# Zero Helper vs OpenDXF

The clearest difference is price: OpenDXF at Free against Zero Helper's $9.99. OpenDXF also leads on update cadence (every 5 weeks vs every 13 months). Zero Helper's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

OpenDXF is free to download; Zero Helper costs $9.99 up front. OpenDXF sells 1 one-off in-app purchase. Zero Helper asks for nothing beyond the download.

Zero Helper ships an update every 13 months, OpenDXF every 5 weeks. The most recent releases landed on October 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Zero Helper | OpenDXF |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 5 weeks** |
| Size | 42 MB | 6 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Michael Johnston](https://appshunter.io/developer/1834807477) | [Murat Karacam](https://appshunter.io/developer/1847055356) |

## What reviewers say

### Zero Helper

[App page](https://appshunter.io/ios/app/zero-helper/id6752366475)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Zero Helper free?

Zero Helper costs $9.99, with no in-app purchases.

### Is OpenDXF free?

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

### Do Zero Helper or OpenDXF have ads?

OpenDXF shows ads; Zero Helper does not.

### Which is updated more often, Zero Helper or OpenDXF?

Zero Helper ships an update every 13 months, and OpenDXF every 5 weeks. Most recently, Zero Helper was updated on October 30, 2026 and OpenDXF on October 15, 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.*