update every 5 weeks, WärmePilot every 3 weeks. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | OpenDXF | WärmePilot |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 6 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Murat Karacam](https://appshunter.io/developer/1847055356) | [Julian Christopher Siebert](https://appshunter.io/developer/1830495244) |

## What reviewers say

### OpenDXF

[App page](https://appshunter.io/ios/app/opendxf/id6759446001)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### 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 OpenDXF free?

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

### Is WärmePilot free?

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

### Do OpenDXF or WärmePilot have ads?

OpenDXF shows ads; WärmePilot does not.

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

OpenDXF ships an update every 5 weeks, and WärmePilot every 3 weeks. Most recently, OpenDXF was updated on October 15, 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.*