# Data Training vs 3Diagno

The clearest difference is in-app purchases: 3Diagno at none against Data Training's 3. 3Diagno also leads on update cadence (every 4 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Data Training sells 3 one-off in-app purchases. 3Diagno asks for nothing beyond the download.

Data Training ships an update every 5 weeks, 3Diagno every 4 days. The most recent releases landed on September 29, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Data Training | 3Diagno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 110 MB | 45 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Data Training GmbH](https://appshunter.io/developer/1656379458) | [Fares Arab](https://appshunter.io/developer/6797193948) |

## 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 |


### 3Diagno

[App page](https://appshunter.io/ios/app/3diagno/id6797193946)

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

**In-app purchases:** none


## Frequently asked questions

### Is Data Training free?

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

### Is 3Diagno free?

3Diagno is free to download, with no in-app purchases.

### Do Data Training or 3Diagno have ads?

Neither Data Training nor 3Diagno shows ads.

### Which is updated more often, Data Training or 3Diagno?

Data Training ships an update every 5 weeks, and 3Diagno every 4 days. Most recently, Data Training was updated on September 29, 2026 and 3Diagno on September 18, 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.*