Terms of Service
1. Scope
These Terms of Service apply to the use of the web application grafcet.io and the purchase of Pro licenses. By using grafcet.io and/or purchasing a Pro license, the user accepts these terms.
2. Contracting Party
The provider and contracting party is: Fabian Fuchs Kampenwandstraße 18 83104 Ostermünchen Germany Email: hi@grafcet.io
3. Service Description
Free Use
grafcet.io provides a free GRAFCET editor. This includes the creation and editing of GRAFCETs, export as SVG, PNG and PDF (with watermark), and local storage with up to 3 save slots.
Pro License
The Pro license includes the following additional features: cloud storage (unlimited), PDF export without watermark, PDF title block, GRAFCET simulation, export in .grafcetio format. Available as yearly license (29 EUR/year) or trial month (9 EUR/month, one-time). Volume licenses for schools and teams: 10 keys (249 EUR), 30 keys (499 EUR), 99 keys (999 EUR).
4. Contract Conclusion
The contract for a Pro license is concluded when the user completes the purchase process via the payment provider Lemon Squeezy and receives the license key by email. The license key confirms the successful conclusion of the contract. The buyer concludes the purchase contract for the licence key with Lemon Squeezy Inc. as Merchant of Record; the usage contract for the software and the user account is between the buyer and the provider (Fabian Fuchs).
5. Prices and Payment
The Pro license is available in the following variants: yearly license (29 EUR/year, 365 days validity), trial month (9 EUR, one-time, 30 days validity), volume licenses (10 keys: 249 EUR, 30 keys: 499 EUR, 99 keys: 999 EUR). Payment is processed via Lemon Squeezy as Merchant of Record; the invoice including any applicable VAT or sales tax is issued by Lemon Squeezy. The following payment methods are available: credit card (Visa, Mastercard, Amex), PayPal, SEPA, and Google Pay.
6. License Key and Activation
After successful payment, the user receives a license key by email. This key is activated in the user account on grafcet.io. The license key is valid for 365 days (yearly license) or 30 days (trial month) from activation. Device changes are possible at any time, as the license is tied to the user account.
7. Term and Renewal
The Pro license has a term of 12 months (yearly license) or 1 month (trial month) from activation. There is no automatic renewal. The user can renew the license at any time by purchasing a new license.
8. Right of Withdrawal
Statutory rights of withdrawal apply. Activating the licence key in the account panel constitutes the start of contract performance under § 356 (5) German Civil Code. Before activation the buyer may withdraw the key via the self-service form on the /widerruf page within 14 days. Upon activation the buyer expressly consents that delivery begins immediately and the right of withdrawal lapses accordingly. The consent and the notice of lapse are additionally confirmed to the buyer by confirmation email (durable medium under § 126b BGB). Details: separate cancellation policy on grafcet.io.
9. Limitation of Liability
The provider is only liable for damages caused by intentional or grossly negligent conduct. Liability for data loss is excluded insofar as the user has failed to perform adequate data backups. Service availability is not guaranteed. The provider endeavors to ensure uninterrupted usability but does not warrant it.
10. Data Protection
Information on the processing of personal data can be found in the privacy policy on grafcet.io.
11. Dispute Resolution
The provider is not willing or obliged to participate in dispute resolution proceedings before a consumer arbitration board (§ 36 VSBG). The online dispute resolution (ODR) platform provided by the European Commission was discontinued on 20 July 2025.
12. Final Provisions
The law of the Federal Republic of Germany applies, excluding the UN Convention on Contracts for the International Sale of Goods. Mandatory consumer-protection rules of the country in which the consumer has their habitual residence remain unaffected. Should individual provisions of these terms be or become invalid, the validity of the remaining provisions shall not be affected. The invalid provision shall be replaced by a provision that comes closest to the economic purpose of the invalid provision.
13. Last Updated
These Terms of Service were last updated on 11 May 2026.