Terms of Service
Version 1.0 — Effective 2026-03-01 — Last updated 2026-03-27
Agreement to Terms
By accessing or using zakki (“the Service”), you agree to be bound by these Terms of Service (“Terms”). If you do not agree to these Terms, please do not use the Service.
Description of Service
zakki is a mobile application that allows you to:
- Record: Save original notes and images as casual personal records with provenance
- AI Access via MCP: Let external AI tools read your record layer through the Model Context Protocol (MCP)
- Separate AI-authored follow-ups: Preserve AI-saved records separately from human-authored records so the source stays explicit
Account
- You must create an account to use the Service
- You are responsible for maintaining the security of your account credentials
- You must provide accurate information when creating your account
- One person may not maintain more than one account
User Content
- You retain all intellectual property rights to the content you create and store in zakki
- By using the Service, you grant us a limited license to store, process, and transmit your content solely to provide and improve the Service
- We do not use your content to train AI models
- You are responsible for the content you store and must not use the Service to store illegal content
Subscriptions and Payments
Free Plan
- Text and image capture
- 50 human-authored records per 30-day cycle
- AI-saved records: 10 per 30-day cycle (separate usage meter)
- 60-day AI memory window
- Basic image storage
- MCP read access
- No payment required
Premium Plan
- Unlimited human-authored records and Focus contexts
- AI-saved records: 100 per 30-day cycle (separate usage meter)
- Full-history AI memory
- Expanded image storage
- Restore purchases on this account
- Billed monthly through Apple App Store or Google Play Store
- Managed by the respective app store’s subscription system
- You can cancel at any time through your app store subscription settings
Onboarding Window
During the first 14 days after account activation, human-authored records are unlimited and AI-saved records are limited to 5 total.
Image Storage
Each plan includes image storage capacity. When your capacity is reached, existing images remain viewable, only new image uploads are paused, and no images are automatically deleted. Text records are unaffected by image limits. For detailed capacity figures, see the Commercial Transactions Act disclosure.
Refunds are handled according to the policies of Apple App Store or Google Play Store.
Prohibited Uses
You agree not to:
- Use the Service for any illegal purpose
- Attempt to gain unauthorized access to other users’ data
- Interfere with or disrupt the Service
- Reverse engineer the Service
- Use the Service to store or distribute malware
Disclaimer of Warranties
The Service is provided “as is” and “as available” without warranties of any kind, either express or implied.
Limitation of Liability
To the maximum extent permitted by law, CAPH TECH Inc. (Japanese legal entity name: 合同会社 CAPH TECH) shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising from your use of the Service.
Governing Law
These Terms shall be governed by and construed in accordance with the laws of Japan, without regard to its conflict of law provisions. Any disputes arising from these Terms shall be subject to the exclusive jurisdiction of the Tokyo District Court.
Changes to Terms
We may modify these Terms at any time. We will notify you of significant changes through the Service. Your continued use of the Service after changes are posted constitutes acceptance of the modified Terms.
Contact Us
If you have questions about these Terms, please contact us at:
- Email: [email protected]