SYS Activity Manager vs Device Info
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SYS Activity Manager
Monitor your device's background processes, battery life, and network activity. This app provides insights into memory usage, disk space, and connection statuses, helping you diagnose network issues and optimize performance. It's designed for both expert and non-expert users.
- Monitor background processes and apps
- Track device battery life and charging status
- Analyze network connection and speed
- Summarize disk usage
- Visualize memory allocation
- Diagnose network problems
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• Learn about which Background Processes and Apps are running • Monitor iPad, iPod, iPhone Battery Life • Monitor LTE, 3G and WiFi network and speed • Summarizes your disk usage • Helpful tool to diagnosis network problem by connection status. • iOS 8 and iPhone 6 support • It is the application designed for Expert and Non-expert. The key features of this application include effectively taking care of network identification and bandwidth testing, see battery life and many more. Using “SYS Activity Manager” regularly will help you to monitor the battery life, test the WiFi/3G network. The new version of “SYS Activity Manager” is an universal application so you can use it in any device within iPhone, iPod Touch and iPad. Users Review: • Since I installed this app I have seen a huge difference in my battery life. it's an awesome app to have. - By p0ppetz • This app works nicely and I have noticed improvements in the operation of my iPhone already. - By brettwad Key Features: Memory (RAM) • Easy understanding of device memory status. • Visualization of Wired, Active, Inactive, Free memory allocation. Process • List display of running Background Applications and other System Processes. • How to close/manage Background Apps. Battery • Multiple visual displays detailing battery status and use. • Alarms to indicate charging status complete w/ accurate ‘time-to-charge’ displays. • 100% charge notification, effective when you are on a rush. • Full charge notification to prevent over-charging. • Configurable Full Charge & battery Maintenance alerts. • Tips on maximizing battery life when power not available. Note: Please discharge you battery at level 10% and complete full charge to adjust battery health first time. Disk • Visualization of disk space status and usage. Network • Detecting cellular data network & Wi-Fi network connection statuses. • IP & MAC Address display when available. • Internet connection speed test.
Device Info
Access comprehensive details about your mobile device. View information such as brand, carrier, device ID, storage capacity, and power status.
- Device brand and type
- Carrier information
- Device ID
- Free storage space
- Power state
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DeviceInfo gives you a complete, real-time look at the hardware and system behind your phone or tablet — no clutter, no account, no cost. Tap a tab and instantly see what your device is made of. OVERVIEW • CPU architecture and live core frequencies • Memory (RAM) usage • Storage at a glance • Display resolution, logical size, pixel density, refresh rate and brightness • Network status and connection type BATTERY • Charge level and power state • Battery health and technology • Temperature, voltage and current • Capacity vs. design capacity • Charge cycle count • Low Power Mode status NETWORK • Wi-Fi, cellular and ethernet detection • Carrier and network generation (5G / 4G / LTE) • Public IP, ISP and approximate location • Local IP address, link speed and frequency • Internet reachability and VoIP support STORAGE • Total capacity, used and available space • Clear visual breakdown SENSORS • Live accelerometer and gyroscope readings (X / Y / Z) • Ambient light sensor • Step counter Plus a clean light/dark mode that adapts to your style. Whether you're buying a used phone, benchmarking hardware, checking battery wear, or just curious about your device, DeviceInfo puts every spec at your fingertips. Download free today.
Screenshots
Verdict
The clearest difference is review sentiment: SYS Activity Manager at 42% against Device Info's 0%. SYS Activity Manager also leads on ads (none vs shown) and rating (2.6 vs 2.3). Device Info's advantage is update cadence (every 2 months vs every 4 months). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
SYS Activity Manager holds the better App Store score, 2.6 against 2.3. That said, the two scores are not equally well evidenced: SYS Activity Manager has 89 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 42% of SYS Activity Manager's written reviews are positive against 0% of Device Info's.
SYS Activity Manager ships an update every 4 months, Device Info every 2 months. The most recent releases landed on October 9, 2026 and September 15, 2026 respectively.
| Parameter | SYS Activity Manager | Device Info |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (89 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 42.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 89 — better | 3 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 19 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Sohel Mazumder | DxT LLC |
Customer experience
SYS Activity Manager
Device Info
In-app purchases
SYS Activity Manager
No in-app purchases
Device Info
No in-app purchases
Questions
Is SYS Activity Manager free?
Is Device Info free?
Which has better reviews, SYS Activity Manager or Device Info?
Do SYS Activity Manager or Device Info have ads?
Which is updated more often, SYS Activity Manager or Device Info?
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