Privacy Policy

SleepCalc

Sleep Cycle Calculator  ·  Version 2.0.0

Published by Fevicab Services

Last updated: January 1, 2026  ·  Effective: January 1, 2026

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SleepCalc does not collect any personal information — ever.

The app works completely offline. No accounts, no tracking, nothing sent anywhere. All times you enter are processed only on your device and never stored or transmitted.

1. About the App

App NameSleepCalc
App TypeSleep Cycle Calculator Tool
Package IDcom.kofalling.balls
Version2.0.0 (Code 10003)
DeveloperAbu Huzaifa
PublisherFevicab Services
Available onGoogle Play Store

2. What data does SleepCalc collect?

None. SleepCalc performs all sleep cycle calculations entirely on your device. No time, schedule, or personal data you enter is ever saved to a server or shared with any third party.

3. What we do NOT collect

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Personal info

✓

Sleep data

✓

Location data

✓

Usage analytics

✓

Advertising IDs

✓

Device details

✓

Internet activity

✓

Cookies or trackers

4. Phone permissions

SleepCalc asks for zero phone permissions.

PermissionRequested?Why not
InternetNeverFully offline tool
LocationNeverNot needed
CameraNeverNot needed
StorageNeverNot needed

5. No ads, no third-party services

SleepCalc contains no advertisements and integrates no third-party SDKs or analytics. A clean, private, offline sleep calculator.

6. Safe for all ages

SleepCalc is suitable for all ages and complies with child privacy laws including COPPA and GDPR-K.

7. Contact

Developer: Abu Huzaifa  ·  Publisher: Fevicab Services

Package: com.kofalling.balls  ·  Version 2.0.0 (Code 10003) · 2026