# Data Training vs STSK9

The clearest difference is update cadence: STSK9 at every 2 weeks against Data Training's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Data Training sells 3 one-off in-app purchases and STSK9 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Data Training ships an update every 5 weeks, STSK9 every 2 weeks. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Data Training | STSK9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/stsk9/id6468565276/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 110 MB | 49 MB |
| Requires iOS | **15.2** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Data Training GmbH](https://appshunter.io/developer/1656379458) | [STSK9](https://appshunter.io/developer/1710109116) |

## What reviewers say

### Data Training

[App page](https://appshunter.io/ios/app/data-training/id6444720197)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| How to Power BI Files | Free | one-time |
| Power BI Level 1.0 | Free | one-time |
| Tableau Level 1.0 | Free | one-time |


### STSK9

[App page](https://appshunter.io/ios/app/stsk9/id6468565276)

Access specialized online dog training courses and all your training videos in one convenient app. Receive updates and easily find your favorite content.

**Highlights:** Online dog training courses, Access all training videos, Push notifications for updates, Password-free video access, Save favorite posts

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Puppy University Program | $299.00 | one-time |


## Frequently asked questions

### Is Data Training free?

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

### Is STSK9 free?

STSK9 is free to download, with in-app purchases available.

### Do Data Training or STSK9 have ads?

Neither Data Training nor STSK9 shows ads.

### Which is updated more often, Data Training or STSK9?

Data Training ships an update every 5 weeks, and STSK9 every 2 weeks. Most recently, Data Training was updated on September 10, 2026 and STSK9 on September 12, 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.*