WordRem AI vs LangChill
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WordRem AI
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Speak a new language from day one, with Lupa, a friendly AI tutor who actually talks with you. WordRem AI is a voice-first language tutor that writes every lesson into your own notebook. Hold the button, say it out loud, and get instant, kind feedback, just like a real lesson with a great teacher. REAL CONVERSATIONS, NOT QUIZZES • Short voice lessons built around real-life moments: meeting people, cafés, airports, work • Every line you need appears as a card with its translation and audio • Make each phrase your own: your tutor teaches new words and asks about your life • Finish with a roleplay where the tutor plays the other person A PLAN THAT GROWS WITH YOU • A step-by-step speaking plan, from your first hello to handling the airport • Pick up exactly where you left off, every time TALK ABOUT ANYTHING • Free chat with your assistant: roleplay, new phrases, a quick question or just your day • Don't like a question? Skip it or change the topic anytime YOUR SPEAKING NOTEBOOK • Every conversation becomes a dated page you can flip through later • Tap any word on a page to mark it; it joins your reviews with its meaning • Each lesson ends with a stamp and the new phrases you learned, with audio REMEMBER WHAT YOU LEARN • Phrases you practice come back in smart reviews right before you'd forget them • Save favorite lines to your own notebooks MADE FOR YOUR LEVEL • Choose your level from A1 to C1 and how fast Lupa speaks • Corrections only where they matter, translations whenever you want them 8 LANGUAGES Spanish, English, German, French, Italian, Russian, Chinese and Turkish. Add a new language with a one-minute voice setup and keep separate progress for each. WordRem AI Pro unlocks the full speaking plan and generous monthly speaking time. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in your App Store account settings. The voice tutor is powered by AI from Google (Gemini) and OpenAI. Your voice is sent to them through our server only while you hold the talk button, and we don't store recordings. Privacy: https://api.wordremai.app/privacy Terms: https://api.wordremai.app/terms
LangChill
This app uses spaced repetition to help you learn and remember new words efficiently. It breaks down learning into manageable steps, allowing you to master vocabulary with minimal study time. You can also ask questions and read short stories to expand your language skills.
- Spaced repetition learning system
- Learn word meanings and usage
- Progress tracking through levels
- AI-powered question answering
- Read short stories for context
- Vocabulary expansion
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Minimize your study time and effort! Words will just stick with LangChill. Learn 1K words in 36 hours of study time. # Remembering words is easy with LangChill Simply mark cards right or wrong. Right cards move through increasing intervals. Wrong cards show again until marked right (no change). Your efforts yield results without being wasted. LangChill works the way your brain does to store and retrieve long-term memory. Words naturally stick with minimal study time. # Learn any word Learn what any word means with LangChill. You will learn not only its various meanings, but also the root parts to help you remember it, and the right and wrong usages of the word so you can use it confidently. # Straightforward levels Words move through twelve levels of increasing time (initial level not shown). Short-Term 20 minutes / 1 hour / 6 hours Long-Term 1 / 3 / 7 / 14 / 30 / 45 / 90 / 180 days You will always know when cards will show again. # Scientifically backed Spaced repetition is a highly-effective, proven method of long-term learning. It is backed up by multiple studies, with two key results being: (1) Spacing out recall significantly increases long-term recall (2) Testing Effect: Repeatedly retrieving knowledge substantially increases retention. # Most results, least time Remembering many words takes less time than you might think. At ten seconds per review, with twelve stages for a word, it takes two minutes of review to learn each word (10 sec. * 12 reviews = 120 sec.). Then, reviewing 1000 words takes 2000 minutes. Adding a small buffer for mistakes, that is 36 hours of study time. # Ask, read short stories Ask anything you need to know. The difference between similar words, how to pronounce words, or to check grammar or spelling. Read short stories in any language. You can choose the topic if you want. Learn relevant, interesting words on things that interest you! # Expand your ability Your language ability doesn't have to stay the same. You can expand your ability without soul-crushing study sessions. You will soon be surprised at how much you can understand. Start expanding your language ability now!
Screenshots
Verdict
The clearest difference is in-app purchases: WordRem AI at none against LangChill's 6. WordRem AI also leads on ads (none vs shown). On price, device support and iOS requirement 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. LangChill sells 6 one-off in-app purchases. WordRem AI asks for nothing beyond the download.
| Parameter | WordRem AI | LangChill |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 18 months | — |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Ahmet Gokturk KURT | LangChill, LLC |
In-app purchases
WordRem AI
No in-app purchases
LangChill
- Add Credits X5$4.99
- Add Credits X10$9.99
- Add Credits X20$19.99
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- Premium App$48.00
- Add Credits X50$49.99
- Add Credits X100$99.99









