# onninen.pl vs PIIB

The clearest difference is review sentiment: onninen.pl at 100% against PIIB's 0%. PIIB's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

onninen.pl ships an update every 4 months, PIIB every 2 months. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | onninen.pl | PIIB |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 18 MB | 12 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Onninen PL](https://appshunter.io/developer/555964437) | [Polska Izba Inzynierow Budownictwa](https://appshunter.io/developer/1580742501) |

## What reviewers say

### onninen.pl

[App page](https://appshunter.io/ios/app/onninenpl/id555964434)

This app provides access to a comprehensive catalog of electrical and hydraulic products for business customers. It allows for easy ordering, quote requests, product searching, and order history management, all from a mobile device.

**Highlights:** Mobile B2B wholesale platform, Full product catalog access, Product availability and technical data, Barcode scanner for product search, Order history and invoice access, Direct payment options, Promotions and industry news

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

**In-app purchases:** none


### PIIB

[App page](https://appshunter.io/ios/app/piib/id1580742498)

Access membership information, industry services, publications, and materials. Update your contact details, register for training, and create a professional profile. Stay informed with news, announcements, and important notifications.

**Highlights:** Membership information access, Industry services and publications, Update contact details, Register for training, Professional profile creation, News and announcements, Download membership certificates

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

**In-app purchases:** none


## Frequently asked questions

### Is onninen.pl free?

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

### Is PIIB free?

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

### Do onninen.pl or PIIB have ads?

Neither onninen.pl nor PIIB shows ads.

### Which is updated more often, onninen.pl or PIIB?

onninen.pl ships an update every 4 months, and PIIB every 2 months. Most recently, onninen.pl was updated on September 24, 2026 and PIIB on September 10, 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.*