Comparison

Drone Harmony Mobile vs GSD Drone Calculator

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

Head to head
About

Drone Harmony Mobile

Plan and execute drone flights directly from your iPhone or iPad. This app allows you to synchronize with the cloud, load sites, and adapt flight plans for mapping and inspection missions. Future updates will introduce a 3D interface and expanded drone compatibility.

Highlights
  • iOS flight planning and execution
  • Cloud synchronization
  • Load and adapt flight plans
  • Mapping & Inspection mission support
  • Terrain category missions
  • Gimbal adjustments
Read full description

We have released Drone Harmony Mobile for iOS, the first Drone Harmony flight planning and execution app for iPhones and iPads. You can now plan and execute flights on all iOS devices running iOS 14.0 or later. The new app can synchronize with the Drone Harmony cloud, load sites, plan and adapt flight plans, and execute missions. It provides the required toolset to plan and execute missions from the Mapping & Inspection and Terrain categories in the flight plan catalog. You can also adapt missions planned in Drone Harmony Web on the iOS mobile device (e.g., gimbal adjustments). Flight mission planning and execution in iOS Future updates of Drone Harmony for iOS will include numerous key additions, such as the 3D interface. Moreover, missions can currently not be executed in the virtual stick control mode, meaning that some drones (e.g., the Mavic Mini, the Mavic Air 2, and the Spark) and missions that include panorama waypoints, are currently not supported. The support of this flight mode will be included in an upcoming update.

About

GSD Drone Calculator

Calculate Ground Sample Distance (GSD) for drone missions with this intuitive tool. Input drone specs and camera details to get precise GSD values for optimal mapping, surveying, and photography. Streamline your data collection and enhance accuracy for all aerial endeavors.

Highlights
  • Accurate GSD calculations
  • Input drone and camera specifications
  • Real-time GSD values
  • Optimize flight planning
  • Intuitive user interface
  • Save calculations
  • Image resolution insights
Features
Read full description

Discover the power of precise Ground Sample Distance (GSD) calculations with the revolutionary GSD Drone Calculator app for iOS. Designed exclusively for drone enthusiasts, this cutting-edge tool takes your aerial endeavors to new heights by providing accurate GSD values for optimal mapping, surveying, and photography missions. Unlock the potential of your drone as you harness the advanced capabilities of GSD Drone Calculator. With its intelligent algorithms and state-of-the-art technology, this app delivers unparalleled accuracy in GSD calculations, ensuring your data is reliable and your results are impeccable. Using GSD Drone Calculator is a breeze. Simply input your drone's specifications, including flight altitude, camera resolution, and sensor details, and let the calculator handle the rest. In seconds, you'll have real-time GSD values at your fingertips, enabling you to plan your flights with utmost precision. Whether you're an aerial photographer capturing stunning vistas, a mapping professional conducting detailed surveys, or a researcher studying landscapes, GSD Drone Calculator is your trusted companion. Seamlessly integrate it into your workflow to optimize your data collection, enhance your mapping accuracy, and streamline your decision-making processes. The intuitive user interface of GSD Drone Calculator makes it effortless to navigate through the app's robust features. Customize your settings, explore different calculation algorithms, and save your calculations for future reference. The app also provides valuable insights into image resolution, image overlap, and other crucial factors influencing GSD. Stay ahead of the curve with regular updates and improvements that ensure GSD Drone Calculator remains at the forefront of drone technology. Our dedicated team of developers and industry experts continuously enhance the app's performance and add new features to meet your evolving needs. Whether you're a novice drone pilot or a seasoned professional, GSD Drone Calculator empowers you to make informed decisions, optimize your flights, and achieve superior data accuracy. Download GSD Drone Calculator now and take your drone operations to unprecedented levels of precision and efficiency. Explore the possibilities and redefine your aerial potential with GSD Drone Calculator. Contact: qpbd@ukr.net TERMS OF USE: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Drone Harmony Mobile4 screens
GSD Drone Calculator3 screens

Verdict

The call

The clearest difference is rating: GSD Drone Calculator at 4.0 against Drone Harmony Mobile's 2.0. Drone Harmony Mobile's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume, update cadence 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. GSD Drone Calculator sells 3 in-app purchases, starting at $1.99 per month. Drone Harmony Mobile asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

GSD Drone Calculator holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews complicate that: 9% of Drone Harmony Mobile's written reviews are positive against 0% of GSD Drone Calculator's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Drone Harmony Mobile ships an update every 6 weeks, GSD Drone Calculator monthly. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
Drone Harmony Mobile versus GSD Drone Calculator: the parameters behind the verdict, then further details
ParameterDrone Harmony MobileGSD Drone Calculator
PriceFreeFree
Rating2.0 (6 ratings)4.0 (3 ratings) — better
Positive reviews9.1% of reviews — better0.0% of reviews
Number of ratings6 — better3
Update frequencyEvery 6 weeksMonthly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better18.6
Further details — not scored
Size157 MB2 MB
Age rating4+4+
DeveloperDrone Harmony AGRoman Akhromieiev

Customer experience

Drone Harmony Mobile

All ratings6 ratings
Positive16.7%
Neutral0.0%
Negative83.3%
Written reviews33 reviews
Positive9.1%
Neutral3.0%
Negative87.9%

GSD Drone Calculator

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Drone Harmony Mobile

No in-app purchases

3 purchases

GSD Drone Calculator

Subscriptions2
  • Month3 Days trial$1.991 Month
  • Annual3 Days trial$19.991 Year
One-time1
  • Lifetime$29.99

Questions

Is Drone Harmony Mobile free?
Drone Harmony Mobile is free to download, with no in-app purchases.
Is GSD Drone Calculator free?
GSD Drone Calculator is free to download, with in-app purchases available.
Which has better reviews, Drone Harmony Mobile or GSD Drone Calculator?
GSD Drone Calculator is rated higher. Drone Harmony Mobile averages 2.0 out of 5 from 6 ratings, while GSD Drone Calculator averages 4.0 from 3 ratings.
Do Drone Harmony Mobile or GSD Drone Calculator have ads?
GSD Drone Calculator shows ads; Drone Harmony Mobile does not.
Which is updated more often, Drone Harmony Mobile or GSD Drone Calculator?
Drone Harmony Mobile ships an update every 6 weeks, and GSD Drone Calculator monthly. Most recently, Drone Harmony Mobile was updated on November 3, 2026 and GSD Drone Calculator on November 3, 2026.

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