# 3830 Viewer vs RUMlogNG2Go

The clearest difference is price: 3830 Viewer at Free against RUMlogNG2Go's $4.99. 3830 Viewer also leads on review sentiment (100% vs 74%) and iOS requirement (10.0 vs 17.6). RUMlogNG2Go's advantage is update cadence (every 5 weeks vs every 4 months) and chart position (#34 vs unranked). On ads, in-app purchases and device support there is nothing between them.

3830 Viewer is free to download; RUMlogNG2Go costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

3830 Viewer ships an update every 4 months, RUMlogNG2Go every 5 weeks. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 3830 Viewer | RUMlogNG2Go |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[4.7 (252 ratings)](https://appshunter.io/ios/app/rumlogng2go/id1005575164/reviews)** |
| Number of ratings | — | **252** |
| Positive reviews | **100.0% of reviews** | 73.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#34** |
| Size | 10 MB | 15 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kazunori Watanabe](https://appshunter.io/developer/709465263) | [Thomas Lindner, DL2RUM](https://appshunter.io/developer/531394808) |

## What reviewers say

### 3830 Viewer

[App page](https://appshunter.io/ios/app/3830-viewer/id719610093)

Easily navigate and view contest details from 3830scores.com on your mobile device. Quickly check scores grouped by category, ideal for on-the-go access after events.

**Highlights:** Easy navigation of 3830scores.com, View current and recent contests, Switch between contest lists, See scores grouped by category, On-the-go score checking

**Features:** macOS Compatibility

**In-app purchases:** none


### RUMlogNG2Go

[App page](https://appshunter.io/ios/app/rumlogng2go/id1005575164)

**Currently charting:** #34 Top Paid · Lifestyle (US App Store)

This application serves as a contact logging tool for amateur radio enthusiasts. It allows users to manage their QSO logs, import and export data in ADIF format, and integrate with various online services for QSL confirmation and log uploads. Features include DXCC tracking, sunrise/sunset calculations, and DX cluster integration.

**Highlights:** Contact logging for amateur radio, ADIF file import and export, DXCC, heading, and distance calculations, eQSL and LoTW user identification, Integrated telnet DX cluster, Real-time Grayline Map, Transceiver data exchange

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

**In-app purchases:** none


## Frequently asked questions

### Is 3830 Viewer free?

3830 Viewer is free to download, with no in-app purchases.

### Is RUMlogNG2Go free?

RUMlogNG2Go costs $4.99, with no in-app purchases.

### Do 3830 Viewer or RUMlogNG2Go have ads?

Neither 3830 Viewer nor RUMlogNG2Go shows ads.

### Which is updated more often, 3830 Viewer or RUMlogNG2Go?

3830 Viewer ships an update every 4 months, and RUMlogNG2Go every 5 weeks. Most recently, 3830 Viewer was updated on October 11, 2026 and RUMlogNG2Go on October 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.*