# OSM Training vs PayPrompt Invoice

The clearest difference is in-app purchases: OSM Training at none against PayPrompt Invoice's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PayPrompt Invoice sells 2 in-app purchases, starting at $9.99 per month. OSM Training asks for nothing beyond the download.

## The numbers

| Metric | OSM Training | PayPrompt Invoice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 50 MB | 1 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paolo Agostino Tommaso Ruggeri SAS](https://appshunter.io/developer/1199889098) | [LOGAN LAINE URANICK](https://appshunter.io/developer/1896031248) |

## What reviewers say

### OSM Training

[App page](https://appshunter.io/ios/app/osm-training/id6593709073)

**In-app purchases:** none


### PayPrompt Invoice

[App page](https://appshunter.io/ios/app/payprompt-invoice/id6771476741)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PayPrompt Pro Monthly | $9.99 | per month |
| PayPrompt Pro Yearly | $79.99 | per year |


## Frequently asked questions

### Is OSM Training free?

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

### Is PayPrompt Invoice free?

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

### Do OSM Training or PayPrompt Invoice have ads?

Neither OSM Training nor PayPrompt Invoice shows ads.

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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.*