Terms of Service

§ 1 Scope and Contracting Parties

1.1 Contracting Party

These Terms of Service (hereinafter "Terms") govern all contracts between:

Provider:
Nicholas George Stockhammer
Dom-Pedro-Str. 18
80637 München (Munich), Germany
Email: hello@nexusintel.app
(hereinafter "Provider", "we", or "us")

and the user of the NEXUS service (hereinafter "User" or "you").

1.2 Scope

These Terms govern the use of the web-based application NEXUS (accessible at app.nexusintel.app) as well as the associated desktop application and all related services (hereinafter collectively the "Service" or "NEXUS").

1.3 Deviating Terms

Any deviating, conflicting, or supplementary terms and conditions of the User shall not become part of the contract unless the Provider expressly agrees to their applicability in writing.

§ 2 Service Description

2.1 Product Description

NEXUS is an AI-powered productivity and planning application. Depending on the chosen subscription, the Service includes:

• Task management and daily planning
• AI-powered planning assistant
• AI-powered research assistant
• Context-aware suggestions
• Week view and calendar integration
• Cloud synchronization
• Additional features as described in the current service description at nexusintel.app at the time of contract formation

2.2 Availability

The Provider endeavors to maintain 99% annual average availability. Excluded are periods of scheduled maintenance (with at least 24 hours' prior notice) and outages attributable to force majeure, third-party service disruptions, or circumstances beyond the Provider's control.

No guarantee of continuous availability is given. The Service is provided "as is."

2.3 Changes to the Service

The Provider reserves the right to develop and modify the Service's features. Material reductions in existing functionality will be communicated to Users by email with 30 days' notice. In such cases, the User has a special right of termination effective on the date the change takes effect.

§ 3 Contract Formation and Registration

3.1 Contract Formation

The contract is formed through the User's registration at app.nexusintel.app and acceptance of these Terms. Registration constitutes the User's offer to enter into a contract; activation of the user account by the Provider constitutes acceptance of that offer.

3.2 Registration Requirements

The User must:

• be at least 16 years old (Art. 8 GDPR — digital services)
• provide a valid email address
• provide truthful and complete information

3.3 User Account

Each User may maintain only one user account. The User is responsible for keeping login credentials confidential and is liable for all activities under their account, unless the misuse was not attributable to the User.

§ 4 Subscription and Pricing

4.1 Subscription Tiers

The Service is available in the following subscription tiers (as of 2026-04-21):

In accordance with § 19 UStG (German VAT Act), no value added tax is charged (small-business exemption / Kleinunternehmerregelung). Prices shown are final prices.

4.2 Free Trial

New users receive a 7-day free trial with access to Personal subscription features. During the trial, the User may cancel at any time without incurring charges.

After the trial expires, the subscription is automatically converted to a paid subscription, provided the User has registered a payment method and has not cancelled before the trial ends.

Without a registered payment method, access ends after the trial period at no cost.

4.3 Price Changes

Price changes will be communicated to the User by email at least 30 days before taking effect. The User may cancel within this period. If the User does not cancel, the new prices apply from the next billing period.

§ 5 Payment

5.1 Payment Processor

Payment processing is handled by Stripe Inc. The User agrees to Stripe's terms of service insofar as they apply to payment processing.

5.2 Due Dates

• Monthly subscription: Payment is due on the subscription activation date and monthly on the same calendar day thereafter.
• Annual subscription: Payment is due on the subscription activation date and annually on the same calendar day thereafter.

5.3 Late Payment

In the event of late payment, the Provider may temporarily suspend access to the Service after a 14-day grace period and corresponding reminder. The obligation to pay outstanding amounts remains.

5.4 Invoices

The Provider issues an invoice for each billing period, sent by email and accessible through the Stripe customer portal. All invoices include the notice: "In accordance with § 19 UStG, no value added tax is charged."

§ 6 Right of Withdrawal (Widerrufsrecht)

6.1 Withdrawal Policy

Right of withdrawal for consumers

You have the right to withdraw from this contract within 14 days without giving any reason.

The withdrawal period is 14 days from the date of contract formation.

To exercise your right of withdrawal, you must inform us:

Nicholas George Stockhammer
Dom-Pedro-Str. 18
80637 München (Munich), Germany
Email: hello@nexusintel.app

by means of a clear statement (e.g., a letter sent by post or email) of your decision to withdraw from this contract. You may use the model withdrawal form attached below, but it is not mandatory.

To meet the withdrawal deadline, it is sufficient to send the communication concerning the exercise of the right of withdrawal before the withdrawal period expires.

6.2 Effects of Withdrawal

If you withdraw from this contract, we shall reimburse all payments received from you, including delivery costs (except for additional costs arising from your choice of a delivery method other than the least expensive standard delivery offered by us), without undue delay and no later than 14 days from the day on which we receive notice of your withdrawal. We will use the same means of payment you used for the original transaction unless expressly agreed otherwise; in no event will you be charged any fees for the reimbursement.

6.3 Early Expiry of Withdrawal Right for Digital Content

Notice regarding early expiry of the right of withdrawal:

If you wish to begin using the Service within the withdrawal period (e.g., immediate start of the trial with full functionality), you expressly consent to our beginning performance of the contract before the withdrawal period expires. You also acknowledge that you lose your right of withdrawal once the contract has been fully performed by us.

For a subscription contract (ongoing performance), the right of withdrawal does not expire through mere use; it expires only upon full performance of the contract (§ 356(5) BGB). Since a subscription is an ongoing service, the right of withdrawal remains in principle. In the event of withdrawal after commencement of use, you owe the Provider a proportionate fee for the period of use until withdrawal (§ 357a(2) BGB).

6.4 Model Withdrawal Form

(If you wish to withdraw from the contract, please fill in and return this form.)

To:
Nicholas George Stockhammer
Dom-Pedro-Str. 18
80637 München (Munich), Germany
Email: hello@nexusintel.app

I/We () hereby withdraw from the contract concluded by me/us () for the provision of the following service:

• Ordered on () / received on ():
• Name of the consumer(s):
• Address of the consumer(s):
• Signature of the consumer(s) (only for paper notification):
• Date:

(*) Delete as applicable.

§ 7 Contract Duration and Termination

7.1 Duration

• Monthly subscription: The term is one month and automatically renews for successive one-month periods unless the User cancels.
• Annual subscription: The term is one year and automatically renews for successive one-year periods unless the User cancels.

7.2 Ordinary Termination

The User may cancel the subscription at any time, effective at the end of the current billing period. Cancellation may be submitted through the Stripe customer portal (accessible via account settings in NEXUS) or by email to hello@nexusintel.app.

7.3 Extraordinary Termination

The right of either party to terminate for cause (wichtiger Grund) remains unaffected. Cause exists in particular if:

• the Provider permanently discontinues the Service (more than 30 consecutive days of unavailability)
• the User materially breaches these Terms
• a material change in functionality occurs to which the User has not consented

7.4 Consequences of Termination

Upon termination:

• Access to paid features ends at the end of the paid period.
• The User may export their data within 30 days after the end of the subscription.
• After the 30-day period, user data is deleted in accordance with the Privacy Policy.

§ 8 Intellectual Property and Usage Rights

8.1 Provider License

The Provider grants the User a simple, non-transferable, non-sublicensable right to use the Service for the duration of the contractual relationship, subject to these Terms.

8.2 Provider's Intellectual Property

All rights in the software, design, trademarks, and intellectual property of the Service remain with the Provider. The User does not acquire ownership of the software or any of its components.

8.3 User Content

The User retains all rights to content they create (tasks, plans, notes, etc.). The User grants the Provider a simple license to use this content to the extent necessary for providing the Service (including storage, processing, display, and transmission to the AI service provider for feature delivery).

§ 9 User Obligations

9.1 Permitted Use

The User agrees:

• to use the Service only for lawful purposes
• not to upload unlawful, defamatory, threatening, or otherwise objectionable content
• not to use automated access (bots, scrapers) without prior written permission
• not to impair or overload the Service's technical infrastructure

9.2 Account Security

The User is obligated to keep login credentials confidential and to inform the Provider immediately of any unauthorized use of their account.

§ 10 Liability

10.1 Limitation of Liability

The Provider's liability is limited as follows:

1. Unlimited liability for intentional acts (Vorsatz) and gross negligence (grobe Fahrlässigkeit), as well as for damages arising from injury to life, body, or health.

2. Liability for slight negligence (leichte Fahrlässigkeit) only in the event of a breach of material contractual obligations (Kardinalpflichten). In this case, liability is limited to the foreseeable, contract-typical damage.

3. In all other cases, liability for slight negligence is excluded.

10.2 Liability Cap

Where liability is limited under § 10.1 No. 2, it is capped at the amount the User has paid to the Provider in the 12 months preceding the event giving rise to the damage, but no more than €500.00.

10.3 Disclaimer for AI Content

Content generated by the AI assistant (suggestions, plans, research results) does not constitute advice (whether legal, financial, medical, or otherwise professional). The User bears sole responsibility for decisions based on AI-generated content.

10.4 Force Majeure

The Provider is not liable for service failures or delays caused by force majeure (including, but not limited to, natural disasters, pandemics, war, cyberattacks, third-party service outages, and government actions).

§ 11 Data Protection

The processing of personal data is governed by our Privacy Policy, available at nexusintel.app/privacy (German version: nexusintel.app/datenschutz).

§ 12 Amendments to Terms

12.1 Right to Amend

The Provider reserves the right to amend these Terms with future effect, provided such amendments are reasonable for the User when taking the Provider's interests into account.

12.2 Notification

Amendments will be communicated to the User by email at least 30 days before taking effect. The email will contain the text of the amended provisions and a notice of the right to object.

12.3 Deemed Acceptance

If the User does not object to the amendment within 30 days of receiving the amendment notice, the amended Terms are deemed accepted. The Provider will specifically inform the User in the amendment notice of the significance of the 30-day period, the right to object, and the legal consequences of silence.

12.4 Consequence of Objection

If the User objects, the contractual relationship continues under the previous terms. The Provider may in this case terminate the contractual relationship with ordinary notice effective at the next regular termination date.

§ 13 Final Provisions

13.1 Governing Law

The laws of the Federal Republic of Germany apply, excluding the UN Convention on Contracts for the International Sale of Goods (CISG). Mandatory consumer protection provisions of the state in which the consumer has their habitual residence remain unaffected (Art. 6(2) Rome I Regulation).

13.2 Jurisdiction

For claims by the Provider against the consumer, the courts at the consumer's domicile have exclusive jurisdiction. For claims by the consumer against the Provider, the courts at the Provider's place of business (Munich) or at the consumer's domicile have jurisdiction.

13.3 Dispute Resolution

The European Commission provides a platform for online dispute resolution (ODR):
https://ec.europa.eu/consumers/odr/

We are neither willing nor obligated to participate in dispute resolution proceedings before a consumer arbitration body.

13.4 Severability

If any provision of these Terms is or becomes wholly or partly invalid, the validity of the remaining provisions shall not be affected. In place of the invalid provision, the valid provision that most closely reflects the economic purpose of the invalid provision shall be deemed agreed.

13.5 Text Form Requirement

Side agreements, amendments, and supplements require text form (§ 126b BGB). This also applies to the waiver of this text form requirement.

Source Citations

• [BGB] — German Civil Code (Bürgerliches Gesetzbuch)
  • § 276 — Debtor's responsibility
  • § 280 — Damages for breach of duty
  • § 286 — Debtor's default
  • § 288 — Default interest
  • § 305 — Incorporation of general terms and conditions
  • § 305c — Surprising clauses
  • § 306 — Legal consequences of non-incorporation
  • § 307 — Content control
  • § 308 No. 5 — Deemed declarations
  • § 312g — Right of withdrawal
  • § 312i — Obligations in electronic commerce
  • § 314 — Termination of continuing obligations for cause
  • § 315 — Determination of performance by one party
  • § 327r — Modification of digital products
  • § 355 — Right of withdrawal for consumer contracts
  • § 356(5) — Right of withdrawal for digital content
  • § 357 — Legal consequences of withdrawal
  • § 357a(2) — Compensation for value upon withdrawal
• [UStG] — German VAT Act (Umsatzsteuergesetz)
  • § 19 — Small-business taxation
• [PAngV] — German Price Indication Regulation (Preisangabenverordnung)
  • § 1 — Basic provision on price indication
• [EGBGB] — Introductory Act to the German Civil Code
  • Annex 2 to Art. 246a § 1(2) — Model withdrawal form
• [ZPO] — German Code of Civil Procedure (Zivilprozessordnung)
  • § 29c — Jurisdiction in consumer matters
• [VSBG] — German Consumer Dispute Resolution Act
  • § 36 — General information obligation
• [GDPR] — General Data Protection Regulation
  • Art. 13, 14 — Information obligations
• [Rome I] — Regulation (EC) No. 593/2008
  • Art. 6 — Consumer contracts
• [Regulation (EU) No. 524/2013] — Online dispute resolution