Comparison

KasusKnacker vs ASSG

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KasusKnacker

Master German grammar with targeted exercises focusing on cases, prepositions, verbs, and vocabulary. Build intuition and muscle memory through deliberate practice, with gamified progress and smart review features. Ideal for intermediate to advanced learners seeking to refine their skills.

Highlights
  • Targeted case training
  • Preposition and pronoun practice
  • Verb conjugator and practice
  • Vocabulary flashcards
  • Article and adjective ending mastery
  • Gamified progress tracking
  • Smart review of mistakes
Features
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Master German Grammar through Practice! Struggling with German grammar mechanics? From Der, Die, Das and Cases to Prepositions, Possessives and Verbs, KasusKnacker is your dedicated training ground for mastering the hardest parts of the German language. We focus on deliberate practice: targeted exercises with instant feedback and clear explanations that build your grammatical intuition and muscle memory. Why KasusKnacker? - 100% Ad-Free: Enjoy a distraction-free learning environment. - Fair Freemium: Practice daily for free or upgrade for unlimited access. - Exam Training: Grammar tracks from A1 to C1 with telc-style gap texts, word-bank tasks, error spotting and sentence rewrites. A timed readiness test shows which topics still need work. Useful when you're preparing for Goethe-Zertifikat, telc, DTZ or TestDaF. - Schreibcheck & Schreibtraining: Paste your own German text and get corrections with an explanation for every edit. Then train on your own mistakes: repair your sentences and write a daily task matched to them. - Targeted Case Training: Drill deep into dem, den, des, and der until it becomes second nature. - Prepositions & Pronouns: Know exactly which case to use with every preposition. - Possessives Mastery: Practice mein, dein, sein etc. across all cases. - Verb Conjugator & Practice: Look up conjugations and practice verbs until they are automatic. - Vocabulary Flashcards: Practice your German vocabulary with our new flashcard system. - Phrases & Idioms: Learn common German phrases and idioms with flashcards. - Article Mastery: Stop guessing genders. Practice Articles until they stick. - Adjective Endings: Master the logic behind adjective declensions for every case. - Phrasebook: 260+ real-life German phrases with audio across 15 everyday topics — doctor visits, banking, housing and more. - Stories: Short, illustrated German stories with audio, dictation and comprehension questions — read and listen at your level. - Dialogues: Everyday German conversations between two speakers — at the doctor, the bakery, the Bürgeramt, a job interview — with the text highlighted line by line as it plays, and comprehension questions afterwards. - Placement Test: Not sure where to start? Answer a handful of questions and get a recommended level. - Streak Freezes & Reminders: Miss a day without losing your streak, and get a daily practice reminder at a time you choose. - Mini-Games: Hangman, Falling Words, Sentence Scramble and a grammar RPG battle. - From A1 to C2: 20,000+ exercises in hundreds of themed lessons, from your first articles to advanced grammar. - Gamified Progress: Earn XP, build daily streaks, and compete on leaderboards. - Daily Challenge: Compete daily, keep your streak alive, and see how you stack up. - Study Groups: Create private groups, share a join code, assign lessons, and compete on a shared weekly leaderboard. Only the creator needs Premium. - Smart Review & Bookmarks: Save difficult exercises, revisit them later, and review mistakes when they are due. Whether you're prepping for an exam or just want to speak without pausing to think about case endings or prepositions, KasusKnacker gives you the reps you need. Download now and start cracking German grammar today! KasusKnacker is an independent grammar-practice app. It is not an exam provider or testing centre, and it is not affiliated with, authorized by, sponsored by or endorsed by Goethe-Institut e.V., telc gGmbH, the Federal Office for Migration and Refugees (BAMF) or g.a.s.t. e.V. Goethe-Zertifikat, telc, Deutsch-Test für Zuwanderer (DTZ) and TestDaF are trademarks of their respective owners. KasusKnacker provides focused grammar review, not complete exam preparation. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ASSG

Features
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The official app for the Arab Science Symposium in Germany (ASSG), organized by DSFG e.V. Browse the full programme, look up speakers and the organising committee, build a personal schedule, and receive announcements from the organisers as they happen. WHAT YOU CAN DO - Browse the two-day programme by day, track or room - Read session abstracts and see who is presenting - Save sessions to your own schedule and get a reminder before each one - Look up speakers, the organising and scientific committees, and moderators - Receive announcements about room changes, timing and anything else the organisers need to tell you - Find the venue, travel information, WiFi details and the code of conduct - Meet other participants who have chosen to appear in the participant list NO ACCOUNT NEEDED The programme, speakers, announcements and venue information are all available without signing in. An account is only needed if you want to create a profile or see other participants. WORKS WITHOUT A SIGNAL The programme, speakers and your saved sessions are stored on your device, so they are readable even when the conference WiFi is not. PRIVACY Your data is held by Deutsch-Syrische Forschungsstiftung e.V. on its own server in Germany. You are not visible to other participants unless you choose to be. There is no advertising and no tracking. ABOUT ASSG The Arab Science Symposium in Germany brings together scholars, professionals and scientists to explore how the sciences, engineering, humanities and innovation can address today's global challenges. It is an initiative of the Deutsch-Syrische Forschungsstiftung e.V.

Screenshots

KasusKnacker4 screens
ASSG4 screens

Verdict

The call

The clearest difference is in-app purchases: ASSG at none against KasusKnacker's 4. KasusKnacker's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. KasusKnacker sells 4 in-app purchases, starting at $3.99 per month. ASSG asks for nothing beyond the download.

UpkeepUpdate frequency

KasusKnacker ships an update weekly, ASSG fortnightly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
KasusKnacker versus ASSG: the parameters behind the verdict, then further details
ParameterKasusKnackerASSG
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size61 MB45 MB
Age rating4+4+
DeveloperToba UG (Haftungsbeschränkt)DSFG e.V.

In-app purchases

4 purchases

KasusKnacker

Subscriptions4
  • Monthly (2025 plan)$3.991 Month
  • Premium Monthly$3.991 Month
  • Yearly (2025 plan)$29.991 Year
Show 1 more
  • Premium Yearly$29.991 Year
None

ASSG

No in-app purchases

Questions

Is KasusKnacker free?
KasusKnacker is free to download, with in-app purchases available.
Is ASSG free?
ASSG is free to download, with no in-app purchases.
Do KasusKnacker or ASSG have ads?
Neither KasusKnacker nor ASSG shows ads.
Which is updated more often, KasusKnacker or ASSG?
KasusKnacker ships an update weekly, and ASSG fortnightly. Most recently, KasusKnacker was updated on November 9, 2026 and ASSG on October 31, 2026.

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