Retain Cards: KI-Karteikarten
Retain Cards: KI-Karteikarten is a free iOS app in the Education category, published by Retain Labs GmbH. It was first released on 7 May 2025, 1 year ago. Its developer shipped 3 updates in the 90 days to 21 Oct 2026; the latest, version 3.0, came out on 15 Oct 2026.
Retain Cards: KI-Karteikarten reached #6 in the Top Free Education chart in Germany on 19 Sep 2026. In the last 30 days it was in the top 50 every day, with a best of #10 on 29 Sep 2026. It stood at #34 on 21 Oct 2026, down 3 places from a week earlier. On that day it appeared in the same chart in 40+ countries. In Germany it holds a 4.45 average across 10,400 ratings, 49 more than a week earlier. GameQuant records its ratings and store listing every day in 19 countries.
Charts checked every day · no missing days in the record
Latest data: · updated every morning
Retain Cards: KI-Karteikarten downloads and revenue in Germany · September 2026
Estimates for this country only, not worldwide
iPhone & iPad downloads
About the iPhone & iPad downloads estimate
Our estimate of App Store downloads of Retain Cards: KI-Karteikarten in Germany during September 2026.
We expect the real figure inside the full range about 8 times in 10, and inside the darker part, 9.9K–22K, about half the time.
The figure is for Germany only, not worldwide.
A model estimate, not a figure reported by Apple or the developer.
Germany only · Sep 2026
Most likely 9.9K–22K
iPhone & iPad revenue
Germany · Sep 2026
Retain Cards: KI-Karteikarten: Top Free · Education · Germany · last 30 days
1 = top of the chart · best rank recorded each day
Source: GameQuant, https://gamequant.io/app/ios/6745344282/retain-cards-ki-karteikarten
<iframe src="https://gamequant.io/embed/ios/6745344282?country=de&range=30" width="640" height="400" style="max-width:100%;border:0" loading="lazy" title="Retain Cards: KI-Karteikarten: rank chart by GameQuant"></iframe><br><small>Source: <a href="https://gamequant.io/app/ios/6745344282/retain-cards-ki-karteikarten">GameQuant</a></small>
<a href="https://gamequant.io/app/ios/6745344282/retain-cards-ki-karteikarten"><img src="https://gamequant.io/chart/ios/6745344282.png?country=de&range=30" width="600" height="450" alt="Retain Cards: KI-Karteikarten: rank in Top Free · Education, Germany, last 30 days"></a><br><small>Source: <a href="https://gamequant.io/app/ios/6745344282/retain-cards-ki-karteikarten">GameQuant</a></small>
Free to use in articles, reports and posts with this credit and a link to this page. Embed shows the live chart with a range switch; Image is a picture that updates daily.
Download chart (PNG)Rating distribution · Germany
share of all ratings · 21 Oct 2026
| 5 stars | 73% | |
|---|---|---|
| 4 stars | 14% | |
| 3 stars | 6% | |
| 2 stars | 2% | |
| 1 star | 6% |
Rank by country
Top Free · Education · best rank on 21 Oct 2026
| Country | Rank | 7-day change | Best, 90 days | Ratings |
|---|---|---|---|---|
| Germany |
34 | down 3 | 6 · 19 Sep | 10,400 |
 France |
56 | down 9 | 9 · 20 Aug | 3,790 |
 Spain |
93 | down 35 | 19 · 22 Aug | 117 |
+16 more countries, every chart and category, and the full history are in the licensed dataset.
Request dataRetain Cards: KI-Karteikarten downloads: common questions
Estimates · Germany only
How many downloads does Retain Cards: KI-Karteikarten get?
Our estimate: 7.4K–33K App Store downloads in Germany in September 2026, or 240–1.1K a day.
Model estimates for Germany only, not worldwide, and not figures reported by Apple or the developer.
Also in Education
All Education apps
Also popular in Germany
Rank in Germany on 21 Oct 2026
