Comparison

DBHam vs Coordinate map, query location

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DBHam

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
Read full description

Compute distance and bearing using Maidenhead location. This was originally intended for use by amateur radio operators who participate in microwave communications however it can be used by any ham in order to determine a distance and bearing to another radio amateur. If you want to see maps of the source and target with annotations and overlays as well as be able to touch the map to determine the grid at a particular point, then take a look at our App: DBHamPlus.

About

Coordinate map, query location

Features
Read full description

Coordinate map can help you convert longitude and latitude coordinates into specific locations on the map, and you can also easily query the corresponding longitude and latitude coordinates on the map location. It can easily locate the map when you are doing engineering work, field search, etc. Features of application functions: - Coordinate conversion, one click calculation and conversion of GPS position on the map, conversion between vertical and horizontal coordinates, longitude and latitude, etc; - It is simple to use, supports most coordinate systems, and realizes the conversion between different longitude and latitude coordinate units; - Map positioning, updating the map coordinate information in real time, marking the specific position of longitude and latitude coordinate data on the map; - Location query: quickly search the location, query the corresponding coordinate longitude and latitude information, and view the map information of the coordinate. [About Subscription] You can subscribe to have an ad-free experience and to unlock features within Netspeed test. Subscriptions are auto-renewable and are billed weekly at the rate selected depending on the subscription plan. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Payment will be charged to iTunes Account at confirmation of purchase. Subscriptions can be managed, and auto-renewal can be turned off in Account Settings in iTunes after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. - Terms of Use:http://dbkd.jixiansum.xyz/account/vrisingv/ios/6h2AQ52pq4I.html - Privacy Policy: http://dbkd.jixiansum.xyz/account/vrisingv/ios/EIQsRbivvwOzLqF3XYRiuy04P9neUN.html

Screenshots

DBHam1 screens
Coordinate map, query location4 screens

Verdict

The call

The clearest difference is in-app purchases: DBHam at none against Coordinate map, query location's 1. DBHam also leads on iOS requirement (10.3 vs 12.0). Coordinate map, query location's advantage is update cadence (every 4 months vs every 29 months). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Coordinate map, query location sells 1 in-app purchase, starting at $1.99 per 7 days. DBHam asks for nothing beyond the download.

UpkeepUpdate frequency

DBHam ships an update every 29 months, Coordinate map, query location every 4 months. The most recent releases landed on June 5, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 7 level
DBHam versus Coordinate map, query location: the parameters behind the verdict, then further details
ParameterDBHamCoordinate map, query location
PriceFreeFree
Rating2.7 (3 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 29 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.3 — better12.0
Further details — not scored
Size12 MB48 MB
Age rating4+4+
DeveloperThomas Sullivan涛涛 聂

In-app purchases

None

DBHam

No in-app purchases

1 purchases

Coordinate map, query location

Subscriptions1
  • Latitude and Longitude Map VIP3 Days trial$1.997 Days

Questions

Is DBHam free?
DBHam is free to download, with no in-app purchases.
Is Coordinate map, query location free?
Coordinate map, query location is free to download, with in-app purchases available.
Do DBHam or Coordinate map, query location have ads?
Neither DBHam nor Coordinate map, query location shows ads.
Which is updated more often, DBHam or Coordinate map, query location?
DBHam ships an update every 29 months, and Coordinate map, query location every 4 months. Most recently, DBHam was updated on June 5, 2026 and Coordinate map, query location on September 14, 2026.

Other comparisons