# DBHam vs RF Link

The clearest difference is in-app purchases: DBHam at none against RF Link's 2. DBHam also leads on iOS requirement (10.3 vs 15.0). RF Link's advantage is update cadence (every 3 days vs every 29 months). On price, ads and device support there is nothing between them.

Both are free to download. RF Link sells 2 in-app purchases, starting at $1.99 per month. DBHam asks for nothing beyond the download.

DBHam ships an update every 29 months, RF Link every 3 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | DBHam | RF Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/dbham/id558673465/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 12 MB | 47 MB |
| Requires iOS | **10.3** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Sullivan](https://appshunter.io/developer/307748713) | [Yogesh Yadav](https://appshunter.io/developer/6800277487) |

## What reviewers say

### DBHam

[App page](https://appshunter.io/ios/app/dbham/id558673465)

Calculate the distance and bearing between two locations using the Maidenhead grid system. Originally designed for amateur radio operators, it helps determine proximity and direction to other radio enthusiasts.

**Highlights:** Calculate distance, Calculate bearing, Maidenhead grid system, Amateur radio focused, Location annotation

**Features:** macOS Compatibility

**In-app purchases:** none


### RF Link

[App page](https://appshunter.io/ios/app/rf-link-signal-strength-los/id6800277485)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RF Link Pro Monthly | $1.99 | per month |
| RF Link Pro Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is DBHam free?

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

### Is RF Link free?

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

### Do DBHam or RF Link have ads?

Neither DBHam nor RF Link shows ads.

### Which is updated more often, DBHam or RF Link?

DBHam ships an update every 29 months, and RF Link every 3 days. Most recently, DBHam was updated on November 6, 2026 and RF Link on November 5, 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.*