# OPTISONIC 6300 P vs PipeDN

The clearest difference is in-app purchases: OPTISONIC 6300 P at none against PipeDN's 3. PipeDN's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PipeDN sells 3 in-app purchases, starting at $7.99 per month. OPTISONIC 6300 P asks for nothing beyond the download.

OPTISONIC 6300 P ships an update every 5 months, PipeDN every 3 weeks. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | OPTISONIC 6300 P | PipeDN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 42 MB | 40 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) | [AQUILES DE LIMA](https://appshunter.io/developer/1883397199) |

## What reviewers say

### OPTISONIC 6300 P

[App page](https://appshunter.io/ios/app/optisonic-6300-p/id6723896425)

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

**In-app purchases:** none


### PipeDN

[App page](https://appshunter.io/ios/app/pipedn/id6760237428)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PipeDN Pro | $7.99 | per month |
| PipeDN Pro | $49.99 | per year |
| PipeDN Pro | $79.99 | one-time |


## Frequently asked questions

### Is OPTISONIC 6300 P free?

OPTISONIC 6300 P is free to download, with no in-app purchases.

### Is PipeDN free?

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

### Do OPTISONIC 6300 P or PipeDN have ads?

Neither OPTISONIC 6300 P nor PipeDN shows ads.

### Which is updated more often, OPTISONIC 6300 P or PipeDN?

OPTISONIC 6300 P ships an update every 5 months, and PipeDN every 3 weeks. Most recently, OPTISONIC 6300 P was updated on October 13, 2026 and PipeDN on October 5, 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.*