# SDR Gold vs DMR User Database

The clearest difference is update cadence: SDR Gold at every 3 weeks against DMR User Database's every 3 months. SDR Gold also leads on iOS requirement (12.0 vs 15.0). 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.

SDR Gold ships an update every 3 weeks, DMR User Database every 3 months. The most recent releases landed on October 4, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SDR Gold | DMR User Database |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (2 ratings)](https://appshunter.io/ios/app/dmr-user-database/id6749166551/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 62 MB | 28 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Aurify](https://appshunter.io/developer/1812159103) | [Andreas Krenz](https://appshunter.io/developer/1829006949) |

## What reviewers say

### SDR Gold

[App page](https://appshunter.io/ios/app/sdr-gold/id6670598838)

**Features:** macOS Compatibility

**In-app purchases:** none


### DMR User Database

[App page](https://appshunter.io/ios/app/dmr-user-database/id6749166551)

This app serves as a comprehensive digital phonebook for the Digital Mobile Radio (DMR) community. It allows users to quickly search for Radio IDs, Callsigns, and other user details across multiple integrated databases. Ideal for ham radio operators, it facilitates connections and exploration within the digital radio world.

**Highlights:** Comprehensive search by ID, Callsign, Name, or Location, Integrates multiple DMR databases, View users per country, Built-in logbook for radio contacts, Database export for specific devices, Interactive maps for repeaters, Offline functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SDR Gold free?

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

### Is DMR User Database free?

DMR User Database is free to download, with no in-app purchases.

### Do SDR Gold or DMR User Database have ads?

Neither SDR Gold nor DMR User Database shows ads.

### Which is updated more often, SDR Gold or DMR User Database?

SDR Gold ships an update every 3 weeks, and DMR User Database every 3 months. Most recently, SDR Gold was updated on October 4, 2026 and DMR User Database on October 21, 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.*