Comparison

System Activity Monitors vs Authenticator °

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

Authenticator °

This app enhances your online security by generating time-sensitive passwords for two-factor and multi-factor authentication. It offers seamless data synchronization across devices, Apple Watch support, and robust encryption for your sensitive information.

Highlights
  • One-Time Passwords (OTP)
  • Seamless Data Synchronization
  • Apple Watch Support
  • End-to-End Encryption
  • Import/Export Encrypted Backups
  • Auto-Lock & Biometric Authentication
Features
Read full description

Cutting-edge security meets convenience: Authenticator° is the ultimate iOS app designed to make your digital life safer and hassle-free. Now supporting Apple Watch, we safeguard your accounts across Twitter, Reddit, LinkedIn, Instagram, TikTok, Amazon, Facebook, Dropbox, and more, providing an unparalleled layer of protection. Key Features: • One-Time Passwords (OTP) – Boost your account security with two-factor or multi-factor authentication, using unique, time-sensitive passwords generated on-demand. • Seamless Data Synchronization – Sync your authentication data across multiple devices effortlessly, ensuring you have access to your accounts whenever you need them. • Apple Watch Support – Your one-time passwords are now a glance away. Enjoy seamless integration with your Apple Watch for quick, convenient authentication. • End-to-End Encryption – Enjoy peace of mind knowing your sensitive information is protected with the highest level of encryption, keeping your data secure from prying eyes. • Import/Export Encrypted Backups – Create private, encrypted backups of your data and effortlessly import or export them to ensure your information is always safe and accessible. • Auto-Lock & Biometric Authentication – Tailor the auto-lock time to your needs and use Touch ID or Face ID for seamless access to your accounts without compromising security. • No Account Required – There's no need to create a separate account for Authenticator°. Simply sign in with your Apple ID for data syncing and iCloud backups or opt for "device only" mode to keep your data exclusively on your device. With Authenticator°, you'll never have to worry about the security of your online accounts again. Take control of your digital life and keep your information safe from hackers and identity thieves with the ultimate authentication app. Download Authenticator° today and experience a new level of online security and convenience. Authenticator° subscription: Authenticator° Premium unlocks features like Data Sync Across Devices, End-to-End Data Encryption, Unlimited Tokens, and Encrypted File Export/Import. Available plan pricing is shown in the app before purchase. Payment will be charged to your App Store account at confirmation of purchase, and subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or turn off auto-renewal in your account settings after purchase. See the instructions here: https://support.apple.com/en-us/HT202039 You can read the terms of use and privacy policy here: https://kapi90.github.io/authenticator_privacy_policy.html End User License Agreement (EULA) of the App Store applies: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

System Activity Monitors4 screens
Authenticator °4 screens

Verdict

The call

The clearest difference is rating: Authenticator ° at 4.8 against System Activity Monitors's 4.2. Authenticator ° also leads on update cadence (every 2 weeks vs every 3 months). System Activity Monitors's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, ratings volume and ads 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 Authenticator ° sells 14 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Authenticator ° holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 774 and 594 respectively. Written reviews split almost evenly too, at 76% and 77% positive.

UpkeepUpdate frequency

System Activity Monitors ships an update every 3 months, Authenticator ° every 2 weeks. The most recent releases landed on October 1, 2026 and August 10, 2026 respectively.

Scorecard3 real differences · 7 level
System Activity Monitors versus Authenticator °: the parameters behind the verdict, then further details
ParameterSystem Activity MonitorsAuthenticator °
PriceFreeFree
Rating4.2 (774 ratings)4.8 (594 ratings) — better
Positive reviews76.0% of reviews76.7% of reviews — better
Number of ratings774 — better594
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS13.0 — better15.0
Further details — not scored
Size28 MB55 MB
Age rating4+4+
DeveloperTekton Technologies (P) Ltd.Bence Kaposzta

Customer experience

System Activity Monitors

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

Authenticator °

All ratings594 ratings
Positive94.4%
Neutral3.0%
Negative2.5%
Written reviews103 reviews
Positive76.7%
Neutral7.8%
Negative15.5%

User reviews

System Activity Monitors

From 774 App Store ratings

What we love

  • 💯 Excellent app
  • 🎆 Great app
  • 🔒 Respects privacy
  • 🔋 Helpful battery tips
  • 👍 Simple and straightforward

Room to improve

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

Authenticator °

From 594 App Store ratings

What we love

  • 👍 Easy to install and use
  • 🔒 Secure password management
  • 🚀 Efficient and fast
  • 👍 Great user interface
  • 🔒 Robust security features

Room to improve

  • 🐛 Occasional crashes or bugs
  • 🔒 Concerns about cloud storage security
  • 🤔 Forced 5-star review before use
  • 🤔 Unclear or confusing onboarding process

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

Authenticator °

Reported bugs

3 issues
  • List of saved sites/accounts disappearing
  • Trouble logging in or resetting password
  • Incompatibility with older devices

Requested features

4 requests
  • Allow renaming of accounts
  • Add pop-up notifications like other authenticators
  • Improve sync with desktop/laptop
  • Provide more theme/customization options

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
14 purchases

Authenticator °

Subscriptions11
  • Monthly7 Days trial$9.991 Month
  • Monthly$9.991 Month
  • Monthly3 Days trial$9.991 Month
Show 8 more
  • 3 Month$12.993 Months
  • 1 Year, 50% off$19.991 Year
  • 1 Year Discounted$22.991 Year
  • 1 Year, 30% off$27.991 Year
  • 1 Year with initial offer1 Month trial$34.991 Year
  • Annual subscription7 Days trial$39.991 Year
  • 1 Year$39.991 Year
  • 1 Year3 Days trial$39.991 Year
One-time3
  • Free Lifetime subscriptionFree
  • Lifetime, intro offer$0.29
  • Lifetime$59.99

Questions

Is System Activity Monitors free?
System Activity Monitors is free to download, with in-app purchases available.
Is Authenticator ° free?
Authenticator ° is free to download, with in-app purchases available.
Which has better reviews, System Activity Monitors or Authenticator °?
Authenticator ° is rated higher. System Activity Monitors averages 4.2 out of 5 from 774 ratings, while Authenticator ° averages 4.8 from 594 ratings.
Do System Activity Monitors or Authenticator ° have ads?
Neither System Activity Monitors nor Authenticator ° shows ads.
Which is updated more often, System Activity Monitors or Authenticator °?
System Activity Monitors ships an update every 3 months, and Authenticator ° every 2 weeks. Most recently, System Activity Monitors was updated on October 1, 2026 and Authenticator ° on August 10, 2026.

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