# OS Monitor: system manager

> Get advanced tasks monitor, system usage detector and device battery info

Canonical page: [https://chrome-stats.com/d/com.ddm.activity](https://chrome-stats.com/d/com.ddm.activity)

## Overview

- **ID:** `com.ddm.activity`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** IP Tools Network Utilities
- **Category:** TOOLS
- **Downloads:** 207,456
- **Rating:** 4.19 / 5 (1,599 ratings)
- **Version:** 2.3
- **Last updated:** 2026-08-11
- **First published:** 2019-07-19
- **Publisher country:** TR
- **Size:** 23 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.ddm.activity)
- **Website:** [https://ip-tools.app](https://ip-tools.app/)
- **Privacy policy:** [https://ip-tools.app/eula](https://ip-tools.app/eula)

## Description

OS Monitor: system manager is a lightweight real-time Android app that shows live system metrics, including CPU load, RAM usage, network traffic, battery status, and disk I/O.

It also provides detailed device information—hardware specs, display details, sensors, SIM data—and OS-level data such as version, security patch level, bootloader, and kernel. Real-time resource usage charts, inbound/outbound network monitoring, battery tracking, and comprehensive system information help diagnose performance and status at a glance.

## Rankings

- #156,505 — Overall
- #10 — system

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.BATTERY_STATS`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.NFC`
- `android.permission.READ_BASIC_PHONE_STATE`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_PHONE_STATE`
- `android.permission.RUN_USER_INITIATED_JOBS`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.amazon.privacypass.ATTEST`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.ddm.activity.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users generally praise OS Monitor for useful device metrics and clean visuals, and many mention it works well. Repeated concerns focus on nuisance ads, deceptive onboarding, and forced reviews, which harm usability. Other frequent points include a lack of CPU usage data and long-term/background tracking, plus occasional compatibility issues on newer Android versions. Overall, it’s informative and easy to use, but ad experiences and metric limitations are the main drawbacks.

### Pros

- Delivers comprehensive device metrics (RAM, network, battery) and useful information.
- Works well and is generally reliable.
- Visually appealing UI with clear graphs and high-quality visuals.
- Simple and easy-to-use app that provides quick insights into device status.
- Provides a lot of useful information to understand the device at a glance.

### Cons

- Intrusive ads and deceptive ad mechanics (full-screen ads, noisy videos, difficult to dismiss).
- Scammy install/onboarding experience that can mislead users.
- Forced rating prompts on first launch with no easy skip option.
- Limited metrics: only a few charts (RAM, network, battery) and no CPU usage data or long-term/background data support.
- Not consistently compatible with newer Android versions (reports of not working on latest releases).

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- [System Monitor](https://chrome-stats.com/d/com.dev.system.monitor) — 36,417 users, 3.40 / 5
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Source: [Chrome-Stats](https://chrome-stats.com/d/com.ddm.activity)