Terms of Use

1. Acceptance of Terms

By accessing or using KaChiKa (the "App"), you agree to comply with and be bound by these Terms and our Privacy Policy. If you do not agree to these Terms, please do not use the App.

2. Description of Service

KaChiKa is a language learning application that helps users learn languages (including English, Japanese, French, Korean, Italian, Spanish, and Chinese) through daily life experiences. The App provides the following features:

• Smart Image Analysis: AI-powered image recognition to generate vocabulary and contextual sentences
• Flashcard System: Intelligent spaced repetition system for vocabulary learning
• Local Storage: All images and learning data are stored locally on your device
• Share Cards: Ability to save and share learning cards to social media platforms
• History Review: Access to previously created learning materials

3. Subscription Terms

KaChiKa offers auto-renewable subscription options to access premium features. By subscribing, you agree to the following terms:

3.1 Subscription Plans

• Monthly Subscription: Automatically renews every month
• Yearly Subscription: Automatically renews every year
• Lifetime Purchase: One-time payment for permanent access (non-subscription)

Note: Specific pricing is displayed in the App and may vary by region. Prices are shown in your local currency at the time of purchase.

3.2 Payment and Renewal

• Payment will be charged to your Apple ID account or Google Play account at confirmation of purchase
• Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period
• Your account will be charged for renewal within 24 hours prior to the end of the current period
• The renewal cost will be the same as the original subscription price unless notified otherwise

3.3 Managing Subscriptions

You can manage your subscriptions and turn off auto-renewal by going to your Account Settings after purchase:

• iOS Users: Settings → [Your Name] → Subscriptions
• Android Users: Google Play Store → Menu → Subscriptions

3.4 Cancellation Policy

• You may cancel your subscription at any time through your account settings
• Cancellation takes effect at the end of the current billing period
• No refunds will be provided for the unused portion of any subscription period
• Upon cancellation, you will retain access to premium features until the end of your current billing period

3.5 Free Trial

We may offer free trial periods for new subscribers. If a free trial is offered:

• You must cancel before the trial period ends to avoid being charged
• The subscription will automatically convert to a paid subscription at the end of the trial period
• Free trials are limited to one per user and cannot be combined with other offers

4. User Responsibilities

When using KaChiKa, you agree to:

• Use the App only for lawful purposes and in accordance with these Terms
• Not use the App in any way that violates any applicable laws or regulations
• Not upload or share content that is offensive, illegal, or infringes on others' rights
• Not attempt to reverse engineer, decompile, or disassemble the App
• Not use the App to transmit any viruses, malware, or harmful code
• Respect intellectual property rights of all content within the App

5. Intellectual Property Rights

All content, features, and functionality of KaChiKa, including but not limited to text, graphics, logos, icons, images, audio clips, and software, are the exclusive property of KaChiKa or its licensors and are protected by international copyright, trademark, and other intellectual property laws.

You are granted a limited, non-exclusive, non-transferable license to use the App for personal, non-commercial purposes only.

6. User-Generated Content

All images and content you upload to KaChiKa are stored locally on your device. We do not claim ownership of your content. You retain all rights to your user-generated content.

When you share content from the App to social media or other platforms, you are responsible for ensuring you have the necessary rights to share such content.

7. Third-Party Services

KaChiKa uses third-party services to enhance functionality:

• Mixpanel: For analytics and app improvement (see our Privacy Policy for details)
• AI Services: For image analysis and language processing

These third-party services are governed by their own terms and privacy policies. We are not responsible for the practices of these third parties.

8. Disclaimer of Warranties

THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.

We do not guarantee that:

• The App will be uninterrupted, secure, or error-free
• The results obtained from using the App will be accurate or reliable
• Any errors in the App will be corrected
• The AI-generated translations or vocabulary will be 100% accurate

9. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, KACHIKA SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS OR REVENUES, WHETHER INCURRED DIRECTLY OR INDIRECTLY, OR ANY LOSS OF DATA, USE, GOODWILL, OR OTHER INTANGIBLE LOSSES RESULTING FROM:

• Your use or inability to use the App
• Any unauthorized access to or use of our servers
• Any interruption or cessation of transmission to or from the App
• Any bugs, viruses, or other harmful code that may be transmitted through the App
• Any errors or omissions in any content or for any loss or damage incurred as a result of your use of any content

10. Refund Policy

All purchases are processed through the Apple App Store or Google Play Store. Refund requests must be made directly through these platforms:

• iOS Users: Request refunds through Apple's support system at support.apple.com
• Android Users: Request refunds through Google Play support

Refund eligibility is determined by Apple or Google according to their respective policies. We do not have direct control over the refund process.

11. Termination

We reserve the right to suspend or terminate your access to the App at any time, without notice, for conduct that we believe:

• Violates these Terms or our Privacy Policy
• Is harmful to other users, us, or third parties
• Violates applicable laws or regulations

Upon termination, your right to use the App will immediately cease. All provisions of these Terms that by their nature should survive termination shall survive.

12. Changes to Terms

We reserve the right to modify these Terms at any time. We will notify you of any changes by:

• Posting the new Terms in the App
• Updating the "Last Updated" date at the top of this page
• Sending you an email notification (if applicable)

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

13. Governing Law

These Terms shall be governed by and construed in accordance with the laws of the jurisdiction in which KaChiKa operates, without regard to its conflict of law provisions.

14. Contact Information

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

Email: [email protected]

Website: https://kachika.app

15. Apple App Store Terms

If you download the App from the Apple App Store, you acknowledge and agree that:

• These Terms are between you and KaChiKa, not Apple
• Apple has no obligation to provide maintenance or support services
• Apple is not responsible for addressing any claims relating to the App
• Apple is a third-party beneficiary of these Terms and may enforce them

By using the App, you also agree to Apple's Licensed Application End User License Agreement (EULA), which can be found at: Apple's Standard EULA