Calb - privacy policy

effective date: march 8, 2026

last updated: march 8, 2026

1. introduction

Welcome to Calb ("we," "our," or "us"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use the Calb mobile application. By using the app, you consent to the practices described in this policy.

2. information we collect

2.1 health and fitness data

• calories burned and activity data (when permitted)
• we do NOT store raw health data on our servers — data is processed locally on your device
• we do NOT access sensitive health categories such as sleep, heart rate, or medical records

2.2 food and nutrition data

• photos you take using the AI food scan feature (processed locally or via secure API, not retained)
• food log entries including meal type, calorie count, and macro breakdown
• your daily calorie and macro goals
• meal history and logged food items

2.3 workout data

• exercise logs including exercise type, reps, sets, and active minutes
• workout history and streak data
• daily workout goal progress

2.4 app usage data

• app settings and preferences (calorie goals, macro targets, notifications)
• in-app activity (screens visited, features used)
• subscription status and purchase history

2.5 device information

• device type and operating system version
• app version
• crash reports and error logs (to improve stability)
• we do NOT collect your name, email, or personal identifiers unless you contact us for support

2.6 information you provide

• your name (if you choose to set it in the app)
• custom calorie and macro goals
• notification preferences
• any information you share when contacting our support team

3. how we use your information

4. AI food scanning

• food scan images are used solely for the purpose of identifying food and estimating nutritional content
• we do not use food scan images to train AI models without your explicit consent
• nutritional estimates are approximations and may not be 100% accurate

5. data sharing and disclosure

we may share limited data with trusted third parties only in these circumstances:

• service providers: third-party services that help us operate the app (e.g., cloud storage for sync, crash analytics, AI food recognition API). these providers are contractually obligated to protect your data.
• payment processors: subscription payments are handled by Apple App Store or Google Play Store. we do not receive or store your payment card information.
• legal requirements: if required by law, court order, or to protect the rights, property, or safety of our users or the public.
• business transfers: in the event of a merger, acquisition, or sale of assets, your data may be transferred to the successor entity.

6. apple health and google fit permissions

Calb may request permission to read health and activity data from your device's health platform. specifically:

• iOS (Apple Health): we may request read-only access to calorie and activity data to supplement workout tracking. we do not write to Apple Health without your explicit consent.
• Android (Google Fit / Health Connect): we may request read access to activity data only.
• you can revoke these permissions at any time in your device settings without affecting core app functionality.
• health data is processed on your device and is never uploaded to our servers in raw form.

7. data retention

• local food and workout data is stored on your device and retained until you delete the app
• cloud-synced data (pro subscribers) is retained for the duration of your active subscription plus 90 days
• after account inactivity exceeding 12 months, cloud data may be deleted
• crash logs and analytics data are retained for up to 12 months
• support communications are retained for up to 2 years

8. data security

we implement industry-standard security measures to protect your information, including:

• encryption of data in transit (TLS/HTTPS)
• encryption of data at rest for cloud-synced content
• limited access to user data within our team
• regular security reviews

no method of transmission over the internet is 100% secure. while we strive to protect your data, we cannot guarantee absolute security.

9. your rights and choices

9.1 health data permissions

you can revoke Calb's access to your health data at any time through your device settings (iOS: Settings → Privacy → Health; Android: Settings → Apps → Permissions).

9.2 notifications

you can enable or disable calorie goal reminders and workout notifications in the app settings or your device notification settings.

9.3 data deletion

to delete your app data, uninstall the app from your device. for cloud data deletion requests, contact us at mallik.puranjan@gmail.com and we will process your request within 30 days.

9.4 access and portability

you may request a copy of the data we hold about you by contacting our support team.

10. children's privacy

Calb is suitable for all ages. we do not knowingly collect personal information from children under 13 without parental consent. if you believe your child has provided us with personal information without consent, please contact us and we will take prompt action to delete it.

11. third-party services

Calb may use the following third-party services, each governed by their own privacy policies:

• Apple App Store / Google Play Store: for subscription billing and app distribution
• Apple Health / Google Fit: for reading activity data
• AI food recognition service: for processing food scan images (anonymized)
• crash analytics provider: for app stability monitoring (anonymized data only)

12. international data transfers

Calb is operated from the United States. if you use the app from outside the US, your information may be transferred to and processed in the US. by using the app, you consent to this transfer.

13. changes to this privacy policy

we may update this privacy policy from time to time. when we do, we will update the "last updated" date at the top of this page. for material changes, we may notify you through the app. continued use of Calb after changes constitutes acceptance of the updated policy.

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your data is yours — we just help you reach your goals