# Sleep Cycle Calculator

> Find the bedtime or wake time that lands between sleep cycles.

Canonical page: [https://chrome-stats.com/d/com.tiptinker.sleepcyclecalc](https://chrome-stats.com/d/com.tiptinker.sleepcyclecalc)

## Overview

- **ID:** `com.tiptinker.sleepcyclecalc`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** TipTinker
- **Category:** TOOLS
- **Downloads:** 11
- **Version:** 1.0
- **Last updated:** 2026-09-15
- **First published:** 2026-08-03
- **Publisher country:** CN
- **Size:** 7.27 MB
- **Data as of:** 2026-09-19
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.tiptinker.sleepcyclecalc)
- **Website:** [https://www.tiptinker.com/](https://www.tiptinker.com/)
- **Privacy policy:** [https://www.tiptinker.com/privacy-policy/](https://www.tiptinker.com/privacy-policy/)

## Description

Sleep Cycle Calculator works out the best times to fall asleep or wake up so your alarm does not interrupt deep sleep. Choose a wake-up time and the app lists several bedtimes spaced by full ninety-minute sleep cycles, or choose a bedtime and see the wake times that complete four, five, or six cycles.<br><br>Key features<br>• Bidirectional planner: find bedtime from wake time, or wake time from bedtime<br>• Adjustable fall-asleep buffer for the minutes it takes you to drift off<br>• Tunable cycle length when yours runs shorter or longer than average<br>• Age-group highlights for adults, teens, and children<br>• Quick-start presets for common alarms, bedtimes, and power naps<br>• Saved plans with notes and a shareable summary<br>• Modern edge-to-edge design optimized for all devices<br><br>Each suggestion shows how many cycles and total hours of sleep it delivers, with the recommended window highlighted for the age group you pick.

## Rankings

- #2,801,575 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_BASIC_PHONE_STATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.gms.permission.AD_ID`
- `com.tiptinker.sleepcyclecalc.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.tiptinker.sleepcyclecalc)