Terms of Service

Last Updated: March 31, 2026

These Terms of Service ("Terms") govern your use of thefourlanguages.com and all digital products and services offered by Innovation Distributed OU ("we", "us", "our"), registered in Estonia (registry code 16434657).

By purchasing or accessing our products, you agree to these Terms.

1. Our Products and Services

We offer digital educational products and services at the following tiers:

TierWhat You GetPrice
DIY CourseFull video course (both parts), framework teachings, starter kit, self-hosting guide, lifetime access to purchased materialsEUR 350 (one-time)
The Four Languages MembershipMonthly membership with weekly course unlock (one module per week), monthly live build session, quarterly 1:1 strategy call, living repository access, year-round Q&A, email supportEUR 150/month
Sprint Cohort4-week guided cohort with 2 live sessions per week, 1 x 60 min 1:1 session with Maaria. Three sprints available: Part 1 (Build Your Root File), Part 2 (Run Your Business), and Part 3 (Share Your System). Includes lifetime access to rejoin any future cohort for the sprint(s) you purchased.EUR 750 per sprint, EUR 1,200 for two, EUR 1,500 for all three (one-time)

All prices are in EUR. Prices may change. Any price change applies only to new purchases, not existing customers.

Pricing Schedule

The prices listed above are seedling pricing, valid for purchases made until the end of June 2026. From July 2026 onward, the following standard pricing applies:

TierSeedling (until June 2026)Standard (from July 2026)
DIY CourseEUR 350EUR 500
MembershipEUR 150/monthEUR 150/month (unchanged)
Sprint (1)EUR 750EUR 950
Sprint (2)EUR 1,200EUR 1,600
Sprint (all 3)EUR 1,500EUR 2,000

If you purchase at seedling pricing, you keep that price permanently. The price increase does not affect existing customers.

2. Account and Access

When you purchase a product:

Lifetime access (for one-time purchases) means access for as long as we operate the course platform at thefourlanguages.com. If we ever discontinue the platform, we will provide at least 90 days notice and ensure you can download your materials.

Sprint lifetime cohort access means you may rejoin any future cohort of the sprint(s) you purchased at no additional cost. This includes all updates and improvements to the modules covered by your sprint. It does not include access to sprints you did not purchase or new products created after your purchase.

3. What You Can and Cannot Do

You CAN:

You CANNOT:

To be clear: The course teaches you to build YOUR OWN personalized system. It does not grant you a license to teach, resell, or redistribute the methodology itself.

4. Root System Starter Kit

If your purchase includes repository access:

5. Sessions and Services (Membership, Sprint)

For The Four Languages Membership:

For Sprint Cohorts:

For all session-based services (Membership live builds, Sprint cohorts):

6. Refund Policy

We want you to be confident in your purchase. Here is our refund policy:

Digital courses (DIY Course):

The Four Languages Membership:

Sprint Cohorts:

Important: Refund requests must be sent to maaria@thefourlanguages.com. Please include your purchase email and the reason for your request.

7. Intellectual Property

All content on thefourlanguages.com, including but not limited to:

...is the intellectual property of Innovation Distributed OU and/or Maaria Tiensivu. All rights reserved.

Your purchase grants you a personal, non-transferable, non-exclusive license to use the materials for your own development. It does not transfer ownership of any intellectual property.

8. Payments and Taxes

9. Availability and Changes

10. Use of AI Tools

We use AI tools in the creation, delivery, and operation of our products and services:

The course teaches you to use these same tools to build your own system. You are responsible for your own AI tool subscriptions, API usage, and compliance with the terms of any tools you choose to use.

11. Limitation of Liability

The Four Languages Root System is an educational product. Results depend on your effort, circumstances, and application.

12. Governing Law

These Terms are governed by the laws of Estonia. Any disputes will be resolved in the courts of Tallinn, Estonia, unless mandatory consumer protection laws in your jurisdiction require otherwise.

For EU consumers: You may also use the EU Online Dispute Resolution platform at ec.europa.eu/consumers/odr.

13. Contact

If you have questions about these Terms:

Innovation Distributed OU

Registry code: 16434657

Ahtri tn 12, Kesklinna linnaosa

Tallinn 15551, Estonia

Email: maaria@thefourlanguages.com

Website: thefourlanguages.com