The exam prep platform that gets you to pass
Realistic timed mock exams, AI-graded writing and speaking, video courses and five-minute daily drills — everything you need to walk into your English certification already knowing you'll pass.
Free forever tier · No credit card · Cancel anytime
Full mock exams for every major English certification
- ECCEB2
- ECPEC2
- B2 FirstB2
- C1 AdvancedC1
- C2 ProficiencyC2
- LRN B2B2
- LRN C2C2
Why students fail
The exam isn't hard. Walking in unprepared is.
Most candidates study grammar for months, then meet the real format — the timer, the one-play listening, the interview — for the first time on exam day. That's what certifyboost fixes.
Train under real conditions
Every mock mirrors the real exam: same sections, same timing, same scoring bands. Listening plays once. The speaking interview follows the real stage structure — surprise task included.
Get examiner-style feedback
Writing and speaking are the sections students can't self-check. Our AI marks them against criteria built for your exam and shows what to work on — in about a minute, not a week.
Show up every day
XP, streaks and five-minute daily boosters turn preparation into a habit. Consistency is what separates a pass from a near miss — we engineer it in.
Inside the app
See the product before you sign up
These aren't screenshots — they're the actual surfaces you'll use, from timed mocks to AI speaking interviews.
Listening · Part 1
Conversation 8 of 12 · plays once, like the real exam
Timed sections, real audio, instant scoring — the same pressure as exam day, minus the stakes.
Everything in one place
Five ways to prepare, one platform
Mock exams
Full-length, auto-scored simulations with pass/fail bands per certification and provisional-to-final result upgrades.
AI speaking
Scripted examiner interviews marked from the transcript against your exam's speaking rubric, plus a realtime Live Interview examiner you can talk to.
AI writing
A band out of 100 against your exam's published writing criteria, with a comment on each criterion and what to work on next.
Video courses
Short lessons with eight exercise types that only complete when your answer is fully correct — no multiple-choice guessing.
Daily practice
Five-question drills per topic, retry-until-correct, with fresh daily boosters that keep your streak alive.
Progress & readiness
XP, streaks and per-skill analytics that show exactly where you stand against the pass threshold.
How it works
From first login to pass day
Pick your target exam
Choose your certification and level. Your dashboard, recommendations and mock exams adapt to that goal.
Build the daily habit
Boosters, practice drills and course lessons feed your daily XP goal. Streaks keep you honest.
Sit mocks until you're ready
Take timed mock exams, get AI-graded writing and speaking, and watch your readiness cross the pass line.
Your work stays yours
Essays and speaking recordings are stored privately, payments are processed by Stripe, and your data is never sold or used to train third-party models. Read about security →
Pricing
Priced for an exam season, not a lifetime subscription
Start free. Upgrade for the months that matter — most students pick the 3-Month Exam Pass.
Monthly
€12.99/month · incl. VAT
Flexible month-to-month access. Cancel anytime.
- All mock exams, every certification
- AI writing feedback: 40 checks per month
- AI speaking grading: 20 gradings per month
- Every course chapter unlocked
- All practice topics, unlimited
- Readiness analytics
- Not included: Live Interview minutes (sold separately as packs)
3-Month Exam Pass
€29.99once · incl. VAT
Built for the cram window — one payment, full access for the three months before exam day. Never auto-renews.
- All mock exams, every certification
- AI writing feedback: 40 checks per month
- AI speaking grading: 20 gradings per month
- Every course chapter unlocked
- All practice topics, unlimited
- Readiness analytics
- Not included: Live Interview minutes (sold separately as packs)
Annual
€79/year · incl. VAT
For long-run learners climbing the CEFR ladder.
- All mock exams, every certification
- AI writing feedback: 40 checks per month
- AI speaking grading: 20 gradings per month
- Every course chapter unlocked
- All practice topics, unlimited
- Readiness analytics
- Not included: Live Interview minutes (sold separately as packs)
Schools
€60 / €150 / €300 per year + VAT · +€25 per student seat + VAT
License sized to your school plus a seat per student — every seated student gets full Premium, and teachers get the classroom portal.
Prices include VAT. Businesses with an EU VAT number from another EU country are reverse-charged at checkout.
Prices shown in EUR; you pay in your local currency. School licenses and seats are priced net, with VAT added at checkout.
Fair-use limits are the same on every Premium plan, the 3-Month Exam Pass included: 40 AI writing checks and 20 AI speaking gradings per month. Unused checks don't carry over. Live Interview minutes aren't included in any plan: they're one-time packs (€4.99 / €9.99 / €19.99, incl. VAT), and every account gets one free 5-minute taster.
FAQ
Common questions
Walk into exam day already sure you'll pass
Start free with a real mock exam, daily boosters, and the first chapter of every course. No credit card required.