# Kopter vs ND+Timer

The clearest difference is review sentiment: Kopter at 94% against ND+Timer's 60%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Kopter sells 3 in-app purchases, starting at $2.99 per month and ND+Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Kopter ships an update every 6 weeks, ND+Timer every 2 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Kopter | ND+Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/kopter-profi/id1119076572/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **94.0% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 39 MB | 9 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kopter-Profi GmbH](https://appshunter.io/developer/1161735357) | [Tobias Ullerich](https://appshunter.io/developer/1475365559) |

## What reviewers say

### Kopter

[App page](https://appshunter.io/ios/app/kopter-profi/id1119076572)

This app provides drone pilots in Germany with essential flight information, including weather, airspace restrictions, and solar activity. It offers a cockpit with an alert system, a checklist for flight recommendations, and tools for managing documents and flight logs. Access is limited to insurance customers of Kopter-Profi GmbH.

**Highlights:** External flight parameters (weather, solar activity, airspace), Intuitive alert system, Flight recommendation checklist, Airspace map with explanations, Electronic flight logbook, Document storage for licenses and permits

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Monats Abo | $2.99 | per month |
| 12-Monates Abo | $18.49 | per year |
| Lebenslanger Zugriff | $54.99 | one-time |


### ND+Timer

[App page](https://appshunter.io/ios/app/nd-plus-timer/id1534477340)

This app helps photographers determine correct exposure times for long exposure shots using ND filters. It includes a timer to capture the perfect moment and offers pro features through in-app purchases for enhanced functionality.

**Highlights:** Exposure time calculation with ND filters, Integrated timer for capturing moments, Notifications while device is locked, Dark mode (Pro feature), Lock screen widget with running timer (Pro feature), Dynamic Island support (Pro feature), Automatic exposure computation for multiple filters (Pro feature)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ND+Timer Pro | $1.99 | one-time |


## Frequently asked questions

### Is Kopter free?

Kopter is free to download, with in-app purchases available.

### Is ND+Timer free?

ND+Timer is free to download, with in-app purchases available.

### Do Kopter or ND+Timer have ads?

Neither Kopter nor ND+Timer shows ads.

### Which is updated more often, Kopter or ND+Timer?

Kopter ships an update every 6 weeks, and ND+Timer every 2 months. Most recently, Kopter was updated on October 4, 2026 and ND+Timer on October 7, 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.*