Deepwords vs Merumi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Deepwords
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Build Your English Vocabulary Daily — with Deepwords! Deepwords is a smart, free vocabulary app designed to help you learn words in English and different languages with ease. Whether you’re starting from scratch or looking to expand your vocabulary, Deepwords makes it simple and effective. Practice and remember vocabulary flashcards daily through quick, interactive quizzes delivered right to your lock screen — perfect for anyone wanting to increase vocabulary without interrupting their day. Why Deepwords? 1. Vocabulary flashcard-style quizzes via push notifications — no need to open the app 2. Smart spaced repetition system to help you remember words long-term 3. Learn and switch between 12 different languages, including English 4. Clean, distraction-free interface focused on vocabulary building 5. Ideal for learners at all levels — beginner to advanced Supported Languages: English, Spanish, French, German, Italian, Portuguese, Russian, Chinese, Japanese, Korean, Arabic, Hindi Perfect for: • Learning and remembering English vocabulary • Daily practice with vocabulary flashcards • Using a modern vocabulary builder anytime • Exploring free vocabulary games for quick learning • Improving fluency and building daily vocabulary habits Download Deepwords today — a free vocabulary app that helps you learn English words, grow your language skills, and build your confidence one word at a time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Merumi
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Merumi turns the time you already spend on your phone into a language you actually speak. ONE LESSON A DAY, IN THREE STEPS Meet new words on flashcards. Prove you know them in a quiz. Then use them in a sentence you write yourself — and an AI tells you what to fix and why, not just whether you were right. Spaced repetition brings every word back just before you would have forgotten it. POINT YOUR CAMERA AT ANYTHING Don't know the word for it? Photograph it. Merumi names it, says it out loud, and files it in your dictionary. LEARN FROM THE VIDEOS YOU ALREADY WATCH Paste a TikTok, Reel or Short — or share it straight into Merumi. You get the transcript with a translation under every line, and you can tap any word to see what it means. Keep the ones worth keeping. PUT A WORD IN FRONT OF THE APPS YOU OPEN TOO OFTEN Entirely optional, and entirely yours to set. Choose the apps. When you open one, a word appears instead, and a short quiz gets you in. Turn it off whenever you like. Merumi never sees which apps you picked — iOS doesn't tell it. WHAT'S INSIDE • Spanish for English speakers, English for Russian speakers • 5,400+ Spanish and 9,800+ English words, graded A1 to C2 • IELTS mode: the complete Academic Word List, in frequency order • Pronunciation on every word • Your own dictionary, synced across your devices • A daily goal you set yourself, and a streak worth keeping MERUMI PREMIUM Merumi is a subscription. It unlocks the daily lesson, the AI sentence exercise, the word scanner, the video breakdown and the app blocker. • Annual — includes a 3-day free trial • Monthly Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours of the end of that period. You can manage or cancel your subscription in your Apple Account settings after purchase. Any unused part of a free trial is forfeited when you buy a subscription. Terms of Use: https://maty1ek.github.io/knigalock-terms/en Privacy Policy: https://maty1ek.github.io/kniga-lock-privacy/en
Screenshots
Verdict
The clearest difference is update cadence: Merumi at every 3 days against Deepwords's every 2 weeks. On price, ads, 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. Deepwords sells 2 in-app purchases, starting at $4.99 per month and Merumi sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
Deepwords ships an update every 2 weeks, Merumi every 3 days. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.
| Parameter | Deepwords | Merumi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 27 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Konstantin Shmykov | Galymzhan Zhakangerov |
In-app purchases
Deepwords
- Plus$4.991 Month
- Plus - Yearly$24.991 Year
Merumi
- Премиум (месячный)$9.991 Month
- KnigaLock Premium3 Days trial$12.991 Year









