# DBHamPlot vs QTH Grid Square Locator

The clearest difference is update cadence: QTH Grid Square Locator at daily against DBHamPlot's every 42 months. DBHamPlot's advantage is iOS requirement (9.1 vs 18.0). 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.

DBHamPlot ships an update every 42 months, QTH Grid Square Locator daily. The most recent releases landed on September 8, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | DBHamPlot | QTH Grid Square Locator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dbhamplot/id799430275/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Daily** |
| Monetization | Free | Free |
| Size | 12 MB | 3 MB |
| Requires iOS | **9.1** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Sullivan](https://appshunter.io/developer/307748713) | [Ugur Altinsoy](https://appshunter.io/developer/1721426307) |

## What reviewers say

### DBHamPlot

[App page](https://appshunter.io/ios/app/dbhamplot/id799430275)

Calculate distance and bearing between two locations using Maidenhead grid squares. This tool is designed for amateur radio operators to easily determine proximity and direction to other hams, featuring an interactive map for pinpointing locations and identifying grid areas.

**Highlights:** Compute distance and bearing, Maidenhead location input, Map display with annotations, Identify six-digit grid areas, Interactive map for location pinpointing, User-added annotation removal

**Features:** macOS Compatibility

**In-app purchases:** none


### QTH Grid Square Locator

[App page](https://appshunter.io/ios/app/qth-grid-square-locator/id6738007254)

Calculate your Maidenhead grid locator accurately using your device's GPS. This tool is designed for amateur radio operators, offering real-time calculations and offline functionality for contests and DX communication.

**Highlights:** Real-time GPS location calculation, Maidenhead grid system support, Offline functionality, Interactive map view, Optimized for amateur radio

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DBHamPlot free?

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

### Is QTH Grid Square Locator free?

QTH Grid Square Locator is free to download, with no in-app purchases.

### Do DBHamPlot or QTH Grid Square Locator have ads?

Neither DBHamPlot nor QTH Grid Square Locator shows ads.

### Which is updated more often, DBHamPlot or QTH Grid Square Locator?

DBHamPlot ships an update every 42 months, and QTH Grid Square Locator daily. Most recently, DBHamPlot was updated on September 8, 2026 and QTH Grid Square Locator on June 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.*