General
Terms and conditions

Last modified on 18 December 2025

§1 General / Scope of application

1. these General Terms and Conditions (GTC) apply to all offers, services, software provision, cloud services and hardware products provided via the website wibutler.com and associated subdomains (in particular the website wibutler.com). https://www2.wibutler.com/) are provided.

2. the law of the Federal Republic of Germany shall apply. If a consumer is involved in this contract, the law of the place where the consumer has his habitual residence shall apply.

3. insofar as the customer is a consumer within the meaning of. §13 BGB, these General Terms and Conditions shall apply exclusively. If the Customer concludes the contract with wibutler within the scope of his activity as an entrepreneur within the meaning of §14 BGB. §14 BGB, the terms and conditions of purchase and sale provided by wibutler shall take precedence. In this case, these General Terms and Conditions shall apply subordinately and additionally.

4. wibutler's services and deliveries are provided exclusively on the basis of these General Terms and Conditions and wibutler's Terms and Conditions of Purchase and Sale. Provisions deviating from these General Terms and Conditions, in particular conflicting general terms and conditions of the contractual partner, shall only apply if wibutler has expressly agreed to them in writing prior to conclusion of the contract. These General Terms and Conditions of Business shall also apply if the delivery or service has been accepted by wibutler without reservation or payment has been made in the knowledge that the contractual partner's terms and conditions of sale conflict with or deviate from these Terms and Conditions of Purchase.

5 These General Terms and Conditions apply both to the present transaction and to all future business transactions, as well as to all statements made in connection therewith, irrespective of whether these were made verbally, in writing or via the Internet.

6. the contract language is German.

§2 Contractual partner

On the basis of these General Terms and Conditions, a contract is concluded with: 

DBT Digital Building Technology GmbH & Co. KG
Weseler Straße 539
48163 Münster
Germany

Email: info@wibutler.com

Managing Director: Michael Jüdiges

hereinafter also referred to as “wibutler”

Contact / Complaints 

Our customer service is available for technical or product-related questions, complaints and claims via various contact options. Please use our website https://www2.wibutler.com/support/.

§3 Subject matter of the contract

1. wibutler offers a smart home system consisting of hardware, software and cloud services. This includes in particular

• wibutler hardware (e.g. control centre)
• wibutler-App
• wibutler cloud
• Online services for controlling, analysing and configuring smart home devices

2. by purchasing the smart home system and accepting the end user licence agreement by downloading the software, the customer receives a simple, non-transferable right to use the wibutler software.

3 This includes:

• Installing and using the app
• Use of the wibutler cloud within the contractual scope
• Security and system updates

4. it does not authorise the:

• Passing on, sub-licensing or reproduction outside legal restrictions
• Decompilation or modification

5. the specific range of functions of the wibutler software results from the range of services provided upon conclusion of the contract and may develop further within the framework of these GTC; there is no entitlement to the unchanged continuation of individual functions, subject to basic functions expressly labelled as such.

6. the customer shall be notified at least 30 days in advance of any changes that lead to a more than insignificant restriction of use. The customer may terminate the contract at the time the change comes into effect.

§4 Restrictions on use

1. products of the wibutler family are not suitable for the operation of medical or health-related devices. All circuits configured by the customer should be checked again by the customer. Thermal household appliances (e.g. coffee machines, kettles, irons, etc.) should not be switched unattended. The functionality of the field devices in combination with the products of the wibutler family may be restricted by structural features of the installation site.

2. a mobile device (smartphone, tablet PC) with the iOS (version 14 or higher) or Android (version 5 or higher) operating system is required for use in accordance with the contract.

3. the use of the wibutler cloud requires an internet-enabled end device.

§5 Consent to new GTC / existing customers

For existing customers, the new GTC will only come into force after express approval.

§6 Prices and terms of payment

1. prizes are awarded at https://shop.wibutler.com/ resp. https://www2.wibutler.com/ indicated.

2. wibutler is authorised to charge separately for functions and extensions of the services. Charges shall only become part of the contract with the publication of a price list and the express consent of the client. The functions expressly designated as essential basic functions (manual control of lighting, shading and ventilation, if-then rules, time rules, individual room control) can be used permanently free of charge and are not subject to future pricing. Other functions, even if they are available free of charge when the contract is concluded, may in future form part of chargeable utilisation concepts.

3. wibutler may adjust the fees for ongoing chargeable services if the costs relevant to the provision of the service (e.g. energy, hosting, infrastructure or licence costs) demonstrably increase or decrease. Price adjustments shall be communicated to the customer by e-mail or within the user account at least 4 weeks before they come into effect.

4. if the price increases by more than 10 %, the customer has the right to cancel the affected service at the time the price change comes into effect. If the customer does not object to the price adjustment within the notification period, the change shall be deemed accepted. wibutler shall inform the customer of this right of objection separately.

5 All prices are inclusive of VAT.

6. payments are made via the payment methods offered in the order process.

§7 Right of cancellation

1. you have the right to cancel this contract within fourteen days without giving any reason.

2. the cancellation period is fourteen days from the day on which you or a third party named by you, who is not the carrier, took possession of the last goods. If the contract is limited to one of the services offered, such as the installation of separately ordered goods, the cancellation period is fourteen days from the day on which the contract is concluded.

3. to exercise your right of cancellation, you must inform us at the above address by means of a clear statement (e.g. a letter sent by post, fax or e-mail) of your decision to cancel this contract.

4. in order to comply with the cancellation period, it is sufficient that you send the notification of the exercise of the right of cancellation before the expiry of the cancellation period.

5. CONSEQUENCES OF REVOCATION

If you withdraw from this contract, we shall reimburse to you all payments received from you, including the costs of delivery (with the exception of the supplementary costs resulting from your choice of a type of delivery other than the least expensive type of standard delivery offered by us), without undue delay and in any event not later than 30 days from the day on which we are informed about your decision to withdraw from this contract. For the repayment, we will use the same means of payment that you used for the original transaction, unless expressly agreed otherwise with you; in no case will you be charged any fees for this repayment. In the case of a contract that is at least also for the purchase of goods, we may refuse to make a refund until we have received the goods back or until you have provided proof that you have sent the goods back, whichever is the earliest.

In the case of a contract that is at least also directed to the purchase of goods, you must return the goods immediately and in any case within fourteen days at the latest from the day on which you inform us of the cancellation of this contract to

DBT Digital Building Technology GmbH & Co. KG
Weseler Straße 539
48163 Münster

Germany

to return or hand over the goods. The deadline is met if you dispatch the goods before the period of fourteen days has expired. You shall bear the direct costs of returning the goods. You only have to pay for any loss in value if this loss in value is due to an unnecessary extent for checking the condition, properties and functionality of the goods.

If, in the case of a contract limited to services, you have requested that the services should commence during the cancellation period, you must pay us a reasonable amount corresponding to the proportion of the services already provided up to the time at which you inform us of the exercise of the right of cancellation with regard to this contract compared to the total scope of the services provided for in the contract.

§8 Warranty & Liability

1. the statutory provisions on liability for defects shall apply.

2 The statutory warranty is excluded for defects caused by improper use, non-compliance with the supplied user instructions or other misuse of the product, in particular the use of the product with a device whose compatibility has not been expressly confirmed by wibutler, by modification of the product, by repair attempts by third parties, i.e. not by wibutler or a representative authorised by wibutler, or by improper installation of third-party products.

3. wibutler reserves the right to deliver a new device instead of a repair or to refund the purchase price.

4. the statutory warranty period shall not start to run again in the event of rectification or subsequent fulfilment as a gesture of goodwill. Only in the event of a justified complaint and rectification or subsequent delivery by wibutler shall the guarantee and statutory warranty be renewed.

5.wibutler shall not be liable for financial losses resulting from the temporary or permanent failure of one or more servers provided for use or their inaccessibility by the Client, unless the failure or inaccessibility is due to wilful or grossly negligent behaviour on the part of wibutler. This applies in particular to the loss of data.

§9 Contract term & cancellation

1. the customer may terminate this contract at any time and without giving reasons by deleting their user account via the „Delete user account“ function within the wibutler app. The cancellation of the user account shall terminate all contracts and rights of use associated with the account, unless statutory retention obligations prevent this. In the event of self-cancellation by the customer, advance payments for periods after the cancellation takes effect will not be refunded.

2. wibutler is entitled to terminate the contract for good cause without observing a notice period. Good cause shall be deemed to exist in particular if wibutler cannot reasonably be expected to continue the contractual relationship until the expiry of the agreed term. Good cause exists in particular, but not conclusively, in the following cases:

a) serious or repeated breaches by the customer of these GTC, in particular of obligations to use the services lawfully,

b) misuse of the service, the software or the platform, for example through manipulation, interference with system integrity or unauthorised disclosure of access data,

c) Use of the service for unlawful purposes,

d) Default of payment if the customer does not pay despite a reminder and a reasonable deadline (only relevant if services are subject to a fee),

e) technical, safety-related or regulatory necessities that make it impossible or unreasonable to continue the contract under the previous conditions.

3. wibutler's claim to remuneration for services already rendered shall remain unaffected in the event of termination for good cause. Advance payments for periods after the cancellation takes effect shall be reimbursed on a pro rata basis.

§10 Data protection

The privacy policy available on the website applies.

§11 Consumer Dispute Resolution (VSBG)

wibutler is neither obliged nor willing to participate in dispute resolution proceedings before a consumer arbitration board.

§12 Information according to the Battery Act

1. in connection with the sale of batteries and rechargeable batteries, we as the manufacturer are obliged under the Battery Act (BattG) to inform our customers of the following: Batteries and rechargeable batteries may not be disposed of with household waste. End users are legally obliged to return batteries and rechargeable batteries. Used batteries may contain harmful substances that can damage the environment or your health. As an end user, you can return batteries and rechargeable batteries from our range to one of our sales outlets free of charge. They can also be returned to us by post with sufficient postage at the address below. We will then dispose of them - also free of charge for you. Rechargeable and non-rechargeable batteries can also be returned to a municipal collection centre or your local retailer. Batteries and rechargeable batteries that contain harmful substances are labelled with the symbol of a crossed-out dustbin - which means that you may not dispose of them in household waste - and the chemical symbol of the respective harmful substance (e.g. „Cd“ for cadmium, „Pb“ for lead, „Hg“ for mercury).

2. batteries and rechargeable batteries from our range can be returned to the following address:

DBT Digital Building Technology GmbH & Co. KG
Weseler Straße
48163 Münster
Germany

3. further information on the Battery Act, in particular the possibility to download the ordinance, can be found at the Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (www.bmu.de).

§13 Final provisions

1. should individual provisions be invalid, the remainder of the contract shall remain valid.

2. amendments to these GTC shall be made in writing and must be confirmed by the user before they become effective.