# GKWierden vs BirdWatcher

The clearest difference is in-app purchases: GKWierden at none against BirdWatcher's 2. BirdWatcher's advantage is update cadence (weekly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BirdWatcher sells 2 in-app purchases, starting at $0.99 per month. GKWierden asks for nothing beyond the download.

GKWierden ships an update every 6 weeks, BirdWatcher weekly. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | GKWierden | BirdWatcher |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 55 MB | 46 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gereformeerde Kerk Wierden](https://appshunter.io/developer/1746509589) | [Jesse de Jonge](https://appshunter.io/developer/1749237420) |

## What reviewers say

### GKWierden

[App page](https://appshunter.io/ios/app/gkwierden/id6502701871)

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

**In-app purchases:** none


### BirdWatcher

[App page](https://appshunter.io/ios/app/birdwatcher/id6572300574)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Birdwatcher Premium 1 Month | $0.99 | per month |
| Birdwatcher Premium 1 Year | $8.99 | per year |


## Frequently asked questions

### Is GKWierden free?

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

### Is BirdWatcher free?

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

### Do GKWierden or BirdWatcher have ads?

Neither GKWierden nor BirdWatcher shows ads.

### Which is updated more often, GKWierden or BirdWatcher?

GKWierden ships an update every 6 weeks, and BirdWatcher weekly. Most recently, GKWierden was updated on September 20, 2026 and BirdWatcher on September 18, 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.*