ZumNum vs Klug
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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.
- Learn German numbers
- Listening comprehension exercises
- Typing practice
- Instant feedback
- Ad-free experience
- Offline functionality
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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 adsβjust 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.
Klug
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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
Verdict
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
Both are free to download. Klug sells 5 in-app purchases, starting at $4.99 per month. ZumNum asks for nothing beyond the download.
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.
| Parameter | ZumNum | Klug |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 2 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | Free | β |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.0 | 17.0 |
| Further details β not scored | ||
| Size | 132 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Reza Bina | can ozel |
In-app purchases
ZumNum
No in-app purchases
Klug
- Monthly Plan$4.991 Month
- Yearly Plan$29.991 Year
- 1000 Credits$2.99
- 4,000 Credits$9.99
- 10,000 Credits$19.99









