privacy policy

last updated: june 24, 2025

1. information collection

required permissions

• health data – to read caffeine‑related data and write consumption entries if you enable syncing.
• notifications – to send you caffeine‑timing reminders and crash‑risk alerts.

2. data usage & protection

your caffeine‑intake data is:

• analyzed on‑device to calculate metabolism curves and crash‑risk scores.
• used to generate personalized insights and trends.
• stored locally on your device.
• not shared with advertisers or third parties.
• not transmitted to our servers unless you explicitly enable cloud backup.

3. data collection and usage

3.1 data not linked to your identity

the following data may be collected but is not linked to your identity:

• usage data – how you interact with features.
• anonymous analytics for improving the app.

purpose: interaction data is used only for:

• core functionality and security measures.
• ensuring server uptime and performance.
• minimizing crashes.
• providing customer support.
• understanding feature usage to improve the app.

3.2 third‑party services

jitter integrates the following services for app‑improvement purposes:

• posthog analytics – collects anonymized usage data. no personal information is transmitted.
• onesignal push notifications – enables push alerts with anonymous device tokens.

all third‑party data collection is completely anonymous and not used for advertising or marketing.

4. your rights

you have the right to:

• delete all local data by uninstalling the app.
• review or revoke app permissions in device settings.
• request deletion of any cloud‑backed data by emailing thejitterapp@gmail.com.

5. contact us

for privacy questions, email thejitterapp@gmail.com.