Question 1

How does pricing work?

Accepted Answer

Haffenville has two tiers. The Free tier gives you all grammar, vocabulary, reading, and listening games at every CEFR level (A1–C1) at no cost, with or without an account. A paid Pro subscription unlocks AI Speaking Practice and AI Writing Evaluation.

Question 2

Do I need to create an account?

Accepted Answer

You can use all free exercises without an account. Creating an account lets you save your progress across devices. A paid Pro subscription is required for AI Speaking Practice and AI Writing Evaluation.

Question 3

What levels are available?

Accepted Answer

We offer exercises for CEFR levels A1 (Beginner) through C1 (Advanced). Use the placement test if you are unsure which level to start with.

Question 4

What is the placement test?

Accepted Answer

The placement test is a short quiz that estimates your English level. It takes about 10 minutes and recommends a starting level based on your answers.

Question 5

What types of exercises are available?

Accepted Answer

Multiple choice, drag and drop, fill in the blank (typing), cloze passages, error correction, sentence building, reading comprehension, and listening comprehension.

Question 6

What are the three stages in each topic?

Accepted Answer

Many topics have three progressive stages: Stage 1 focuses on recognition (multiple choice), Stage 2 on recall (typing answers), and Stage 3 on production (building sentences or passages). This progression helps move knowledge from passive recognition to active use.

Question 7

What is AI Speaking Practice?

Accepted Answer

AI Speaking Practice (Pro) lets you have a real-time spoken conversation with an AI tutor at your CEFR level. After each session you receive feedback on fluency, grammar, vocabulary use, and self-corrections. Your voice is streamed to Google's Gemini API; we do not store audio or full transcripts on our servers.

Question 8

What is AI Writing Evaluation?

Accepted Answer

AI Writing Evaluation (Pro) lets you submit short writing responses—messages, emails, paragraphs, or journal entries—and receive structured feedback on grammar, vocabulary, structure, and how well you addressed the task. Your submission is sent to Google's Gemini API and is not stored on our servers.

Question 9

Is my progress saved?

Accepted Answer

If you use the platform without an account, your progress is saved in your browser (local storage). If you clear your browser data, progress will be lost. Creating an account saves your progress to our servers, so it persists across devices.

Question 10

Can teachers use this with their classes?

Accepted Answer

Yes. Teachers can create an account, build assignments from available exercises, and share a class code with students. Student progress is tracked in the teacher dashboard.

Question 11

How do students join a class?

Accepted Answer

Students enter the class code provided by their teacher on the homepage or the join page. No student account is required—they just enter their name to start.

Question 12

What devices and browsers are supported?

Accepted Answer

The platform works in modern web browsers (Chrome, Firefox, Safari, Edge) on desktop, tablet, and mobile devices.

Question 13

Is there audio for listening practice?

Accepted Answer

Yes. Listening exercises include audio playback. Some exercises also have optional text-to-speech for vocabulary pronunciation.

Question 14

How is the listening audio created?

Accepted Answer

Audio materials on this platform are generated using advanced AI voice technology to ensure consistency, clarity, and accessibility for learners.

Question 15

What is Word Bank?

Accepted Answer

Word Bank lets you save words you want to remember. You can add words manually or save them from exercises. Words are stored in your browser or account.

Question 16

How do I report a problem or error in an exercise?

Accepted Answer

Email us at contact@haffenville.com with the exercise name and a description of the issue.

Question 17

Is my data private?

Accepted Answer

Yes. We do not sell or share your personal data. See our Privacy Policy for details.