1. About Koh Studio
Koh Studio is an AI-powered image generation tool for jewellery makers and brands, operated by Yiran Qin ("we", "us", "our"), United Kingdom. By using kohstudio.app you agree to these terms. If you do not agree, please do not use the service.
2. Your account
- You must be 18 or over to create an account
- You are responsible for keeping your login credentials secure
- You are responsible for all activity that occurs under your account
- We reserve the right to suspend or terminate accounts that violate these terms
3. Free trial
- New accounts receive a 7-day free trial with a maximum of 5 image generations
- Depending on the offer shown when you sign up, you may be asked to add a payment card before your trial starts
- If you added a card, your subscription to the plan shown at signup starts automatically when the trial ends and your card is charged, unless you cancel before then from your Account page. You won't be charged if you cancel during the trial
- If you did not add a card, after 7 days or 5 images — whichever comes first — you must subscribe to continue
- We reserve the right to modify trial terms at any time
4. Subscriptions and payment
- Subscriptions are billed monthly in GBP via Stripe
- Starter: £29/month — 50 images
- Studio: £79/month — 200 images
- Brand: £199/month — unlimited images
- Payments are taken on the same date each month
- Early access members lock in their rate permanently — pricing for new members may increase at public launch
- Image allowances reset on your monthly billing date and do not roll over
5. Cancellation and refunds
- You may cancel your subscription at any time from your account page
- Cancellation takes effect at the end of your current billing period — you retain access until then
- We do not offer refunds for partial months
- If you believe you have been charged in error, contact hello@kohstudio.app within 14 days
6. Acceptable use
You agree not to use Koh Studio to:
- Generate images that are illegal, defamatory, or infringe third-party rights
- Attempt to reverse engineer, scrape, or copy our technology
- Resell or sublicense access to the service
- Use free trial images commercially, or remove their watermark or digital stamp
- Upload images that contain personal data of third parties without their consent
- Use the service in any way that could harm Koh Studio or other users
7. AI-generated content
- Images are generated by artificial intelligence using Google's Gemini API
- Koh Studio does not guarantee the accuracy, originality, or intellectual property status of generated images
- You are responsible for ensuring generated content complies with applicable laws before commercial use
- All AI-generated images include an embedded SynthID watermark as required by Google
- We reserve the right to refuse generation requests that violate our acceptable use policy
8. Intellectual property
- You retain ownership of images you upload to Koh Studio
- You own the AI-generated outputs produced from your uploads, subject to the licence terms below
- Free trial images are for personal, non-commercial evaluation only. Images created or downloaded during the free trial carry a visible Koh Studio watermark and must not be used in product listings, adverts, product pages, marketplace or social media posts promoting a business, or any other commercial context
- Commercial use requires a paid plan. If you upgrade, you can download clean versions of your trial images and use them commercially
- Images downloaded while you are on a paid plan may be used commercially, including after you cancel
- Downloaded images contain a Koh Studio digital stamp: embedded metadata recording that the image is AI-generated, its licence and a unique reference. You must not remove or obscure the watermark or digital stamp on trial images
- Koh Studio retains ownership of its technology, platform, and brand
- You grant us a limited licence to store and process your uploaded images solely to provide the service
9. Limitation of liability
- Koh Studio is provided "as is" without warranties of any kind
- We do not guarantee uninterrupted or error-free service
- To the maximum extent permitted by UK law, our total liability to you shall not exceed the amount you paid us in the 3 months preceding any claim
- We are not liable for any indirect, incidental, or consequential damages
10. Changes to the service
We reserve the right to modify, suspend, or discontinue any part of Koh Studio at any time. We will provide reasonable notice of significant changes where possible.
11. Changes to these terms
We may update these terms from time to time. Continued use of Koh Studio after changes constitutes acceptance of the updated terms. We will notify registered users of material changes by email.
12. Governing law
These terms are governed by the laws of England and Wales. Any disputes shall be subject to the exclusive jurisdiction of the courts of England and Wales.
13. Contact
For any questions about these terms, contact us at hello@kohstudio.app.