Comparison

ZumNum vs Klug

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

Head to head
About

ZumNum

Master German numbers through listening and typing exercises. This ad-free app offers focused practice for expats, students, or any curious learner. Enjoy a clean design and offline functionality for convenient learning anywhere.

Highlights
  • Learn German numbers
  • Listening comprehension exercises
  • Typing practice
  • Instant feedback
  • Ad-free experience
  • Offline functionality
Read full description

Learn German Numbers with Ease Whether you're an expat, a student, or just a curious learner, this app is your go-to tool for mastering German numbers through listening. How it works: Listen to the number, type what you heard, and get instant feedback. No distractions, no adsβ€”just focused practice to build your comprehension. Why you'll love it: β€’ Ad-free experience for uninterrupted learning β€’ Works offline, so you can practice anywhere β€’ Clean and friendly design with a calming blue look β€’ Created by two passionate language learners β€’ Built with simplicity and speed in mind This is our first version, created as a passion project. We would love your feedback to help shape what's next. Try it out and tell us what you think.

About

Klug

Features
Read full description

KLUG - YOUR AI-POWERED GERMAN TUTOR Learn German the smart way. All lessons, vocabulary, grammar explanations, and exercises are completely free - no subscription needed for the core curriculum. What makes Klug different? Two AI assistants designed to replicate the benefits of a private tutor, ready 24/7. - AI TEACHER - Ask anything about German - grammar rules, word meanings, cultural context, why one phrase works and another doesn't. Your AI teacher knows your progress, remembers what you've struggled with, and adapts explanations to your level. - AI SPEAKING BUDDY - Practice real conversations on any topic - ordering coffee, job interviews, weekend plans, philosophy. Speak naturally, get instant feedback, and build the confidence to speak German in the real world. - A COMPLETE CEFR-ALIGNED CURRICULUM - * 260+ lessons covering A1 (beginner) to B2 (upper-intermediate) * Structured learning path: greetings, daily life, work, travel, and complex discussions * Vocabulary cards with native audio pronunciation * Grammar explanations with worked examples * Dialogue practice and reading passages * Exercises after every lesson - SMART REVIEW SYSTEM - Spaced repetition keeps vocabulary in your memory long-term. Klug tracks what you know and reminds you exactly when you're about to forget - no wasted time on words you've mastered. - DESIGNED FOR REAL PROGRESS - * Personal notebook for vocabulary and notes * Offline access for all core lessons * Daily goal tracking * No account required - start learning in seconds * Privacy-first design - HONEST PRICING - All lessons, vocabulary, grammar, and exercises are free forever. AI Teacher and AI Speaking Buddy conversations consume credits. You get free credits to start, and can buy more or subscribe ($4.99/month or $29.99/year) for unlimited AI conversations. Whether you're preparing for a Goethe exam, planning a trip to Berlin, or just love German culture - Klug is your patient, always-available tutor. TERMS OF USE (EULA): https://klug-app.web.app/eula

Screenshots

ZumNum4 screens
Klug4 screens

Verdict

The call

The clearest difference is in-app purchases: ZumNum at none against Klug's 5. Klug's advantage is update cadence (every 2 days vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Klug sells 5 in-app purchases, starting at $4.99 per month. ZumNum asks for nothing beyond the download.

UpkeepUpdate frequency

ZumNum ships an update every 12 months, Klug every 2 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard2 real differences Β· 5 level
ZumNum versus Klug: the parameters behind the verdict, then further details
ParameterZumNumKlug
PriceFreeFree
Update frequencyEvery 12 monthsEvery 2 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhoneiPhone, iPad β€” better
Requires iOS17.017.0
Further details β€” not scored
Size132 MB19 MB
Age rating4+4+
DeveloperReza Binacan ozel

In-app purchases

None

ZumNum

No in-app purchases

5 purchases

Klug

Subscriptions2
  • Monthly Plan$4.991 Month
  • Yearly Plan$29.991 Year
One-time3
  • 1000 Credits$2.99
  • 4,000 Credits$9.99
  • 10,000 Credits$19.99

Questions

Is ZumNum free?
ZumNum is free to download, with no in-app purchases.
Is Klug free?
Klug is free to download, with in-app purchases available.
Do ZumNum or Klug have ads?
Neither ZumNum nor Klug shows ads.
Which is updated more often, ZumNum or Klug?
ZumNum ships an update every 12 months, and Klug every 2 days. Most recently, ZumNum was updated on October 30, 2026 and Klug on November 5, 2026.

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