System Guard vs ThermoHammer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
System Guard
Gain deep insights into your iPhone, iPad, or Apple Watch. Monitor device health, storage, battery, and network status with clear explanations and historical data. Perform hardware diagnostics and optimize your device's performance.
- Device status overview
- Detailed battery health and history
- Comprehensive hardware specifications
- Storage management and optimization
- Network analysis and speed tests
- Hardware diagnostic tests
- Home/Lock Screen widgets and Siri integration
Read full descriptionHide full description
Know your iPhone, iPad and Watch inside out. System Guard shows what your device is, how it is doing right now and whether anything needs your attention - in plain language, with every figure explained. ► AT A GLANCE • One status card: storage, memory, temperature, Low Power Mode, passcode and whether a newer iOS is available for your model • CPU, memory, storage and power as live tiles • Tap any value for a clear explanation of what it means ► BATTERY HEALTH • Real capacity and charge cycles, read from the diagnostics file iOS writes on your device • Your iPad, Apple Watch or a second iPhone too: import their files and see each device under its own name, with this device first • Charts of capacity, cycles and your daily charge range (Pro) • Sync your readings with iCloud across your devices (Pro) • A step-by-step guide to find the file, and a weekly reminder if you like ► EVERY DETAIL OF YOUR DEVICE • Model, chip, GPU, memory, display, cameras, sensors, audio and security • Storage: total, used, free - and what iOS can free up by itself • Compare your device with any other iPhone or iPad ► HISTORY AND ALERTS • Storage, memory and temperature over days and weeks, with charts you can zoom and scroll • A notification before you run out of storage, and when a new iOS version is out ► NETWORK • Connection, addresses, VPN, DNS and cellular technology (LTE, 5G) • Live traffic, and your data use today, yesterday and over 7 and 30 days • Wi-Fi name and access point, and the router • Find the devices on your Wi-Fi network: printers, speakers, TVs and more • Speed test: latency, download and upload ► HARDWARE CHECK-UP • 16 tests: display, touch, speakers, microphone, haptics, vibration, cameras, Face ID or Touch ID, sensors, buttons and more • Ideal before buying or selling a used device • Export a device report as PDF, text or JSON ► WIDGETS, CONTROLS, WATCH AND SHORTCUTS • Home Screen and Lock Screen widgets for storage, memory, CPU and status • Control Center controls for the check-up and the speed test • Apple Watch app with the watch's own figures, your iPhone's status and complications • Shortcuts and Siri: ask for free storage, memory, CPU load and more ► SYSTEM GUARD PRO One purchase, no subscription. Removes all ads and unlocks History and alerts, the full check-up, the network details and the speed test, the devices on your network, the battery charts and full battery details, more devices in Battery health, iCloud sync, the device report, and every widget and Shortcut. ► PRIVACY System Guard reads only what iOS makes available to every app, never changes anything on your device and needs no account. Your history and battery readings stay on your device, unless you sync the battery readings with your own iCloud, which only you can see. The free version shows ads; you can choose non-personalized ads at any time.
ThermoHammer
Read full descriptionHide full description
Evaluate your device's stability under sustained workloads, monitor thermal regulation safely, and see how you rank on the global leaderboard with ThermoHammer. Designed as a diagnostic tool for power users, developers, and hardware enthusiasts, ThermoHammer safely analyzes how your device manages processing efficiency under standard, continuous multi-threaded tasks. It helps you understand your hardware's capabilities, thermal dissipation, and peak vs. sustained performance over time. Do you experience frame drops during intensive tasks or long productivity sessions? ThermoHammer visualizes exactly how your device’s operating system manages efficiency to maintain optimal hardware health. ### KEY FEATURES: - **Real-Time Efficiency Graph:** Watch your device's performance curve in real-time. See clearly how the system dynamically regulates its processing power to manage heat. - **Global Comparison Leaderboard:** Submit your benchmarking scores and compare your device’s sustained performance (GIPS) against other users worldwide. Check how your specific model ranks in the global database. - **Accurate GIPS Tracking:** Track performance in GIPS (Giga Instructions Per Second) to capture objective, high-precision performance metrics. - **Three Standard Test Intervals:** Run structured, highly controlled tests of 5, 15, or 30 minutes to observe performance behavior over short, medium, and long durations. - **Thermal Design Evaluation:** See how different environmental temperatures or protective cases impact your device's natural heat dissipation. - **Clean, Data-Focused UI:** Minimalist and non-intrusive. Get straight to the diagnostics with clear, readable data visualization. ### SAFE & SYSTEM-COMPLIANT BENCHMARKING: ThermoHammer is engineered with hardware safety as our top priority. The app acts as a standard diagnostic utility, running standard arithmetic calculations completely within the operating system's built-in thermal and power-management safeguards. ThermoHammer does not bypass system limits, modify hardware settings, or override core safety parameters. It simply measures how the device's native thermal throttling protects the hardware during normal, sustained computational tasks. A stable, flat graph indicates highly efficient thermal design, while a gradual curve shows the system’s protective features working exactly as designed. Download ThermoHammer today to understand your device's performance characteristics and join the global leaderboard!
Screenshots
Verdict
The clearest difference is in-app purchases: ThermoHammer at none against System Guard's 1. ThermoHammer also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). On price, device support and iOS requirement 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 Guard sells 1 one-off in-app purchase. ThermoHammer asks for nothing beyond the download.
System Guard ships an update weekly, ThermoHammer every 3 days. Both last shipped on October 29, 2026.
| Parameter | System Guard | ThermoHammer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (978 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 978 — better | — |
| Update frequency | Weekly | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 188 MB |
| Age rating | 4+ | 4+ |
| Developer | RBT Digital LLC | Gogita Kupatadze |
In-app purchases
System Guard
- System Guard Pro$2.99
ThermoHammer
No in-app purchases
Questions
Is System Guard free?
Is ThermoHammer free?
Do System Guard or ThermoHammer have ads?
Which is updated more often, System Guard or ThermoHammer?
Other comparisons















