# Drone Scanner vs GSD Drone Calculator

The clearest difference is rating: GSD Drone Calculator at 4.0 against Drone Scanner's 1.9. GSD Drone Calculator also leads on update cadence (monthly vs every 3 months). Drone Scanner's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price and device support there is nothing between them.

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

GSD Drone Calculator holds the better App Store score, 4.0 against 1.9. That said, the two scores are not equally well evidenced: Drone Scanner has 147 ratings behind it against 3, so its average is the more settled of the two.

Drone Scanner ships an update every 3 months, GSD Drone Calculator monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Drone Scanner | GSD Drone Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (147 ratings)](https://appshunter.io/ios/app/drone-scanner/id1644548782/reviews) | **[4.0 (3 ratings)](https://appshunter.io/ios/app/gsd-drone-calculator/id6450757319/reviews)** |
| Number of ratings | **147** | 3 |
| Positive reviews | 15.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 2 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dronetag](https://appshunter.io/developer/1527565212) | [Roman Akhromieiev](https://appshunter.io/developer/1223973006) |

## What reviewers say

### Drone Scanner

[App page](https://appshunter.io/ios/app/drone-scanner/id1644548782)

Transform your device into a drone scanner to track nearby flights in real-time. View detailed flight information, including pilot data and location history, on an interactive map. The app is updated to comply with current EU and US regulations.

**Highlights:** Real-time drone tracking, Detailed drone information, Interactive flight map, Support for Bluetooth and Wi-Fi broadcasts, Flying zone highlighting, Data export functionality

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Works as advertised
- 🚀 Great app for Android
- 💡 Excellent Remote ID scanner

**What reviewers complain about**

- 🐛 Does not work on iOS
- 🐛 Unable to detect drones
- 🔒 Privacy concerns
- 🔒 Collects personal information

**Reported bugs**

- App crashes on launch
- Unable to locate drones in proximity
- Inaccurate location tracking

**Requested features**

- Add support for WiFi-based Remote ID
- Add support for more drone models
- Allow changing units from metric to imperial


### 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 |


## Frequently asked questions

### Is Drone Scanner free?

Drone Scanner 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 Scanner or GSD Drone Calculator?

GSD Drone Calculator is rated higher. Drone Scanner averages 1.9 out of 5 from 147 ratings, while GSD Drone Calculator averages 4.0 from 3 ratings.

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

GSD Drone Calculator shows ads; Drone Scanner does not.

### Which is updated more often, Drone Scanner or GSD Drone Calculator?

Drone Scanner ships an update every 3 months, and GSD Drone Calculator monthly. Most recently, Drone Scanner was updated on October 24, 2026 and GSD Drone Calculator on October 24, 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.*