Terms of Service

Effective Date: July 23, 2025

These Terms of Service (“Terms”) govern your access to and use of the Northlog application (the “App”), available at web.northlog.app, the Apple App Store, and other app stores, and any related services (collectively, the “Service”).

By accessing or using the Service, you agree to be bound by these Terms. If you do not agree with any part of these Terms, you may not use the Service.


1. About Northlog

Northlog is a digital pilot logbook application that allows pilots to log flights, track currency, generate professional PDF exports, and sync data across devices. The App is developed and operated by Northlog.

The Service is available on iPhone, iPad, and the web, with Android support coming soon.


2. Account Registration

2.1 Account Types

You can use Northlog in three ways:

2.2 Account Security

You are responsible for maintaining the security of your account and for all activities that occur under your account. You must immediately notify us at support@northlog.app of any unauthorized use of your account or other breach of security.

2.3 Account Deletion

You can permanently delete your account at any time from your profile settings. Upon deletion, all your data will be removed from active systems within 30 days, as described in our Privacy Policy.


3. License

Subject to these Terms, we grant you a limited, non-exclusive, non-transferable, revocable license to use the Service for your personal, non-commercial use.

You may not:


4. Subscriptions & Payments

4.1 Free Tier

Northlog offers a free tier that allows you to log up to 20 flight hours. Once you reach this limit, you can no longer log new flights until you upgrade to Pro or wait for the limit to reset (if applicable). You can still view, export, and manage your existing data in read-only mode.

4.2 Pro Subscription

To log unlimited flights, you can subscribe to a Pro plan. Pro subscriptions are managed by RevenueCat and billed through the Apple App Store, Google Play Store, or web payment provider.

Available plans include weekly, monthly, and yearly options. Prices are displayed in the app before you subscribe.

4.3 Billing

4.4 Changes to Pricing

We may change the price of Pro subscriptions at any time. If we do, we will notify you through the app or by email before the change takes effect. Your continued use of the Service after a price change does not constitute acceptance of the new price.


5. Data Ownership

5.1 Your Data

You retain all rights to the data you store in Northlog, including your flight records, profile information, and exports. Northlog does not claim ownership of your data.

5.2 License to Use Your Data

By using the Service, you grant Northlog a limited license to use your data solely to:

We do not sell, rent, or share your data with third parties for their marketing purposes.

5.3 Export Data

PDF exports you generate are stored in InstantDB Storage under your user ID. You can download, share, or delete these exports at any time.


6. Third-Party Services

The Service integrates with third-party services, including:

Your use of these services is also governed by their respective terms and privacy policies. We are not responsible for the actions of these third parties.


7. Disclaimers

7.1 No Warranty

The Service is provided “as is” and “as available” without warranties of any kind, either express or implied. We do not warrant that the Service will be uninterrupted, secure, or error-free, or that defects will be corrected.

7.2 Pilot Responsibility

Northlog is a tool to assist with flight logging and currency tracking. You are solely responsible for the accuracy and completeness of the data you enter. The Service should not be relied upon as your sole record for regulatory or legal purposes. Always maintain a backup of your data and verify your currency status independently.

7.3 No Aviation Advice

The Service does not provide aviation advice, flight planning, or weather information. Always consult official sources and qualified instructors for flight-related decisions.


8. Limitation of Liability

To the maximum extent permitted by law, Northlog shall not be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of data, profits, or revenue, whether incurred directly or indirectly, or any loss of data, use, goodwill, or other intangible losses, resulting from:

Our total liability to you for any claim arising out of or related to these Terms or the Service shall not exceed the amount paid by you to Northlog for the Service in the 12 months preceding the claim.


9. Indemnification

You agree to indemnify, defend, and hold harmless Northlog, its officers, directors, employees, agents, licensors, and suppliers from and against any claims, liabilities, damages, losses, costs, and expenses (including reasonable attorneys’ fees) arising out of or in any way connected with:


10. Changes to These Terms

We may update these Terms from time to time. When we do, we will:

Your continued use of the Service after any changes constitutes acceptance of the new Terms.


11. Termination

We may suspend or terminate your access to the Service at any time, with or without cause, with or without notice, and at our sole discretion. Upon termination, all licenses granted to you under these Terms shall immediately cease.


12. Governing Law

These Terms shall be governed by the laws of Germany, without regard to its conflict of law principles. Any disputes arising out of or related to these Terms or the Service shall be subject to the exclusive jurisdiction of the courts in Passau, Germany.


13. Miscellaneous


14. Contact

If you have any questions about these Terms, please contact us:

Northlog
Email: support@northlog.app