# Parker PDN vs Helpion

Parker PDN and Helpion are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Parker PDN ships an update every 3 months, Helpion every 2 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Parker PDN | Helpion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/parker-pdn-legacy/id995188136/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 2 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Technology Solutions of Michigan](https://appshunter.io/developer/584020901) | [Leader Group](https://appshunter.io/developer/1051414991) |

## What reviewers say

### Parker PDN

[App page](https://appshunter.io/ios/app/parker-pdn-legacy/id995188136)

This utility app is being retired and users are directed to download a new, updated application. The new app offers enhanced features and support for pneumatic tools.

**Highlights:** Retiring legacy application, Directs to new app, Pneumatic tool support, Updated features

**Features:** macOS Compatibility

**In-app purchases:** none


### Helpion

[App page](https://appshunter.io/ios/app/helpion/id6741139885)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Parker PDN free?

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

### Is Helpion free?

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

### Do Parker PDN or Helpion have ads?

Neither Parker PDN nor Helpion shows ads.

### Which is updated more often, Parker PDN or Helpion?

Parker PDN ships an update every 3 months, and Helpion every 2 months. Most recently, Parker PDN was updated on November 1, 2026 and Helpion on October 30, 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.*