QTH vs HamGrid
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
QTH
This application helps radio amateurs worldwide locate QTH-locators using GPS. It allows users to view maps, search for specific addresses, and calculate distances to other QTHs. The program is continuously updated and improved.
- QTH-locator definition
- GPS-based location
- Map viewing with internet
- Address search functionality
- Distance calculation
- Marker addition and deletion
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This is a free version of the program "QTH-locator". The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. QTH is determined using the GPS function. To view maps need the presence of the Internet on your device. His QTH is determined automatically when the program starts and is the token of the current geolocation. To find the QTH, different from yours, you need to use the card in the application. To add tags, you need to press and hold your finger on the map until the marker on the map c QTH. The program also allows you to define QTH using the search bar. To do this, type the address in the address bar and select from the list the appropriate address, after which the program will create a marker at this location and will QTH. If you know QTH correspondent you can find it, and find out the distance to it. To delete all the markers need to click icon to clear. The program is being constantly improved. Keep for updates.
HamGrid
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HamGrid shows your position on a map and your Maidenhead locator in large type, along with the accuracy of your fix in meters. The grid HamGrid draws the Maidenhead grid over the map and adjusts it as you zoom: fields at continent scale, grid squares for a region, subsquares for a town. One tap turns it off. Any point on the map Drag the map and a crosshair appears. The display then shows the locator and coordinates of the point under the crosshair, and its distance and bearing from your location. By default, HamGrid uses the straight-line distance from your exact position. In the About screen you can switch to the IARU contest rule, which measures from subsquare center to subsquare center, the way distance-based VHF contests are scored. Search Enter a full locator and the map goes straight there. Enter only the beginning, such as JO5, and all matching grid squares are highlighted. You can also paste coordinates or search for a town, a street or an airfield. On the air β’ The zero is slashed, so you never mistake O for 0 β’ Tap the locator or the coordinates to copy them for your log β’ UTC time and date next to the locator β’ A dark design that is easy on the eyes at night β’ Know your grid square for SOTA, POTA and WWFF activations, roving and VHF contests Widgets The small and medium widgets show your locator, the UTC time and a map of your location. The medium widget also shows the UTC date. Privacy No account, no analytics, no tracking. HamGrid collects no data. Maps and place search are provided by Apple Maps.
Screenshots
Verdict
The clearest difference is update cadence: HamGrid at every 5 days against QTH's every 37 months. QTH's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 17.5). On price, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
QTH ships an update every 37 months, HamGrid every 5 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | QTH | HamGrid |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | β |
| Update frequency | Every 37 months | Every 5 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | β |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 8.0 β better | 17.5 |
| Further details β not scored | ||
| Size | 11 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Timur Isaev | Denny Hoh |
In-app purchases
QTH
No in-app purchases
HamGrid
No in-app purchases








