Terms of service

Version 1.0 of 12 October 2026

These terms apply to the use of the Shopify app "DV Surcharge, Fees & Discounts" (the app). By installing the app, you accept them.

1. Provider

The app is provided by the provider named above ("we"). These terms apply between us and the merchant who installs the app ("you"). The app is intended for businesses only; it is not offered to consumers.

2. Contract and Shopify

The contract is concluded when you install the app in your Shopify store. Shopify is not a party to this contract. As between you, us and Shopify:

• we alone are responsible for the app;
• Shopify is not liable for any fault in the app or any harm that may result from its installation or use;
• Shopify cannot provide assistance with the installation or use of the app; support is provided by us;
• we alone are responsible for any liability that may arise from your access to or use of the app, within the limits of section 8.

Shopify is not obliged to intervene in disputes between you and us.

3. Service

The app adds fees, deposits and discounts to the carts, draft orders and orders of your store according to rules you set, shows them in the cart and keeps a log of them. The features of each plan are described in the App Store listing and in the app. Fees in the cart and at checkout are calculated at Shopify (Shopify Functions and the app's script in your theme); the app's pages, the fee log and fees on draft orders need our server. We develop the app further and may change features, as long as the main purpose of your plan is preserved.

4. Plans and billing

Plans and prices are shown in the App Store listing and in the app. Shopify bills the charges with your Shopify invoice; Shopify's billing terms apply. A change of plan takes effect when you approve it in Shopify. Charges already billed for a billing period are not refunded in part, unless the law requires it.

5. Availability and support

We aim to keep the app available at all times, but cannot guarantee uninterrupted availability: maintenance and faults at Shopify or at our hosting provider can interrupt it. Support is provided by email to the contact address below.

6. Your responsibilities

• You decide which fees and discounts apply. You are responsible for the rules you set and for checking the result in your store before you activate them, for example with the preview in the app.
• You are responsible for ensuring that the prices, fees and information shown to your customers comply with the law that applies to your store, including price indication, consumer, tax and competition law.
• You inform your customers about the processing of their data; section 12 of our privacy policy contains a text for this.
• You use the app only in accordance with Shopify's terms and the applicable law.

7. Data protection

Our privacy policy explains how we handle data. Where we process personal data on your behalf, our data processing agreement applies; it is an annex to these terms and part of the contract.

8. Liability

• We are liable without limitation for intent and gross negligence, for injury to life, body or health, under the German Product Liability Act and under any guarantee we have given.
• For slight negligence, we are liable only for the breach of an essential contractual obligation, that is an obligation whose fulfilment makes the proper performance of the contract possible in the first place and on which you may regularly rely, and only for the damage that is typical for the contract and foreseeable when it was concluded.
• Otherwise, our liability is excluded. These limits also apply to the persons we use to perform the contract.

9. Term and termination

The contract runs for an indefinite period. You can end it at any time by uninstalling the app; Shopify then stops billing. We can end it with 30 days' notice, by email to the email address of your store at Shopify. The right to terminate for good cause remains unaffected. When the contract ends, the data are deleted as described in our privacy policy.

10. Changes to these terms

We may change these terms with effect for the future if there is a valid reason, such as new legal requirements, changes at Shopify or new features. We inform you at least 30 days before the changes take effect, by email to the email address of your store at Shopify. If you do not agree, you can uninstall the app before then; if you continue to use the app after the changes have taken effect, the new terms apply. We point this out in the notice.

11. Final provisions

German law applies, excluding the UN Convention on Contracts for the International Sale of Goods. If you are a merchant within the meaning of the German Commercial Code (HGB), a legal entity under public law or a special fund under public law, the place of jurisdiction is Bochum, Germany. If a provision of these terms is invalid, the remaining provisions remain valid. These terms are available in English and German; in case of differences, the German version prevails.

12. Contact

apps@dgtvsn.de