# ST vs QRZing

The clearest difference is update cadence: QRZing at every 2 days against ST's every 39 months. ST's advantage is iOS requirement (11.0 vs 16.6). 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.

ST ships an update every 39 months, QRZing every 2 days. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ST | QRZing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/qrzing/id6747439071/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 10 MB | 3 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Globalsat Technology Corporation.](https://appshunter.io/developer/624997558) | [Saleh Almulla](https://appshunter.io/developer/1405880489) |

## What reviewers say

### ST

[App page](https://appshunter.io/ios/app/st-20/id1494673055)

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

**In-app purchases:** none


### QRZing

[App page](https://appshunter.io/ios/app/qrzing/id6747439071)

This app helps amateur radio operators by providing access to QRZ.com callsign information, logging QSOs, calculating distances, and displaying propagation data. It also features a compass for rotator control and SDR listening capabilities.

**Highlights:** QRZ.com callsign lookup, API-based QSO logging, Grid square distance calculation, Rotator compass and degree display, SDR listening, Solar and HF propagation data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ST free?

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

### Is QRZing free?

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

### Do ST or QRZing have ads?

Neither ST nor QRZing shows ads.

### Which is updated more often, ST or QRZing?

ST ships an update every 39 months, and QRZing every 2 days. Most recently, ST was updated on October 5, 2026 and QRZing on October 14, 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.*