Decks! vs KnockQuiz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decks!
This application helps you memorize foreign words using a scientifically proven algorithm. Add your own words and learn translations through interactive feedback, which adjusts repetition intervals for optimal recall.
- Foreign word memorization
- Ebbinghaus algorithm
- Custom word lists
- Spaced repetition learning
- Interactive feedback
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Decks! is a program for memorizing foreign words. This app can improve your vocabulary boosting learning of any language through an incredibly clever algorithm. This algorithm was created by the German experimental psychologist Hermann Ebbinghaus. You can add any word and start learning trying to remember the translation. By pressing the buttons "Excellent", "Good" and "Again" you give information about the quality of knowledge to the algorithm, which will add or decrease time for reminding the repetition.
KnockQuiz
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A tiny start, a lasting habit. Learn Korean and earn rewards with KnockQuiz in just 2 minutes a day! If you love K-POP or K-Drama, your perfect Korean-learning app is here. [What you can do with KnockQuiz] "Study Korean for free" - Learn useful phrases you can use in real life. - Enjoy K‑POP, K‑Drama, and K‑Content even more by learning useful Korean phrases stey by step. "Earn rewards while learning Korean" - Play fun KnockQuizzes and collect coins. - Quizzes make learning Korean exciting and rewarding. "Earn rewards every time you learn a new word" - Keep reviewing words that appear whenever you use your phone. - All lessons follow a personalized curriculum made with AI analysis. "Redeem what you earn (coming soon)" [About KnockQuiz] KnockQuiz started in Korea 3 years ago to help people build a daily habit of learning English. Over 1.3 million users in Korea are learning English with us. Compared to other learning apps, our users study 3.7x more! f you’re interested in Korea, K-Culture, or K-POP and want to learn Korean but didn’t know how to start, try KnockQuiz. Quizzes make learning easier, and you’ll keep reviewing words throughout the day—and you can even earn money! KnockQuiz — Earn while you Learn!
Screenshots
Verdict
The clearest difference is ads: Decks! at none against KnockQuiz's shown. Decks! also leads on iOS requirement (10.0 vs 17.0). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Decks! | KnockQuiz |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Weekly | — |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 142 MB |
| Age rating | 4+ | 4+ |
| Developer | Nikolai Afansiev | Triggers Inc. |
In-app purchases
Decks!
No in-app purchases
KnockQuiz
No in-app purchases









