Decks! vs Vocabla
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.
Vocabla
Master a new language with a smart vocabulary builder that uses real sentences and spaced repetition. Focus on the most useful words with five exercise types and daily writing practice. Unlock dialogues as you progress in a calm, ad-free environment.
- Learn words in real sentences
- Frequency-first word learning
- Spaced repetition system
- Five exercise types
- Milestone dialogues
- Daily writing practice
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Master a new language — one word at a time. The smartest vocabulary builder is here. Vocabla is a calm, ad-free way to actually build a vocabulary that sticks — in Spanish, French, Italian, Russian, German, or English. Meet each new word inside a real sentence, then let spaced repetition bring it back exactly when you're about to forget it. Ten focused minutes, a real finish line, no streak anxiety. WHY LEARNERS CHOOSE VOCABLA • Real sentences, not bare flashcards — you learn meaning, spelling, and usage at once • Frequency-first — you learn the most useful words before the rare ones (CEFR A1–C2) • Spaced repetition that schedules itself — hard words return sooner, mastered words later • Five exercise types so every word is approached from a new angle • Milestone dialogues — every 20 mastered words unlock a short spoken dialogue • Daily writing practice with thoughtful corrections • Calm by design — no ads, no manufactured urgency, no endless feed HOW IT WORKS 1. Pick the language you speak and the one you're learning; take a quick placement. 2. Practise a short, finite session a day. 3. Master words, unlock dialogues, watch your progress fill in. Free to start with daily lessons. An optional upgrade unlocks unlimited practice. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://vocabla.app/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Decks! at none against Vocabla's 1. Decks! also leads on iOS requirement (10.0 vs 17.0). On price, update cadence, 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
Both are free to download. Vocabla sells 1 in-app purchase, starting at $3.99 per month. Decks! asks for nothing beyond the download.
Decks! ships an update weekly, Vocabla every 6 days. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.
| Parameter | Decks! | Vocabla |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 21 MB |
| Age rating | 4+ | 12+ |
| Developer | Nikolai Afansiev | Alexander Zakharov |
In-app purchases
Decks!
No in-app purchases
Vocabla
- Vocabla Pro$3.991 Month









