# 3830 Viewer vs DxQSO

The clearest difference is in-app purchases: 3830 Viewer at none against DxQSO's 1. 3830 Viewer also leads on iOS requirement (10.0 vs 15.6). DxQSO's advantage is update cadence (every 2 months vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. DxQSO sells 1 in-app purchase, starting at $29.99 per year. 3830 Viewer asks for nothing beyond the download.

3830 Viewer ships an update every 4 months, DxQSO every 2 months. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 3830 Viewer | DxQSO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dxqso/id6680187988/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Freemium |
| Size | 10 MB | 56 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kazunori Watanabe](https://appshunter.io/developer/709465263) | [DX Development Corporation](https://appshunter.io/developer/1768237525) |

## 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


### DxQSO

[App page](https://appshunter.io/ios/app/dxqso/id6680187988)

Access and manage your amateur radio logbook from any mobile device. This app synchronizes with your PC/Mac logbook software, providing real-time updates, filtering options, and QSL alert notifications. Upload and download log data easily for various operations.

**Highlights:** Real-time logbook synchronization, Mobile access to logbook data, QSL alert notifications, Filter log entries by various criteria, Upload and download log data in ADIF format, Support for multiple stations, Bidirectional integration with LoTW

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DxQSO Annually | $29.99 | per year |


## Frequently asked questions

### Is 3830 Viewer free?

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

### Is DxQSO free?

DxQSO is free to download, with in-app purchases available.

### Do 3830 Viewer or DxQSO have ads?

Neither 3830 Viewer nor DxQSO shows ads.

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

3830 Viewer ships an update every 4 months, and DxQSO every 2 months. Most recently, 3830 Viewer was updated on September 15, 2026 and DxQSO on September 11, 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.*