# GSD Drone Calculator vs VarioTB

The clearest difference is in-app purchases: VarioTB at none against GSD Drone Calculator's 3. VarioTB also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. GSD Drone Calculator sells 3 in-app purchases, starting at $1.99 per month. VarioTB asks for nothing beyond the download.

## The numbers

| Metric | GSD Drone Calculator | VarioTB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/gsd-drone-calculator/id6450757319/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 5 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Roman Akhromieiev](https://appshunter.io/developer/1223973006) | [ahmet ates](https://appshunter.io/developer/1855421041) |

## What reviewers say

### GSD Drone Calculator

[App page](https://appshunter.io/ios/app/gsd-drone-calculator/id6450757319)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month | $1.99 | per month |
| Annual | $19.99 | per year |
| Lifetime | $29.99 | one-time |


### VarioTB

[App page](https://appshunter.io/ios/app/variotb/id6763749476)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GSD Drone Calculator free?

GSD Drone Calculator is free to download, with in-app purchases available.

### Is VarioTB free?

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

### Do GSD Drone Calculator or VarioTB have ads?

GSD Drone Calculator shows ads; VarioTB does not.

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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.*