# DRNET Mobile vs NVS Viewer

The clearest difference is update cadence: DRNET Mobile at every 8 months against NVS Viewer's every 60 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.

DRNET Mobile ships an update every 8 months, NVS Viewer every 60 months. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | DRNET Mobile | NVS Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 60 months |
| Size | 24 MB | 9 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOA Corporation](https://appshunter.io/developer/1027208605) | [キング通信工業株式会社](https://appshunter.io/developer/886661736) |

## What reviewers say

### DRNET Mobile

[App page](https://appshunter.io/ios/app/drnet-mobile/id1027242471)

**Features:** macOS Compatibility

**In-app purchases:** none


### NVS Viewer

[App page](https://appshunter.io/ios/app/nvs-viewer/id1086866918)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DRNET Mobile free?

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

### Is NVS Viewer free?

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

### Do DRNET Mobile or NVS Viewer have ads?

Neither DRNET Mobile nor NVS Viewer shows ads.

### Which is updated more often, DRNET Mobile or NVS Viewer?

DRNET Mobile ships an update every 8 months, and NVS Viewer every 60 months. Most recently, DRNET Mobile was updated on September 9, 2026 and NVS Viewer on September 16, 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.*