# BIRDNEST vs KJF Chemnitz

BIRDNEST and KJF Chemnitz are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BIRDNEST | KJF Chemnitz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 84 MB | 83 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ralf Bohle GmbH](https://appshunter.io/developer/420390733) | [Kinder-, Jugend und Familienhilfe Chemnitz e.V](https://appshunter.io/developer/1684702591) |

## What reviewers say

### BIRDNEST

[App page](https://appshunter.io/ios/app/birdnest/id6446592849)

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

**In-app purchases:** none


### KJF Chemnitz

[App page](https://appshunter.io/ios/app/kjf-chemnitz/id6448448173)

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

**In-app purchases:** none


## Frequently asked questions

### Is BIRDNEST free?

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

### Is KJF Chemnitz free?

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

### Do BIRDNEST or KJF Chemnitz have ads?

Neither BIRDNEST nor KJF Chemnitz shows ads.

### Which is updated more often, BIRDNEST or KJF Chemnitz?

BIRDNEST ships an update fortnightly, and KJF Chemnitz fortnightly. Most recently, BIRDNEST was updated on October 27, 2026 and KJF Chemnitz on October 30, 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.*