# strefakursów.pl vs Inprogress

The clearest difference is in-app purchases: strefakursów.pl at none against Inprogress's 36. strefakursów.pl also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (13.4 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Inprogress sells 23 one-off in-app purchases. strefakursów.pl asks for nothing beyond the download.

strefakursów.pl ships an update every 3 weeks, Inprogress every 5 months. The most recent releases landed on September 15, 2026 and July 16, 2026 respectively.

## The numbers

| Metric | strefakursów.pl | Inprogress |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 36 MB | 43 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Hero Sp. z o.o. Sp. k.](https://appshunter.io/developer/1233139955) | [Inprogress Sp. z o.o.](https://appshunter.io/developer/1509020312) |

## What reviewers say

### strefakursów.pl

[App page](https://appshunter.io/ios/app/strefakursowpl/id1479858028)

**In-app purchases:** none


### Inprogress

[App page](https://appshunter.io/ios/app/inprogress/id1563268259)

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

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SET - Znaczenie wartości w bud | $99.99 | one-time |
| SET - Wyznaczanie korzyści pro | $99.99 | one-time |
| SET - Business Model Canvas - | $99.99 | one-time |
| SET - Skuteczne wdrożenie zmia | $99.99 | one-time |
| SET – Planowanie w analizie bi | $99.99 | one-time |
| ITIL® Foundation Bridge (Versi | $149.99 | one-time |
| Kompetencje Menedżera - Zarząd | $249.99 | one-time |
| Negocjacje | $249.99 | one-time |
| ChatGPT + prompt engineering | $299.99 | one-time |
| Digital Transformation Foundat | $349.99 | one-time |
| Podstawy Zarządzania Projektam | $399.99 | one-time |
| Train the Trainer Fundamentals | $399.99 | one-time |
| Train the Trainer Professional | $399.99 | one-time |
| LEARN Framework for Mentors | $599.99 | one-time |
| ITIL® Service (Version 5) | $599.99 | one-time |
| ITIL® Strategy (Version 5) | $599.99 | one-time |
| Modelowanie procesów biznesowy | $699.99 | one-time |
| OMG-Certified Expert in BPM2 ( | $699.99 | one-time |
| ITIL® Product (Version 5) | $799.99 | one-time |
| ITIL® Service (Version 5) | $799.99 | one-time |
| ITIL® Strategy (Version 5) | $799.99 | one-time |
| ITIL® Transformation (Version | $799.99 | one-time |
| IIBA® – ECBA™ Exam Prep. Wprow | $799.99 | one-time |


## Frequently asked questions

### Is strefakursów.pl free?

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

### Is Inprogress free?

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

### Do strefakursów.pl or Inprogress have ads?

Neither strefakursów.pl nor Inprogress shows ads.

### Which is updated more often, strefakursów.pl or Inprogress?

strefakursów.pl ships an update every 3 weeks, and Inprogress every 5 months. Most recently, strefakursów.pl was updated on September 15, 2026 and Inprogress on July 16, 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.*