LangPrep
AI-powered exam prep

Ace your language exam

Realistic practice tests, instant AI grading for your essays and speaking, and personalized feedback — all in one app.

Coming soon to iOS & Android.

500,000+
Learners
4.8★
Avg. App Store rating
10+
Exams covered
1,000,000+
Practice questions
30+
Countries

Figures are illustrative marketing estimates.

Exams we cover

Dedicated prep for the world's most popular language certifications — with more added regularly.

EN

IELTS

English

Academic & General Training — all four skills with band-scored practice.

EN

TOEFL iBT

English

Integrated reading, listening, speaking and writing tasks, fully timed.

DE

Goethe-Zertifikat / TestDaF

German

A1–C2 Goethe levels plus university-entry TestDaF preparation.

ES

DELE

Spanish

Instituto Cervantes diploma practice across every proficiency level.

FR

DELF / DALF

French

Official French diplomas, from A1 right through to mastery-level C2.

ZH

HSK

Chinese

HSK 1–6 vocabulary, reading and listening with character support.

JA

JLPT

Japanese

N5–N1 grammar, kanji and listening drills modeled on the real test.

EN

Cambridge C1/C2

English

Advanced (CAE) and Proficiency (CPE) practice with realistic timing.

EN

CELPIP

English

Canadian English proficiency prep for study and immigration goals.

Everything you need to score higher

Practice like the real exam, then get feedback that actually tells you how to improve.

AI grading for writing

Submit any essay and get rubric-based band scores, corrections and rewrite suggestions in seconds.

AI grading for speaking

Record your spoken answers and receive instant feedback on fluency, pronunciation and coherence.

Realistic practice tests

Full-length, timed mock exams that mirror the format, sections and difficulty of the real thing.

Instant rubric feedback

See exactly where you scored points and lost them, broken down by the official scoring criteria.

Progress tracking

Watch your predicted score climb over time and focus your study on your weakest skills.

Study on the go

Bite-sized lessons and offline-friendly drills so you can practice anytime, anywhere.

Loved by learners worldwide

Real outcomes, in their words.

★★★★★
"The AI feedback on my essays was scarily accurate. I went from a 6 to a 7.5 in IELTS writing in six weeks."
Mariana
Brazil
★★★★★
"Practicing speaking out loud and getting instant scores finally killed my exam nerves. Passed DELF B2!"
Lukas
Germany
★★★★★
"The mock tests feel exactly like the real JLPT. The progress tracker kept me motivated every single day."
Aiko
Japan

Start preparing today

Download LangPrep and turn your study time into real score gains, with feedback at every step.