Terms of Use
Last Updated: 10 November 2026
Please read these Terms of Use ("Terms") carefully before using the Calkub Service.
1. Interpretation and Definitions
- Application means the Calkub mobile application, including its features, content and updates.
- Company, "we", "us" or "our" means Arctis Labs, which operates Calkub.
- Service means the Application, the Website, and any content, AI-powered tools and services we offer through them.
- User Content means any photos, text or other content you submit through the Service.
- Website means calkub.app.
- You means the individual using the Service.
2. Agreement to Terms
By accessing or using the Service, you agree to these Terms and to our Privacy Policy. If you do not agree, do not use the Service.
3. Eligibility
You must be at least 13 years old to use the Service. If you are under the age of majority where you live, you may use the Service only with the involvement of a parent or guardian.
4. Health, Nutrition and Safety Disclaimers
- Calorie and nutrition figures are estimates, each with a margin of error.
- The Service is not medical advice and is not intended to diagnose, treat, cure or prevent any disease.
- Consult a qualified health professional before making dietary or health decisions, especially before starting to lose weight if you are pregnant, have a medical condition, or have a history of disordered eating.
5. User Content
You keep ownership of your User Content. By submitting a photo or text for analysis or support, you allow us and our service providers to process it only as needed to provide the Service to you. You must not submit content that is unlawful, harmful or infringing, or images of other people without their consent.
6. Prohibited Uses
You agree not to:
- access the Service's analysis or support systems by automated means, or overload them;
- reverse engineer, copy or resell the Service;
- circumvent any protection or gain unauthorised access to the Service; or
- submit unlawful, abusive or explicit content, or otherwise interfere with the Service's operation.
7. Subscriptions, Billing and In-App Purchases
- Searching and logging from Calkub's food database is free and needs no payment method. AI photo scans and barcode scans require a Calkub Premium subscription. If a subscription ends, nothing you have already logged is removed.
- Paid subscriptions are sold only as in-app purchases through Apple's App Store, and are billed to your Apple Account. We never ask you to pay outside the App Store.
- A subscription renews automatically at the end of each period unless you cancel at least 24 hours before it ends. You can manage or cancel it in your Apple Account's App Store settings.
- Promotional offer codes are redeemed through Apple and follow Apple's terms. When a free or discounted period ends, the subscription renews at the regular price unless cancelled.
- Refunds are handled by Apple under Apple's policies.
8. Third-Party Services
The Service works with services provided by others, including Apple's App Store, Sign in with Apple, iCloud and Health. Your use of them is governed by their own terms. Use of the Application downloaded from the App Store is also governed by Apple's Licensed Application End User License Agreement.
9. Intellectual Property
The Service, including its software, design, text and food database, belongs to us or our licensors and is protected by law. The nutrition data credited below is not ours, and each source keeps its own terms: INMU's data is the copyright of the Institute of Nutrition, Mahidol University; USDA FoodData Central data is in the public domain (CC0 1.0); the Open Food Facts database belongs to its contributors and is used under the Open Database License (ODbL); the delivery-food study is © its authors and published under the Creative Commons Attribution licence (CC BY 4.0); and Notification No. 182 is a Thai Ministry of Public Health regulation. These Terms do not give you any right to use our name, logo or other brand features.
Nutrition data sources
- Thai Food Composition Database, Institute of Nutrition, Mahidol University (INMU): laboratory-analysed values for 142 of the 194 Thai dishes, the ingredients of dishes worked out from a recipe, and the protein of 11 of the 20 dishes from the delivery-food study below. Kunchit Judprasong, Prapasri Puwastien, Nipa Rojroongwasinkul, Anadi Nitithamyong, Piyanut Sridonpai, Amnat Somjai. Institute of Nutrition, Mahidol University (2025). Thai Food Composition Database, Online version 3, August 2025, Thailand. https://inmu.mahidol.ac.th/thaifcd/home Source and copyright holder: Institute of Nutrition, Mahidol University (INMU), Thailand.
- USDA FoodData Central: values for the 149 international dishes (FNDDS 2021–2023), 2 Thai dishes and some ingredients (SR Legacy). U.S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center. FoodData Central. [Internet]. [cited 2026 Oct 21]. Available from https://fdc.nal.usda.gov/.
- A laboratory study of Bangkok delivery food: values for 20 dishes and real serving sizes for several more. Jindarattanaporn N, Suya I, Lorenzetti L, Kantachuvesiri S, Thamarangsi T. Nutritional Content of Popular Menu Items from Online Food Delivery Applications in Bangkok, Thailand: Are They Healthy? Int J Environ Res Public Health. 2023;20(5):3992. doi:10.3390/ijerph20053992
- Open Food Facts: Thai on-pack nutrition labels for 16 dishes, and the products you scan by barcode. Open Food Facts contributors, openfoodfacts.org. Database available under the Open Database License (ODbL).
- Notification of the Ministry of Public Health (No. 182) B.E. 2541 (1998) Re: Nutrition Labelling, Thailand: reference serving sizes for many dishes.
Calkub is not affiliated with, or endorsed by, any of these organisations.
10. Termination
We may suspend or end your access to the Service if you breach these Terms or misuse the Service. You may stop using the Service at any time by deleting the Application.
11. "As Is" and "As Available" Disclaimer
The Service is provided "as is" and "as available". To the fullest extent permitted by law, we make no warranties, express or implied, including that the Service will be uninterrupted or error-free, or that any estimate will match a particular meal.
12. Limitation of Liability
To the fullest extent permitted by law, we are not liable for any indirect, incidental or consequential loss, or for decisions made in reliance on nutrition estimates. Nothing in these Terms limits any right you have under consumer protection law that cannot be excluded.
13. Severability and Waiver
If any provision of these Terms is found unenforceable, the rest remain in effect. Our failure to enforce a provision is not a waiver of it.
14. Changes to These Terms
We may update these Terms as the Service changes, and will update the date at the top of this page each time. Continuing to use the Service after a change means you accept the updated Terms.
15. Contact Information
If you have questions about these Terms, email hello@calkub.app or use our support page.