Comparison

System Activity Monitors vs Battery Test

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Battery Test

This app, paired with specific hardware testers, provides quick health checks for vehicle batteries and electrical systems. It allows technicians to view accurate test results and understand the condition of batteries, starters, and generators.

Highlights
  • Vehicle battery health check
  • Electrical system testing
  • Starter and generator analysis
  • Accurate test result viewing
  • Hardware tester integration
Features
Read full description

The Battery Test app, together with the lightweight battery and electrical system tester BT508,BT506 or BT1 Lite provides a quick health check of the vehicle’s battery and electrical systems. This free and easy-to-use mobile app enables technicians to view more accurate test results and learn about the true health of their batteries, starters and generators.

Screenshots

System Activity Monitors4 screens
Battery Test4 screens

Verdict

The call

The clearest difference is review sentiment: System Activity Monitors at 76% against Battery Test's 0%. System Activity Monitors also leads on rating (4.2 vs 2.1) and ratings volume (774 vs 20). On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. System Activity Monitors sells 4 in-app purchases, starting at $3.99 per 7 days and Battery Test sells 21 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

System Activity Monitors holds the better App Store score, 4.2 against 2.1. That said, the two scores are not equally well evidenced: System Activity Monitors has 774 ratings behind it against 20, 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 0% of Battery Test's.

UpkeepUpdate frequency

System Activity Monitors ships an update every 3 months, Battery Test every 2 months. The most recent releases landed on September 7, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
System Activity Monitors versus Battery Test: the parameters behind the verdict, then further details
ParameterSystem Activity MonitorsBattery Test
PriceFreeFree
Rating4.2 (774 ratings) — better2.1 (20 ratings)
Positive reviews76.0% of reviews — better0.0% of reviews
Number of ratings774 — better20
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size28 MB108 MB
Age rating4+4+
DeveloperTekton Technologies (P) Ltd.Autel Intelligent Technology Co., Ltd.

Customer experience

System Activity Monitors

All ratings774 ratings
Positive79.6%
Neutral5.6%
Negative14.9%
Written reviews658 reviews
Positive76.0%
Neutral7.6%
Negative16.4%

Battery Test

All ratings20 ratings
Positive25.0%
Neutral5.0%
Negative70.0%
Written reviews10 reviews
Positive0.0%
Neutral10.0%
Negative90.0%

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

Battery Test

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

System Activity Monitors

Subscriptions3
  • Sysmon Pro$3.997 Days
  • Sysmon Pro3 Days trial$6.991 Month
  • Sysmon Pro7 Days trial$29.991 Year
One-time1
  • Real Time Graphs$2.99
21 purchases

Battery Test

One-time21
  • Benz$12.99
  • Bmw$12.99
  • Dodge$12.99
Show 18 more
  • Ford$12.99
  • GM$12.99
  • Honda$12.99
  • Kia$12.99
  • Mazda$12.99
  • Nissan$12.99
  • YQ_VolksWagen$12.99
  • Zotye$12.99
  • ZAZ$12.99
  • Vaz$12.99
  • Subaru$12.99
  • Benz_Sprinter$12.99
  • Lexus$12.99
  • JEEP$12.99
  • Toyota$12.99
  • Mini$12.99
  • Chrysler$12.99
  • VolksWagen$12.99

Questions

Is System Activity Monitors free?
System Activity Monitors is free to download, with in-app purchases available.
Is Battery Test free?
Battery Test is free to download, with in-app purchases available.
Which has better reviews, System Activity Monitors or Battery Test?
System Activity Monitors is rated higher. System Activity Monitors averages 4.2 out of 5 from 774 ratings, while Battery Test averages 2.1 from 20 ratings.
Do System Activity Monitors or Battery Test have ads?
Neither System Activity Monitors nor Battery Test shows ads.
Which is updated more often, System Activity Monitors or Battery Test?
System Activity Monitors ships an update every 3 months, and Battery Test every 2 months. Most recently, System Activity Monitors was updated on September 7, 2026 and Battery Test on September 22, 2026.

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