# System Activity Monitors — Camera Info, Memory, Battery

> Comprehensive iOS device health monitor for memory, battery, storage, and camera. (iPhone/iPad app by Tekton Technologies (P) Ltd..)

- Source: https://appshunter.io/ios/app/system-activity-monitors/id386118145 (this page in markdown: same URL + `.md`)
- Developer: [Tekton Technologies (P) Ltd.](https://appshunter.io/developer/343534621)
- Category: Productivity, Utilities
- Price: Free with in-app purchases (on sale, was $2.99)
- Rating: 4.20/5 from 774 App Store ratings · 658 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 28 MB
- Languages: American English
- Released: 2010-11-01
- Data updated: 2026-08-27
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/system-activity-monitors/id386118145/reviews.md

## What is System Activity Monitors?

The System Activity Monitor stands out as the most inclusive health check application available on the App Store. It diligently tracks memory usage, battery performance, device details such as IP address and hardware address, provides battery tips, furnishes comprehensive system information, and indicates used space on your iOS device.

Now, it comes with enhanced camera information, offering detailed insights into your iPhone camera system, covering telephoto, wide, and ultra-wide lenses.

This app serves as a precise tool to monitor battery life, delivering timely tips that maximize your battery usage for an optimal and prolonged battery life.


KEY FEATURES:

1. Battery tips are shown to help save battery life while using the iPhone.

2. Tap battery to see the battery capacity for your favorite apps.

3. Shows the used and free space on your iPhone/iPod.

4. Shows the IP address acquired, and hardware address of your device.

5. Displays a long list of device information, like physical specs, hardware info, and many more.


These are the different views on the App.

Memory view:

Shows the used and free iPhone memory available as used by other apps. This is shown in an excellent speedometer animation view. Close out the other apps, and see the memory being reclaimed in this app, when the speedometer shows the free memory available increase.

This has an LED indicator with blue, green, yellow and red colors indicating the amount of memory being used. 

Battery view:

This view shows the battery available for discharge, how much time to recharge to make it full, and when it is charged to FULL, displays an indication, as "FULLY CHARGED", as opposed to quick charge. It has glow panels on the top to let you know, how much battery is available.

Tap the battery on the fill, to show the detailed break up of battery availability for 3G talk time, browsing, videos, games etc.

Animated battery charging with current flashes inside the battery.


Space used view:

This is shown as a pie-chart that presents the used and free space available on your iOS device.


Info view:

Now it shows a lot more device information, like system information, camera information, display, hardware and physical characteristics. It shows whether you device is connected to Wi-Fi or cellular and its IP address.

##   Few of our user TESTIMONIALS  ##
   $ Way cool   
   This is a terrific system tracker.     
         - Macquest

   $ Definitely get this App.!
     Love the cool dashboard. Tells you what's going on in the Apple brain in your iPad or iPhone. This App rules.
         - Battyguy

   $ Simple App !
      Great tool! Helps to keep your standby time ridiculously long and device running smoothly. 
      - Spader1969.

   $ I have tried many products like this one and so far I keep coming back to this one. 
      - Markeith3000

Subscription Info

Sysmon, our paid subscription product, is paid per year for annual subscriptions, per month for monthly subscriptions, and per week for weekly subscriptions.

Payment will be charged to iTunes Account at confirmation of purchase.

Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period.

Account will be charged for renewal within 24 hours prior to the end of the current period an annual subscription,  monthly subscription, and weekly subscription, as the case may be.

Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase

Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription, where applicable.”

Privacy policy and terms of use

https://tektontek.com/termsofuse.php

STAY UPDATED -

Website - https://sysmon.tektontek.com
Twitter - @AppLifeStyle
Facebook - facebook.com/tektontek

## Key features

- Memory usage tracking
- Battery performance monitoring
- Device IP and hardware address
- Battery saving tips
- Used and free space indicator
- Detailed camera information
- System and hardware specs

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Sysmon Pro | $6.99 | per month |
| Sysmon Pro | $3.99 | per 7 days |
| Sysmon Pro | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Real Time Graphs | $2.99 | one-time |


## What do users think of System Activity Monitors?

Overall sentiment: neutral

**Pros**

- 💯 Excellent app
- 🎆 Great app
- 🔒 Respects privacy
- 🔋 Helpful battery tips
- 👍 Simple and straightforward
- 🎨 Beautiful design
- 🔍 Provides useful information

**Cons**

- 🐛 Buggy updates
- 💰 Subscription-based model
- 🔒 Privacy concerns due to required login
- 🔍 Limited functionality for free version
- 🔍 Inaccurate device information
- 🔍 Lacks advanced features

**Commonly reported bugs**

- Crashes on certain devices
- Login/registration issues
- Incorrect memory/CPU usage reporting

**Most requested features**

- Ability to close/manage running apps
- More detailed app-level usage breakdown
- Dark mode option
- Widgets for quick access
- Ability to reclaim memory/free up storage

## Recent user reviews (10 of 658)

All indexed reviews: https://appshunter.io/ios/app/system-activity-monitors/id386118145/reviews.md

### 1/5 — era grátis

*2026-07-29, version 4.0.9*

era grátis agora agora não dá pra usar sem fazer uma conta

### 1/5 — iPhone 17 pro

*2026-07-25*

Despite payment the device is not updated to Pro version

### 4/5 — 🎆

*2026-01-04, version 4.0.9*

💯

### 3/5 — The needle is reserved

*2025-11-26, version 4.0.9*

On my iPhone, it points to 20% or so. That couldn’t be how much memory is being in used.

### 1/5 — Cannot run it for free

*2025-11-23, version 4.0.9*

without an account. Jesus.

### 3/5 — New version is buggy

*2025-10-30, version 4.0.9*

I have a new phone. This app has become a yearly subscription. When attempting to register my account,  the @ is not permitted. Without it, the email is not valid.

### 1/5 — Nur mit Abo nutzbar

*2025-10-06*

Sinnlos - geht nur mit einem Abo… nicht zu empfehlen !!

### 1/5 — Just Frosting no cake

*2025-07-08, version 4.0.9*

Graphical interface without useful purpose or functionality. A total waste of time and $

### 5/5 — Good

*2025-03-28, version 4.0.8*

Good

### 2/5 — Why do we need an account now??

*2025-01-14, version 4.0.7*

Now happy about this. Used this app for years.

## Frequently asked questions about System Activity Monitors

### What does the System Activity Monitor app do?

This app provides a comprehensive health check for your iOS device. It diligently tracks memory usage, battery performance, device details like IP and hardware addresses, and displays used space. It also offers detailed camera information and battery-saving tips to optimize your device's longevity.

### What are the key features of this app?

Key features include monitoring memory usage with an LED indicator, detailed battery capacity breakdown for different app types, a pie-chart view of used and free storage space, and extensive device information including system, camera, display, and hardware characteristics. It also provides battery tips to help save power.

### Is this app free to use?

The application is available for free download and use. However, it does offer a paid subscription product called Sysmon, which provides annual and monthly subscription options for enhanced features or an ad-free experience.

### What devices is this app compatible with?

The app is designed for iOS devices, including iPhones and iPods. It provides specific information relevant to the iOS operating system and hardware.

### How can this app help me save battery life?

The app offers specific battery tips to help conserve power while using your iPhone. It also allows you to see the battery capacity used by your favorite apps and provides insights into how much time is remaining for different activities like 3G talk time, browsing, and games.

## Version history (last 5 releases)

### 4.0.9 — 2025-06-03

Still here. Still awesome. Just keeping things fresh.

### 4.0.8 — 2025-01-26

Improved camera information screens

### 4.0.7 — 2024-11-28

Revamped UI for a sleeker experience.
Resolved minor bugs for smoother performance.

### 4.0.6 — 2024-10-30

Updated device information for the iPhone 16 series.

### 4.0.5 — 2024-10-22

Fixed minor issues

## Apps similar to System Activity Monitors

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [CPU-x Dasher z Battery life](https://appshunter.io/ios/app/cpu-x-dasher-z-battery-life/id1359763765) | 4.6 (22,937) | Free | Productivity |
| [Battery Max - Tips for battery](https://appshunter.io/ios/app/battery-max-tips-for-battery/id411266835) | 3.8 (12) | Free | Productivity |
| [Battery Life Alarm & Reminders](https://appshunter.io/ios/app/battery-life-alarm-and-reminders/id1291735101) | 3.2 (102) | Free | Productivity |
| [Battery Test](https://appshunter.io/ios/app/battery-test/id1531831437) | 2.1 (20) | Free | Productivity |
| [System utility! monitor status](https://appshunter.io/ios/app/system-utility-monitor-status/id1014314268) | 2.6 (5) | Free | Productivity |
| [PowerBoost: Battery Saver Pro](https://appshunter.io/ios/app/powerboost-battery-saver-pro/id6547845173) | — | Free | Productivity |

## More apps by Tekton Technologies (P) Ltd.

- [Battery Max - Tips for battery](https://appshunter.io/ios/app/battery-max-tips-for-battery/id411266835)
- [Easy Spending Budget](https://appshunter.io/ios/app/easy-spending-budget/id437238261)
- [Easy Spending Budget.](https://appshunter.io/ios/app/easy-spending-budget/id459019300)
- [Orderly Check Lists](https://appshunter.io/ios/app/orderly-check-lists/id506632088)
- [Magnifying Glass & Flashlight](https://appshunter.io/ios/app/magnifying-glass-and-flashlight/id508627598)

All apps by Tekton Technologies (P) Ltd.: https://appshunter.io/developer/343534621

## Related topics

[system activity monitor](https://appshunter.io/ios/topics/system-activity-monitor) · [system tools](https://appshunter.io/ios/topics/system-tools) · [systemic](https://appshunter.io/ios/topics/systemic) · [system activity monitors](https://appshunter.io/ios/topics/system-activity-monitors) · [system monitoramento](https://appshunter.io/ios/topics/system-monitoramento) · [sheenplus battery](https://appshunter.io/ios/topics/sheenplus-battery) · [activity monitor](https://appshunter.io/ios/topics/activity-monitor) · [system status pro](https://appshunter.io/ios/topics/system-status-pro)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*