Bonjournal

Bonjournal is your personal AI language coach, designed to transform daily journaling into your most effective language learning habit. Built by a language learner who experienced the breakthrough firsthand, it tackles the common challenge of getting consistent, personalized writing practice. The concept is beautifully simple: you write a journal entry in the language you're learning, just as you would about your day or thoughts in your native tongue. Within seconds, Bonjournal provides you with three powerful learning tools. You receive line-by-line corrections that fix grammar, spelling, and style, each with clear explanations. You get a personalized coaching note written in your target language, offering encouragement and tailored advice. Finally, you see progress scores that track your improvement in areas like grammar, verbs, and vocabulary over time. It's for anyone from beginners to advanced learners who wants to build confidence, overcome the fear of making mistakes, and make tangible, measurable progress through authentic, meaningful writing practice.

Line-by-Line Grammar Corrections

Every sentence you write is analyzed to provide specific, actionable feedback. Corrections are categorized into Grammar, Style, and Spelling, so you understand not just what was wrong, but why. For example, it will correct "Yo soy teniendo" to "Estoy teniendo" and explain that "estar" is used for temporary states. This detailed breakdown turns every mistake into a clear learning opportunity, helping you internalize the rules of your new language.

Personalized AI Coaching Note

After each entry, you receive a unique note of feedback and encouragement written entirely in your target language. This note comments on your specific content and progress, such as praising your improved use of reflexive verbs. This feature simulates having a supportive tutor who not only corrects you but also engages with what you're saying, making the practice feel more natural and motivating.

Progress Tracking & Scores

Bonjournal tracks your development with easy-to-understand grades (like B+ or C+) across key competencies such as Grammar, Verbs, and Vocabulary. These scores are logged over time on your personal dashboard, allowing you to visually see your strengths, identify areas for focus, and witness your improvement compound with each journal entry. It turns abstract learning into concrete, measurable achievement.

Encrypted, Private Practice

Your journal entries are for your eyes and your learning only. Bonjournal ensures that your personal writing is encrypted and not shared beyond what is technically necessary for the AI to provide feedback. This creates a safe, judgment-free space where you can write openly about your daily life, thoughts, and reflections without privacy concerns, encouraging more authentic and valuable practice.

Building a Consistent Daily Habit

For learners struggling to practice regularly, Bonjournal structures language learning around the simple, sustainable habit of daily journaling. By integrating practice into your daily routine—writing about your morning, reflections, or plans—you ensure consistent exposure and active use of the language, which is crucial for long-term retention and fluency development.

Preparing for Language Proficiency Exams

Students studying for exams like the DELE, DELF, or Goethe-Zertifikat can use Bonjournal to hone their writing skills, which are often a challenging section. The app's focus on grammar accuracy, stylistic nuance, and vocabulary range directly addresses exam grading criteria. Regular practice helps build speed, accuracy, and confidence for the written portion of the test.

Gaining Confidence in Self-Expression

Many learners can understand a language but freeze when trying to write or speak. Bonjournal provides a low-pressure environment to experiment with forming sentences and expressing personal ideas. The immediate, supportive feedback helps break down the fear of making mistakes, building the confidence needed to use the language in real-world conversations and communications.

Maintaining Hard-Earned Language Skills

For intermediate or advanced learners who are no longer in a formal class, Bonjournal is an ideal tool for maintenance. It prevents skill atrophy by providing a structured reason to write regularly, while the advanced feedback helps refine nuance, master tricky grammatical points, and expand into more sophisticated vocabulary and style.

Is Bonjournal free to try?

Yes, you can try Bonjournal completely free with no signup required. The free tier allows you to experience the core functionality by writing entries and receiving full AI corrections, personalized coaching, and progress scores for up to 10 entries per month. This lets you see the value firsthand before deciding to upgrade.

Which languages does Bonjournal support?

Bonjournal supports a wide range of popular languages including Spanish, French, German, Italian, Portuguese (both Brazilian and European), Dutch, English, Greek, and Hungarian. You can write journal entries in any of these languages and receive tailored feedback and coaching notes in that same language.

How does the personalized coaching note work?

The AI analyzes your journal entry for content, common patterns, and your historical progress. It then generates a unique, encouraging note in your target language that comments on what you did well and offers gentle, specific guidance. For instance, it might say, "Me encanta que escribas sobre tu rutina diaria," making the feedback relevant and engaging.

What happens to my journal entries? Are they private?

Your privacy is a top priority. Your writing is encrypted and is not shared with anyone. The data is used solely by the AI system to generate your corrections, coaching note, and progress scores. This ensures you have a completely private space to practice and make mistakes as you learn.

Bonjournal offers simple, transparent pricing plans to suit different levels of commitment. All prices are listed in EUR or USD.

Free Plan (€0 /month): Perfect for getting started. Includes 10 entries per month, full AI corrections, personalized coaching notes, and progress tracking.

Daily Plan (€5 /month): The most popular plan for regular practice. Includes 30 entries per month (about one per day), all Free plan features, plus access to advanced analytical features.

Pro Plan (€10 /month): For serious learners dedicated to intensive practice. Includes unlimited entries*, along with everything in the Daily plan. (*Fair use policy applies)