# NTP & GPS Clock \[ROOT\]

> Displays and synchronize the NTP server or GPS time.

Canonical page: [https://chrome-stats.com/d/jp.xrea.poca.clocksync](https://chrome-stats.com/d/jp.xrea.poca.clocksync)

## Overview

- **ID:** `jp.xrea.poca.clocksync`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** ポカリ
- **Category:** TOOLS
- **Downloads:** 31,633
- **Rating:** 3.65 / 5 (205 ratings)
- **Version:** 2.1.2
- **Last updated:** 2024-03-26
- **First published:** 2017-05-20
- **Publisher country:** JP
- **Size:** 2.78 MB
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.xrea.poca.clocksync)
- **Website:** [https://poca256.com/software/](https://poca256.com/software/)
- **Privacy policy:** [https://poca.xrea.jp/privacy/](https://poca.xrea.jp/privacy/)

## Description

NTP & GPS Clock [ROOT] is a Chrome extension designed to display and synchronize highly accurate time through NTP servers and GPS signals. Ideal for maintaining precise system time, it supports manual synchronization as well as scheduled automatic updates to ensure your clock is always correct.

Uniquely, this tool can retrieve GPS time when network connectivity is unavailable, enhancing reliability. Please note that the time synchronization features require a rooted device for full functionality. Whether you need to keep time accurate for technical or personal reasons, this extension provides a robust solution combining NTP and GPS technologies.

## Rankings

- #362,058 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_SUPERUSER`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`

## Review summary

Users appreciate the app for accurately synchronizing Android time via NTP and GPS, its ad-free and clean design, and support for rooted devices. However, common issues include the lack of reliable auto-sync, occasional NTP timeouts, app hangs after syncing, SSL conflicts, and bugs affecting date correctness. Despite these, users find it effective and well-maintained.

### Pros

- Consistently syncs Android time accurately when rooted.
- No ads and a clean, useful interface.
- Supports both NTP and GPS time synchronization.
- Works well on various rooted devices and Android versions.
- Regularly updated and maintained by the developer.

### Cons

- Auto-sync feature missing or does not work properly.
- NTP synchronization can fail or time out on some devices.
- App sometimes hangs or crashes after manual sync.
- SSL certificate and handshake issues causing conflicts with other apps.
- Occasional bugs with date synchronization causing incorrect year.

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Source: [Chrome-Stats](https://chrome-stats.com/d/jp.xrea.poca.clocksync)