KasusKnacker: German Grammar

Toba UG (Haftungsbeschränkt) · iOS

KasusKnacker: German Grammar

Explore the ad evidence, study the storefront, and build your next acquisition hypothesis.

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01 / Creative research

Turn the unknowns into a research plan.

01

Check the acquisition promise

Read the store headline, screenshots and description. What problem is the app promising to solve?

Study the storefront
02

Look for ad evidence

Explore apps with direct store-link matches. Compare their hooks and formats without assuming the same approach works here.

Browse observed advertisers
03

Separate demand from paid growth

Store rankings and revenue estimates describe market context. They do not establish ad spend, conversions or ROAS.

Review the market context

02 / Storefront & product

Where the click lands.

Study the product story and store experience behind the acquisition funnel.

Screenshots

KasusKnacker: German Grammar screenshot 1KasusKnacker: German Grammar screenshot 2KasusKnacker: German Grammar screenshot 3KasusKnacker: German Grammar screenshot 4KasusKnacker: German Grammar screenshot 5KasusKnacker: German Grammar screenshot 6KasusKnacker: German Grammar screenshot 7KasusKnacker: German Grammar screenshot 8

03 / Market context

The business behind the app.

Keep revenue, downloads and store rankings separate from advertising performance.

How Much Does KasusKnacker: German Grammar Make?

Monthly Revenue
$1.0K
Annualized estimate
$12.0K
Per Download
$1.00

Platform Performance

🍎iOS
Revenue
$1.0K
Downloads
1.0K
Rating
5.0 (6)

Rating Distribution

5.0
★★★★★
6 reviews
5
0%
4
0%
3
0%
2
0%
1
100%

Top Countries

🇩🇪 DE🇦🇹 AT🇨🇭 CH
Reviews (1)
★★★★★Hoppiest6/10/2026
Developer is crazy responsive

App reviews are not a thing i do but this one is worth it. This app fills a serious gap in budget German learning tools with real explanations and opportunities to drill a lot of the complicated concepts other apps skip past or can’t handle. This app is currently very reading-centered in its instruction and practice (vs speaking or listening like most other apps) which is especially helpful for academic learners looking to move quickly to advanced grammar while focusing tightly on reading skills But what inspired my review was the response to in-app feedback I submitted. I sent in some comments on some weak points on the flash cards. When I logged in a day or two later I had a message from the developer saying they were rolling out new features to address my concerns within the next one to two days! And those changes are already live with this version update. And demonstrating that responsiveness wasn’t a fluke, I found and reported a bug yesterday and had a new notification today with a personal thank you. Even for a new app this seems exceptional in my experience. I’m quite pleased at how handy the app is already and delighted to find a developer that’s so invested in the practical usefulness and usability of their product.

Version History (35)
1.115.09/2/2026
1.113.08/27/2026
1.111.08/21/2026
1.109.08/20/2026
1.108.08/7/2026
1.107.07/31/2026
1.105.07/22/2026
1.104.07/17/2026
1.101.17/15/2026
1.101.07/11/2026
Available In (111 Countries)
🇺🇸 United States🇦🇺 Australia🇨🇦 Canada🇨🇳 China🇫🇷 France🇩🇪 Germany🇬🇧 United Kingdom🇮🇹 Italy🇯🇵 Japan🇰🇷 South Korea🇷🇺 Russia🇩🇿 DZ🇦🇴 AO🇦🇷 Argentina🇦🇹 Austria🇦🇿 AZ🇧🇭 BH🇧🇾 BY🇧🇪 Belgium🇧🇷 Brazil🇧🇬 Bulgaria🇨🇱 Chile🇨🇴 Colombia🇨🇷 CR🇭🇷 Croatia🇨🇾 CY🇨🇿 Czech Republic🇩🇰 Denmark🇩🇴 DO🇪🇨 EC🇪🇬 Egypt🇸🇻 SV🇫🇮 Finland🇬🇭 GH🇬🇷 Greece🇬🇹 GT🇭🇰 Hong Kong🇭🇺 Hungary🇮🇳 India🇮🇩 Indonesia🇮🇪 Ireland🇮🇱 Israel🇰🇿 KZ🇰🇪 Kenya🇰🇼 KW🇱🇧 LB🇱🇹 Lithuania🇱🇺 LU🇲🇴 MO🇲🇾 Malaysia🇲🇹 MT🇲🇽 Mexico🇳🇱 Netherlands🇳🇿 New Zealand🇳🇬 Nigeria🇳🇴 Norway🇴🇲 OM🇵🇰 Pakistan🇵🇦 PA🇵🇪 Peru🇵🇭 Philippines🇵🇱 Poland🇵🇹 Portugal🇶🇦 QA🇷🇴 Romania🇸🇦 Saudi Arabia🇷🇸 RS🇸🇬 Singapore🇸🇰 Slovakia🇸🇮 Slovenia🇿🇦 South Africa🇪🇸 Spain🇱🇰 LK🇸🇪 Sweden🇨🇭 Switzerland🇹🇼 Taiwan🇹🇭 Thailand🇹🇳 TN🇹🇷 Turkey🇺🇦 Ukraine🇦🇪 UAE🇺🇾 UY🇺🇿 UZ🇻🇪 VE🇻🇳 Vietnam🇧🇴 BO🇰🇭 KH🇪🇪 Estonia🇱🇻 Latvia🇳🇮 NI🇵🇾 PY🇬🇪 GE🇮🇶 IQ🇱🇾 LY🇲🇦 MA🇲🇿 MZ🇲🇲 MM🇾🇪 YE🇧🇯 BJ🇧🇫 BF🇨🇲 CM🇨🇬 CG🇨🇮 CI🇯🇴 JO🇱🇦 LA🇲🇱 ML🇸🇳 SN🇹🇿 TZ🇺🇬 UG🇿🇲 ZM🇿🇼 ZW
Supported Languages (10)
ArabicEnglishFrenchGermanItalianPolishPortugueseSpanishTurkishUkrainian
App Details

Master German Grammar through Practice! Struggling with German grammar mechanics? From Der, Die, Das and Cases to Prepositions, Possessives and Verbs...

iOS App ID
6757100358
Content Rating
4+
Min OS
15.0
Size
64.2 MB
In-App Purchases
Yes
Publisher
Toba UG (Haftungsbeschränkt)

In-App Purchases (2)

NamePriceType
Monthly$2.99Monthly
Yearly$22.99Yearly