# Contest Log Visualizer vs RUMlogNG2Go

The clearest difference is price: Contest Log Visualizer at Free against RUMlogNG2Go's $4.99. Contest Log Visualizer also leads on review sentiment (100% vs 74%) and rating (5.0 vs 4.7). RUMlogNG2Go's advantage is ratings volume (251 vs 1). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

Contest Log Visualizer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: RUMlogNG2Go has 251 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Contest Log Visualizer's written reviews are positive against 74% of RUMlogNG2Go's.

Contest Log Visualizer ships an update every 6 weeks, RUMlogNG2Go every 4 weeks. The most recent releases landed on September 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Contest Log Visualizer | RUMlogNG2Go |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/contest-log-visualizer/id709465260/reviews)** | [4.7 (251 ratings)](https://appshunter.io/ios/app/rumlogng2go/id1005575164/reviews) |
| Number of ratings | 1 | **251** |
| Positive reviews | **100.0% of reviews** | 73.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Monetization | **Free** | Paid |
| Size | 2 MB | 15 MB |
| Requires iOS | **10.3** | 16.4 |
| Devices | iPad | **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

### Contest Log Visualizer

[App page](https://appshunter.io/ios/app/contest-log-visualizer/id709465260)

This app allows users to download and visualize past contest log files from websites. It displays station activity by hour and band, supporting various major ham radio contests. Offline use is available for the last downloaded log.

**Highlights:** Download past contest logs, Visualize station activity by hour, Visualize station activity by band, Supports multiple major ham radio contests, Offline access for last downloaded log, Slide show and real-time modes

**Features:** macOS Compatibility

**In-app purchases:** none


### RUMlogNG2Go

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

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 Contest Log Visualizer free?

Contest Log Visualizer is free to download, with no in-app purchases.

### Is RUMlogNG2Go free?

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

### Which has better reviews, Contest Log Visualizer or RUMlogNG2Go?

Contest Log Visualizer is rated higher. Contest Log Visualizer averages 5.0 out of 5 from 1 ratings, while RUMlogNG2Go averages 4.7 from 251 ratings.

### Do Contest Log Visualizer or RUMlogNG2Go have ads?

Neither Contest Log Visualizer nor RUMlogNG2Go shows ads.

### Which is updated more often, Contest Log Visualizer or RUMlogNG2Go?

Contest Log Visualizer ships an update every 6 weeks, and RUMlogNG2Go every 4 weeks. Most recently, Contest Log Visualizer was updated on September 15, 2026 and RUMlogNG2Go on September 24, 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.*