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Lesson management

Private-lesson management, online

Students, teachers, scheduling, invoices and payments: Kadrella keeps it all up to date while you teach. Free to start.

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Kadrella dashboard: lesson count, average price, new students and net revenue on a chart

Running private lessons means keeping four lists up to date at once: who comes when, who has paid, who needs a reminder and what each teacher has taught. Kadrella is private-lesson management software that brings those four lists together. Student and parent records, a schedule sent to Google Calendar, PDF invoices generated from the lessons, transfers matched to the right family and WhatsApp reminders all live in one place. It works for independent tutors and for tutoring businesses with several teachers.

Everything in one place

Students, parents and teachers

Every student has a record: contact details, linked parents, subjects, rate and lesson history. Every teacher has one too, with their own rate.

  • Parents linked for reminders and invoices
  • Separate student and teacher rates, margin worked out on every lesson
  • Contacts sent to your phone's address book

Scheduling

Schedule a one-off lesson, a weekly series or several dates at once. Each lesson goes to Google Calendar and stays up to date there when you move or cancel it.

  • Recurring lessons with exceptions
  • Cancellations and reschedules carried over to billing
  • One schedule per teacher, an overview for the manager

Invoicing and payments

Invoices are generated from the lessons actually taught, at the right rate, with numbering that follows on. No more template to fill in at the end of the month.

  • PDF invoices sent by email
  • Yearly tax certificate for the French 50% tax credit
  • Who has paid and who is late, student by student

WhatsApp and Superprof

Lesson reminders and unpaid-lesson reminders go out on WhatsApp, from your business number. New Superprof requests get an answer right away, without typing the student in again.

  • A reminder before every lesson
  • Unpaid reminder listing the lessons due
  • Superprof requests answered with a time slot

Bank reconciliation

Connect your bank account once. Each incoming transfer is matched to the student who sent it and their lessons are marked as paid.

  • Transfers, PayPal and cash tracked in one place
  • Balance due per family always up to date
  • A weekly payments summary

For the solo tutor and the tutoring business

You teach your own lessons

Students at home or online, Superprof requests, parents to chase: Kadrella handles invoices, reminders and payment tracking. The free plan is enough to start.

You run a team of teachers

Each teacher sees their own schedule and students, you see everything: lessons taught, payments received, margin on every lesson. No more shared spreadsheet or chasing five teachers to find out who was paid.

What changes with Kadrella

  • Scheduling

    A diary, a spreadsheet and Google Calendar to copy into each other

    A lesson created once, sent to Google Calendar

  • Invoices

    A Word template filled in by hand every month

    PDF invoices generated from the lessons taught

  • Payments

    The bank statement checked line by line

    Each transfer matched to the student who sent it

  • Reminders

    WhatsApp messages typed one by one to families who owe you

    A WhatsApp reminder listing the lessons due, in one tap

  • Superprof

    Superprof requests waiting for your reply

    An instant reply offering a time slot

Why choose Kadrella

  • One platform for the whole operation.
  • Nothing to invoice or chase for payment by hand.
  • WhatsApp, Superprof and Google Calendar integrations.
  • Fits independent tutors and businesses alike.
  • Free to start, no credit card.

Free to start

Start on the free plan, or try any paid plan free for 14 days.

0% commission on your lessons: a flat price, with no extra fee per teacher you add.

  • Free

    0 €/mo

    The basics to run your tutoring, free forever.

  • Essentials

    29 €/mo

    For a solo tutor: scheduling, messaging and Superprof in one place.

  • Complete

    49 €/mo

    Nothing left to invoice, reconcile or follow up on by hand.

The founder's story

Built by a teacher, for his own tutoring business.

I've taught maths and computer science since 2020, and I run my own private-tutoring business, Head of Science: several teachers, around a hundred students. I'm also a software engineer. In 2024, I started building this tool for myself, because tracking payments and chasing late ones took every Sunday. I've used it every day since. Kadrella is that same tool, opened up to other teachers.

July 2026

700invoices generated
1,500lessons scheduled
€100kin payments tracked

The team

  • Marie P.
    Marie P.
    Designer at L'Oréal
  • Amir
    Amir
    CPO, client relations
  • Alexis
    Developer, student

Frequently asked questions

Does Kadrella suit both tutors and businesses?+

Yes. An independent tutor uses it alone, a business adds its teachers. Each teacher has a schedule, the manager sees everything, with no extra fee per teacher added.

Which integrations are available?+

WhatsApp, Superprof, Google Calendar, Discord, PayPal, bank sync and your phone contacts. Kadrella also connects to Claude and ChatGPT so you can manage your lessons from the chat.

Can I use it for free?+

Yes. The free plan covers students, teachers, lessons and payment tracking, with no student limit and no card. Integrations come with the paid plans, which have a 14-day trial.

Can I import my students from a spreadsheet?+

Yes. We help you import your existing data, and Superprof students come in directly with their requests.

Do I need to install anything?+

No. Kadrella runs in the browser, on a computer, tablet or phone. The WhatsApp extension is optional.

Can students see their invoices?+

Yes. Each student can get access to view their invoices, on top of the ones sent by email.

Is my data safe?+

Connections and data are encrypted, hosting is in Europe and GDPR compliant, with daily backups and an export available at any time.

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