Garten+ vs King Karl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Garten+
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An entire museum dedicated to horticulture - the only one of its kind in the whole of Germany. The building and the location of the German Horticultural Museum are also unique: a fortress complex in the former egapark horticultural show grounds on one of the city's two hills. But horticulture is worth being celebrated! Because for thousands of years, man has succeeded in securing food and producing a wide variety of products through the wise use of plants and soil. Exhibitions and workshops at the museum provide insights into the secrets of the garden and plant world. The app provides you with all necessary information about your visit, exhibitions, event rooms for hire and current events from the comfort of your own home. Once you are actually on-site, you can use the various adventure tours in the app to explore all the exhibition rooms and additional contents. Where do my vegetables come from and why are trees so important in cities? At the end of the exhibition tour, you can test your knowledge in a quiz. Highlight: For fortress fans, there is a separate tour of the Cyriaksburg.
King Karl
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Na nu, Großherzog Karl Friedrich lebt? Plötzlich steht er wieder auf dem Schlossplatz und muss feststellen: Es hat sich einiges verändert! Sein Schloss ist ein Museum und viel schlimmer: Er besitzt keinerlei Macht mehr! „So geht das nicht“, beschließt er. Mit deiner Hilfe möchte er nun seine Macht zurückerlangen. Sammle in verschiedenen Mini-Games mächtige Objekte aus dem Museum, damit Karl Friedrichs Macht wieder wächst. Entscheide selbst: Wird Karl Friedrich wieder Herrscher von Baden oder siegt die Demokratie? King Karl ist kostenfrei!
Screenshots
Verdict
The clearest difference is update cadence: Garten+ at monthly against King Karl's every 3 months. King Karl's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Garten+ ships an update monthly, King Karl every 3 months. The most recent releases landed on September 14, 2026 and May 22, 2026 respectively.
| Parameter | Garten+ | King Karl |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 118 MB | 206 MB |
| Age rating | 4+ | 4+ |
| Developer | Stiftung Deutsches Gartenbaumuseum | Badisches Landesmuseum |
In-app purchases
Garten+
No in-app purchases
King Karl
No in-app purchases





