# NN Marathon Rotterdam vs TrainingData

The clearest difference is update cadence: NN Marathon Rotterdam at weekly against TrainingData's every 4 months. TrainingData's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NN Marathon Rotterdam sells 2 in-app purchases, starting at $5.99 per year and TrainingData sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

NN Marathon Rotterdam ships an update weekly, TrainingData every 4 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | NN Marathon Rotterdam | TrainingData |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Size | 114 MB | 32 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Golazo Sports B.V.](https://appshunter.io/developer/1449451114) | [Lorenzo Franceschini](https://appshunter.io/developer/1870782240) |

## What reviewers say

### NN Marathon Rotterdam

[App page](https://appshunter.io/ios/app/nn-marathon-rotterdam/id6759012329)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PLUS Unlimited | $5.99 | per year |
| PLUS Single Event | $3.99 | one-time |


### TrainingData

[App page](https://appshunter.io/ios/app/trainingdata-personal-trainer/id6767159828)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $5.99 | per month |
| Yearly Pro | $44.99 | per year |
| Yearly Business | $89.99 | per year |


## Frequently asked questions

### Is NN Marathon Rotterdam free?

NN Marathon Rotterdam is free to download, with in-app purchases available.

### Is TrainingData free?

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

### Do NN Marathon Rotterdam or TrainingData have ads?

Neither NN Marathon Rotterdam nor TrainingData shows ads.

### Which is updated more often, NN Marathon Rotterdam or TrainingData?

NN Marathon Rotterdam ships an update weekly, and TrainingData every 4 months. Most recently, NN Marathon Rotterdam was updated on October 28, 2026 and TrainingData on October 28, 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.*