# 3830 Viewer vs SWLog

The clearest difference is review sentiment: 3830 Viewer at 100% against SWLog's 25%. 3830 Viewer also leads on iOS requirement (10.0 vs 16.1). SWLog's advantage is update cadence (fortnightly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

3830 Viewer ships an update every 4 months, SWLog fortnightly. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 3830 Viewer | SWLog |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 10 MB | 305 MB |
| Requires iOS | **10.0** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kazunori Watanabe](https://appshunter.io/developer/709465263) | [Robert Sillett](https://appshunter.io/developer/1699114535) |

## 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


### SWLog

[App page](https://appshunter.io/ios/app/swlog/id6452913390)

Log amateur radio QSOs and broadcast transmissions on your mobile device. Supports QRZ lookups and various broadcast schedule queries for station identification. Features GPS integration and local log browsing, with the ability to upload to a main logging program.

**Highlights:** Log amateur radio QSOs, Log broadcast transmissions, QRZ lookups, Broadcast schedule lookups, GPS integration, Upload logs to main program

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3830 Viewer free?

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

### Is SWLog free?

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

### Do 3830 Viewer or SWLog have ads?

Neither 3830 Viewer nor SWLog shows ads.

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

3830 Viewer ships an update every 4 months, and SWLog fortnightly. Most recently, 3830 Viewer was updated on October 5, 2026 and SWLog on October 9, 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.*