Persimmon Privacy Policy
Last updated on July 1, 2025
TL;DR — Persimmon does not collect any information about you. Users are not tracked and no data is collected, stored, or sold. All app-related functionality takes place on-device.
Persimmon is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your personal information when using our AI-enabled arXiv client. There’s no jargon on this page — everything is defined in clear, understandable terms so you can make an informed decision about your data.
1. Information We Collect
We do not collect any personal information, including your email address or Apple ID details, at any time. Persimmon does not require or store any data outside of your device.
We use language model provider API keys you furnish to process AI summaries for papers, which are stored only on your device using secure storage via Apple Keychain. We also store data you generate (e.g., notes on papers) securely and only on your device. Interest data is stored on-device and used to tailor a feed.
We use language model provider API keys you furnish to process AI summaries for papers, which are stored only on your device. We also store data you generate (e.g., notes on papers) securely and only on your device.
2. How We Use Your Information
Since we do not collect any personal information or usage data, we do not use any data for analytics, marketing, or other purposes.
3. Data Sharing & Third-Party Services
We do not share any information with third parties, including payment processors or analytics services.
4. Data Retention
We do not collect or retain any personal information or user data.
5. Your Rights
Since we do not collect or process any personal information, there is no data to access, correct, delete, or opt out of. No rights are applicable under this policy.
6. Security Measures
As we do not collect or store any personal data, there is no data to protect. API keys are stored on-device using Apple’s Keychain for secure access and management.
7. Changes to This Policy
We may update this Privacy Policy periodically to reflect changes in our practices or legal requirements. If significant changes are made, we will notify you via in-app updates or through the Persimmon app.
8. Contact Us
For questions, requests, or concerns about this policy, reach out to us at:
📧 Email: hello@momentalab.com
🌐 Website: momentalab.com
By using Persimmon, you agree to the terms of this Privacy Policy.
