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Words import (AI supported). Word sets sharing. Words and Grammar training. Leaderboard and 50+ achievements.

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MG24🇹🇷⭐∞🏆🔔☀️⚙️

Weekly Activity

Daily Goal

71%

141 / 200 XP

🔥 314

Day streak

⭐ 42,060

Review

Learning (7)

Graduated (197)

Learn New

Learned325

In Progress19

Total Words346

HomeWordsSetsPracticeGrammar

✕Word → Translation

2/5

🚩

düşmek

/dyʃˈmek/

🔊

Choose the correct translation

1. to fall

2. to wake up

3. history

4. mouth

Don't know

✕Şimdiki Zaman📖

1/3

✨ AI🚩

Choose the correct form:

Ben okula ___.

🌐

Tap any word to see how it is built.

1. gidiyor

2. gidiyormuş

3. gidiyorum

4. gidiyorsun

❓ Hint

Start learning free

English

from native languages

Spanish (Mexico)SpanishPortugueseRussianGermanTurkishFrenchItalianJapaneseKoreanPolishDutchGreekCzechSwedishHungarianRomanianDanishFinnishNorwegianBulgarianCroatianSerbianSlovakSlovenianLithuanianLatvianEstonian

also available

Turkish

from native languages

EnglishGermanRussianFrenchDutchBulgarianRomanianGreek

3,000+

Words per study language

A1–C2

Grammar by level

50+

Achievements

FSRS

Spaced repetition

How it works

Three steps to fluency. No friction, no confusion.

Pick your pair

Select your native language and choose your target language. New pairs ship continuously.

Train daily

Complete vocabulary drills, grammar exercises, and listening tasks calibrated to your exact level.

Track & compete

Watch your XP grow, maintain streaks, unlock achievements, and climb the leaderboard with friends.

Built for real learners

Every feature is grounded in cognitive science and designed for daily use.

Language Pairs

Every pair ships with 80+ Word sets, grammar A1–C2, and explanations in your native language. New pairs are added continuously — the live list is above.

Word Import

Bulk import custom word lists from files to build personalized vocabulary sets. Available on any paid plan.

FSRS Algorithm

Free Spaced Repetition Scheduler reviews words at the exact moment you are about to forget. Scientifically proven for long-term retention.

Grammar & AI

Interactive grammar cards, writing exercises, listening training, and word assembly — all powered by AI and contextual examples.

Gamified Progress

XP, daily streaks, leaderboards, achievements, and competitive leagues turn language learning into an engaging daily habit.

Flexible Plans

Start free with ads. Go Pro for more languages and expanded word limits, or Max for the most language pairs and the highest limits. Word import is available on any paid plan.

Roadmap

Two parallel tracks — product and infrastructure — moving forward together.

Product

Any language from any language — expand target languages beyond English and Turkish to German, French, Spanish, Italian, Brazilian Portuguese, and more
Premium expanded features — enhanced limits and AI credits

Infrastructure

Initial markets — Europe and South America launch with primary infrastructure in Germany (Netcup) and Russia (Serverspace)
Regional servers — Middle East, India, and Asia for data localization where required by law
300+ Cloudflare edge PoPs — low-latency vocabulary and grammar training worldwide via edge caching and compute; personal data remains in primary databases
Global vocabulary & grammar training — parallel roadmap to deliver training through 300+ datacenters with a sustainable financial model

AI-assisted learning content

Parts of AtoC.ai's grammar exercises, rules, and word details are generated by AI and clearly labeled with an "AI" badge in the app. Found a mistake? Use the in-app report button — our team reviews every report.

The AtoC™ trademark is currently pending registration. Features, terms, and availability are subject to change.