# NGS vs PRV

The clearest difference is update cadence: PRV at every 3 weeks against NGS's every 23 months. 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.

NGS ships an update every 23 months, PRV every 3 weeks. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | NGS | PRV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 weeks** |
| Size | 14 MB | 41 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nipponflex Digital](https://appshunter.io/developer/1388522686) | [AURIA](https://appshunter.io/developer/1884703059) |

## What reviewers say

### NGS

[App page](https://appshunter.io/ios/app/ngs/id1586678625)

**Features:** macOS Compatibility

**In-app purchases:** none


### PRV

[App page](https://appshunter.io/ios/app/prv/id6761078043)

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

**In-app purchases:** none


## Frequently asked questions

### Is NGS free?

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

### Is PRV free?

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

### Do NGS or PRV have ads?

Neither NGS nor PRV shows ads.

### Which is updated more often, NGS or PRV?

NGS ships an update every 23 months, and PRV every 3 weeks. Most recently, NGS was updated on October 6, 2026 and PRV on October 5, 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.*