Cambridge B2 First prep

Master the B2 First Exam

Practise all four papers with instant AI feedback. Track your Cambridge score and build confidence for exam day.

Try a real exam task — free, no sign-up

How It Works

Three simple steps to start improving your B2 First exam skills today.

1. Sign Up

Create your account in seconds. No credit card required. Try everything free for 14 days during our beta. Try Chapter 1 of 16 for free.

2. Start Practising

Choose from 16 exam-themed chapters — all open from day one. Start at the beginning or jump straight to your weakest area. No locked levels, no waiting.

3. Track Progress

View detailed analytics, scores, and improvement trends across all papers on your personal dashboard.

Everything You Need to Pass

Writing Coach

Submit an essay and get instant feedback on all 4 Cambridge criteria — so you know exactly what to improve before exam day.

Reading & Use of English

Practise all 7 parts with auto-generated papers — at exam pace, with full answer keys and explanations.

Listening

Train your ear with full 4-part listening exams — auto-generated audio with authentic voices, just like the real exam.

Speaking

Practice all 4 parts of the Speaking paper with AI-generated photos and prompts. Record your voice and get instant AI feedback on Grammar & Vocabulary, Discourse Management, Pronunciation, and Interactive Communication.

Voice Practice

Practice speaking with an AI coach anytime — build the fluency and confidence you need for the Speaking paper.

Dictionary

Look up B2-level words with clear definitions, examples, and pronunciation — and save them straight to your flashcards.

Vocabulary Builder

Build the B2-level vocabulary examiners expect, with spaced repetition that makes words stick.

Built with Intent

Every feature is aligned with the task style of the Cambridge B2 First exam, so you practise exactly what you'll face on exam day.

LeanFluency platform dashboard showing exam progress and scores

Simple Pricing

Start free. Upgrade when you're ready.

14-Day Free Trial

Try everything. No credit card required.

All 16 chapters unlocked
1 Reading & Use of English task per chapter
1 Listening task per chapter
1 Writing feedback per chapter
1 Speaking paper per chapter
10 minutes of Real-time Voice Practice (total, for the whole trial)
Vocabulary Builder & Dictionary — full access
No credit card required
Start Free Trial
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CHF 15 / month

Everything you need to pass.

All 16 chapters unlocked
Unlimited Reading & Use of English papers
Unlimited Listening papers
Daily writing feedback (up to 2 per day)
Weekly Speaking papers (up to 2 per week)
Weekly Real-time Voice Practice (10 min, renews every week)
Full progress tracking & analytics
B2 Dictionary & Vocabulary Builder
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Sample Task — Multiple-choice cloze
Live

Choose the word that best fits the gap.

Despite the heavy rain, the climbers _______ to finish the hike before sunset.

This is a live sample — the full guide has many more.

Free Resource
Interactive — try it free, no sign-up

B2 First Exam Guide

Our exam guide isn't just reading material — you can actually attempt real sample tasks (multiple-choice cloze, open cloze, and more) and get instant feedback, right in the guide. Free, in your browser, no sign-up required.

Reading & Use of English

7 parts explained

Writing

Essay and optional tasks

Listening

4 parts with strategies

Speaking

All 4 parts with tips

Frequently Asked Questions

Ready to Start Preparing?

Join LeanFluency and start practising for the B2 First exam with instant feedback.

Need help? Contact us via info@leanfluency.ch