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Terms & Conditions

Terms of Service

Last updated: September 26, 2026Effective: September 26, 2026Applies to all KN Apps Studio apps

On this page

  • 1. Apple Standard EULA
  • 2. App-specific terms
  • 3. Licence
  • 4. Acceptable use
  • 5. Subscriptions and in-app purchases
  • 6. Your content
  • 7. Third-party services
  • 8. Accuracy
  • 9. Intellectual property
  • 10. Disclaimer of warranties
  • 11. Limitation of liability
  • 12. Termination
  • 13. Apple as a third-party beneficiary
  • 14. Governing law
  • 15. Changes
  • 16. Contact

All documents

  • Privacy — All apps
  • Terms — All apps
  • Privacy — AI Translate
  • Terms — AI Translate
  • Privacy — PDF Scanner
  • Terms — PDF Scanner
  • Privacy — Zentra VPN
  • Terms — Zentra VPN
These Terms of Service (“Terms”) are an agreement between you and KN Apps Studio (“we”, “us”, “our”) covering your use of our apps: AI Translate Voice Translator, PDF Scanner: Photo to PDF and Zentra VPN for Mac (each an “App”), and this website. By downloading or using an App, you agree to these Terms and to our Privacy Policy. Some Apps have additional terms, linked below; if they conflict with these Terms, the App's own terms apply.

1. Apple Standard EULA

Our Apps are distributed through the Apple App Store. Your use of each App is also governed by Apple's Licensed Application End User License Agreement (the “Standard EULA”), which you can read here:

https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

These Terms add to the Standard EULA. If there is a conflict between these Terms and the Standard EULA regarding your licence to use an App, the Standard EULA applies.

2. App-specific terms

  • AI Translate — Terms & Conditions
  • PDF Scanner — Terms & Conditions
  • Zentra VPN — Terms of Service

3. Licence

We grant you a personal, limited, non-exclusive, non-transferable and revocable licence to use the Apps on Apple devices you own or control, in line with these Terms, the Standard EULA and the Apple Media Services Terms and Conditions. The Apps are licensed, not sold, and all rights not expressly granted are reserved by us.

4. Acceptable use

You agree to use the Apps lawfully. You must not:

  • use the Apps to break any law, infringe anyone's rights, or harm, harass or defraud others;
  • copy, modify, decompile, reverse engineer or create derivative works from the Apps, except where the law allows;
  • interfere with, overload or try to gain unauthorised access to the Apps or the services they rely on;
  • resell, rent or share access to paid features.

5. Subscriptions and in-app purchases

Some Apps offer optional paid features or auto-renewing subscriptions:

  • Prices and what's included are shown in the App before you buy.
  • Payment is charged to your Apple Account at confirmation of purchase.
  • Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the period ends.
  • You can manage or cancel subscriptions in your Apple Account settings at any time.
  • Any unused portion of a free trial is forfeited when you buy a subscription, where applicable.
  • Refunds are handled by Apple under its policies.

6. Your content

You keep all rights to the documents, text, images and recordings you use with the Apps. You are responsible for having the right to use that content. Where content is processed by a third-party service (for example, translations by Google Cloud Translation), it is processed only to provide the feature you requested.

7. Third-party services

The Apps rely on third-party services such as Google Cloud Translation, Google Firebase, Google AdMob, RevenueCat, AppsFlyer, ipwho.is and Cloudflare, as described in our Privacy Policy. Your use of those services may be subject to their own terms, and we are not responsible for third-party content or services.

8. Accuracy

We work hard to make the Apps reliable, but results such as translations, OCR text and network speeds may not always be accurate or complete. Please double-check anything important, and don't rely on the Apps for medical, legal, safety-critical or emergency situations.

9. Intellectual property

The Apps, their names, logos, designs, text and software are owned by KN Apps Studio or its licensors and are protected by intellectual property laws. Nothing in these Terms gives you the right to use our branding.

10. Disclaimer of warranties

The Apps are provided “as is” and “as available”, without warranties of any kind, whether express or implied, to the maximum extent permitted by law. We don't guarantee that the Apps will be uninterrupted, error-free or available at all times.

11. Limitation of liability

To the maximum extent permitted by law, KN Apps Studio will not be liable for any indirect, incidental, special, consequential or punitive damages, or for any loss of data, profits or business, arising from your use of, or inability to use, the Apps. Our total liability for any claim is limited to the amount you paid us for the relevant App in the previous 12 months. Nothing in these Terms limits rights you have under consumer protection laws that cannot be excluded.

12. Termination

You can stop using an App at any time by deleting it. We may suspend or end your access if you break these Terms or misuse the Apps, or if we discontinue an App.

13. Apple as a third-party beneficiary

These Terms are between you and KN Apps Studio only, not Apple. Apple is not responsible for the Apps or their content, has no obligation to provide maintenance or support, and is not responsible for addressing any claims relating to the Apps. If an App fails to conform to any applicable warranty, you may notify Apple for a refund of the purchase price (if any). Apple and its subsidiaries are third-party beneficiaries of these Terms and may enforce them against you.

14. Governing law

These Terms are governed by the laws of India. Any disputes are subject to the exclusive jurisdiction of courts in India, unless the consumer laws of your country give you the right to bring proceedings where you live.

15. Changes

We may update these Terms from time to time. We will change the “Last updated” date above and, for significant changes, let you know in the Apps. Continuing to use the Apps after an update means you accept the updated Terms.

16. Contact

  • Email: help@knappsstudio.com
  • Website: knappsstudio.com
  • Developer: KN Apps Studio (Kartik Nakrani), India
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