# trx vs SOTA Log

The clearest difference is update cadence: SOTA Log at fortnightly against trx's every 23 months. trx's advantage is iOS requirement (13.0 vs 17.0). 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.

trx ships an update every 23 months, SOTA Log fortnightly. The most recent releases landed on September 7, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | trx | SOTA Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sota-log/id6759876471/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 20 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [micro systems](https://appshunter.io/developer/1023315804) | [Christopher Hunt](https://appshunter.io/developer/1881388351) |

## What reviewers say

### trx

[App page](https://appshunter.io/ios/app/trx-control/id6478390481)

**Features:** macOS Compatibility

**In-app purchases:** none


### SOTA Log

[App page](https://appshunter.io/ios/app/sota-log/id6759876471)

Log SOTA and POTA contacts quickly from the field with a single-field input for QSOs. Features live spotting, radio synchronization, and offline functionality for seamless operation.

**Highlights:** One-field QSO logging, Live SOTA/POTA spotting, Radio frequency and mode sync, SMS spotting without data, QRZ callsign lookup, ADIF log export, Offline operation

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

**In-app purchases:** none


## Frequently asked questions

### Is trx free?

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

### Is SOTA Log free?

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

### Do trx or SOTA Log have ads?

Neither trx nor SOTA Log shows ads.

### Which is updated more often, trx or SOTA Log?

trx ships an update every 23 months, and SOTA Log fortnightly. Most recently, trx was updated on September 7, 2026 and SOTA Log on September 20, 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.*