# Invoice Pro Nova vs Valve Explorer

The clearest difference is iOS requirement: Valve Explorer at 13.0 against Invoice Pro Nova's 15.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Invoice Pro Nova | Valve Explorer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 29 MB | 57 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Urooba Javed](https://appshunter.io/developer/1896322853) | [Pham Van Thanh](https://appshunter.io/developer/6795206913) |

## What reviewers say

### Invoice Pro Nova

[App page](https://appshunter.io/ios/app/invoice-pro-nova/id6766761461)

**In-app purchases:** none


### Valve Explorer

[App page](https://appshunter.io/ios/app/valve-explorer/id6795206911)

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Pro Nova free?

Invoice Pro Nova is free to download, with no in-app purchases.

### Is Valve Explorer free?

Valve Explorer is free to download, with no in-app purchases.

### Do Invoice Pro Nova or Valve Explorer have ads?

Neither Invoice Pro Nova nor Valve Explorer 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.*