System Activity Monitors vs iChecker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
System Activity Monitors
Monitor your device's health with this comprehensive tool. Track memory, battery performance, storage, and network details. Get detailed camera information and helpful battery-saving tips to optimize your iPhone.
- 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
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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
iChecker
Monitor your iOS device's RAM and disk space usage. It also helps manage your contacts by detecting and merging duplicates, and cleaning up empty entries. The app can also find and remove duplicate photos to free up storage.
- Check RAM usage percentage
- View free disk space
- Detect and merge duplicate contacts
- Remove contacts without name/email
- Analyze and clean duplicate photos
- Refresh data button
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This app will check your iOS devices by it's RAM usage status, indicates the RAM in percentage. Also, this app will check your iOS devices Disk Size to let you know how much free disk space is available in your Phone. Cool Design, simply open the app to check your FREE RAM & Disk Space! For your convenience, we have added Refresh button to make sure you're having the correct data. The APP analyzes duplicate similar pictures in the album, displays them in groups and can be cleaned in one click, saving your phone space. Your contacts are the most important data in your phone which easily becomes messy if not consistently updated. This app easily helps you detect and merge duplicate contacts, remove contacts without name or email. Your contacts will not be uploaded to a third-party server.
Screenshots
Verdict
The clearest difference is review sentiment: System Activity Monitors at 76% against iChecker's 25%. System Activity Monitors also leads on rating (4.2 vs 3.6) and ads (none vs shown). iChecker's advantage is iOS requirement (9.0 vs 13.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. System Activity Monitors sells 4 in-app purchases, starting at $3.99 per 7 days and iChecker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
System Activity Monitors holds the better App Store score, 4.2 against 3.6. That said, the two scores are not equally well evidenced: System Activity Monitors has 774 ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 76% of System Activity Monitors's written reviews are positive against 25% of iChecker's.
System Activity Monitors ships an update every 3 months, iChecker every 2 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.
| Parameter | System Activity Monitors | iChecker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (774 ratings) — better | 3.6 (54 ratings) |
| Positive reviews | 76.0% of reviews — better | 25.0% of reviews |
| Number of ratings | 774 — better | 54 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Tekton Technologies (P) Ltd. | 泽辉 王 |
Customer experience
System Activity Monitors
iChecker
Bugs and requests
System Activity Monitors
Reported bugs
3 issues- Crashes on certain devices
- Login/registration issues
- Incorrect memory/CPU usage reporting
Requested features
5 requests- 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
iChecker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
System Activity Monitors
- Sysmon Pro$3.997 Days
- Sysmon Pro3 Days trial$6.991 Month
- Sysmon Pro7 Days trial$29.991 Year
- Real Time Graphs$2.99
iChecker
- Permanently Remove ads$1.99
Questions
Is System Activity Monitors free?
Is iChecker free?
Which has better reviews, System Activity Monitors or iChecker?
Do System Activity Monitors or iChecker have ads?
Which is updated more often, System Activity Monitors or iChecker?
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