Comparison

German Grammar Drills vs PolyDigits

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

Head to head
About

German Grammar Drills

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Master German Grammar with Confidence—One Drill at a Time. Tired of guessing between der, die, and das? Hesitating over tricky adjective endings, or struggling to place verbs correctly at the end of a clause? German Grammar Drills turns complex rules into clear, intuitive habits. Designed for learners who want real results without wading through endless textbook jargon, this app helps you build instant pattern recognition and speaking confidence through fast, focused practice. WHY GERMAN GRAMMAR DRILLS WORKS Knowing a rule in theory isn't enough—you need to apply it without hesitation. Our practical, drill-focused system helps you transition from slow translation to automatic recall. By solving targeted exercises with instant feedback, you reinforce correct patterns and eliminate recurring mistakes once and for all. A COMPLETE STEP-BY-STEP LEARNING PATH Conquer 420 structured grammar units organized across Beginner (A1/A2), Intermediate (B1/B2), and Advanced (C1) levels: • Noun Gender & Articles: Master der, die, das, and plural forms effortlessly. • The 4 German Cases: Gain complete control over Nominative, Accusative, Dative, and Genitive. • Adjective Declensions: End confusion over weak, strong, and mixed adjective endings. • Verb Conjugation & Tenses: Master Present, Past (Präteritum & Perfekt), Future, and Subjunctive (Konjunktiv II). • Word Order & Clause Structure: Position main verbs, modal verbs, and subordinate clauses correctly every time. • Prepositions & Case Governance: Know exactly which case follows accusative, dative, and two-way prepositions. • Relative & Passive Clauses: Express complex ideas clearly with advanced sentence structures. 50 INTENSIVE DRILL MODULES (10,000+ EXERCISES) Take your practice deeper with 50 specialized drill modules featuring over 200 interactive questions each. • Instant Feedback: Learn instantly from every mistake with clear corrections. • High-Yield Repetition: Master rules through meaningful variations until recall becomes effortless. • Targeted Skill Building: Identify weak spots and reinforce difficult topics before moving forward. BUILT FOR YOUR DAILY ROUTINE • Short Daily Challenges: Stay consistent with 2-minute to 10-minute micro-sessions designed for busy schedules. • Visual Progress Tracking: Monitor your completion across all 420 units and pick up right where you left off. • 100% Offline Learning: Practice anywhere—on your commute, during travel, or between classes with zero internet required. • Distraction-Free UI: Focus entirely on learning with a clean, modern interface available in multiple languages. DESIGNED FOR REAL LEARNING GOALS Whether you are studying for work, travel, university, or personal growth, German Grammar Drills is your ideal study companion for: • Exam Preparation: Goethe-Zertifikat, TELC, TestDaF, and ÖSD (A1–C1). • Expats & Professionals: Build natural fluency for daily life in Germany, Austria, or Switzerland. • Self-Learners & Students: Reinforce course material, review tough topics, and turn grammar rules into fast, reliable habits. Stop overthinking your German. Download German Grammar Drills today and start practicing with clarity and confidence!

About

PolyDigits

Features
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PolyDigits — Master numbers in any language Numbers are the fastest way to feel confident in a language: prices, times, addresses, quantities. PolyDigits trains exactly that — with active drills instead of passive studying. Three ways to practice: • Listen/Drill: Hear a number → type it → check instantly. • Flash Mode: Reveal and listen when you’re ready. • Math: Train mental math and automate number fluency along the way. Why it works • Authentic pronunciation: Uses your iPhone’s native text-to-speech voice. • Focused & simple: No fluff — just training. • Progress you can see: Track what you’ve done each day. Completely free No ads. No locked features. If you want, you can buy me a coffee :) Private: no accounts, no data sharing (everything stays on-device).

Screenshots

German Grammar Drills4 screens
PolyDigits4 screens

Verdict

The call

The clearest difference is price: PolyDigits at Free against German Grammar Drills's $9.99. PolyDigits also leads on update cadence (every 5 days vs every 2 months). German Grammar Drills's advantage is in-app purchases (none vs 4) and iOS requirement (16.4 vs 26). On ads 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

CostPrice · In-app purchases · Ads · Monetization

PolyDigits is free to download; German Grammar Drills costs $9.99 up front. PolyDigits sells 4 in-app purchases, starting at $1.99 per month. German Grammar Drills asks for nothing beyond the download.

UpkeepUpdate frequency

German Grammar Drills ships an update every 2 months, PolyDigits every 5 days. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 2 level
German Grammar Drills versus PolyDigits: the parameters behind the verdict, then further details
ParameterGerman Grammar DrillsPolyDigits
Price$9.99Free — better
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better26
Further details — not scored
Size238 MB4 MB
Age rating4+4+
DeveloperSimTeCon GmbHDaniel Kwetschas

In-app purchases

None

German Grammar Drills

No in-app purchases

4 purchases

PolyDigits

Subscriptions1
  • Coffee Subscription$1.991 Month
One-time3
  • Small Coffee$2.99
  • Medium Coffee$3.99
  • Large Coffee$5.99

Questions

Is German Grammar Drills free?
German Grammar Drills costs $9.99, with no in-app purchases.
Is PolyDigits free?
PolyDigits is free to download, with in-app purchases available.
Do German Grammar Drills or PolyDigits have ads?
Neither German Grammar Drills nor PolyDigits shows ads.
Which is updated more often, German Grammar Drills or PolyDigits?
German Grammar Drills ships an update every 2 months, and PolyDigits every 5 days. Most recently, German Grammar Drills was updated on October 13, 2026 and PolyDigits on October 6, 2026.

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