Device Kit vs Phone Temperature Checker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Device Kit
Monitor your device's hardware performance in real-time with detailed CPU, memory, and battery usage. Access a suite of practical tools including weather, network diagnostics, and sensors. Visualize historical data with customizable charts and home screen widgets.
- Real-time CPU, memory, and battery monitoring
- Visual data charts for performance trends
- Picture-in-Picture mode for continuous monitoring
- Customizable home screen widgets
- Pro Toolbox with system, environment, and network tools
- Sensor data including compass and barometer
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Device Kit — Your iPhone's All-in-One Health Checker, Take Full Control of Your Device in Real Time! Ever wonder how hot your phone really is? How fast is it charging? Is your CPU about to max out? Is your network being throttled? Device Kit gives you the most intuitive, real-time, and comprehensive answers. ▸▸ Core Monitoring at a Glance ◂◂ CPU Temperature — Real-time device temperature with smart estimates for battery and body temperature. 6-level thermal warning system alerts you before your phone overheats. CPU Usage — Real-time CPU utilization monitoring with user/system/idle breakdowns, plus historical trend charts to track load changes. Network Speed — Real-time speed for both Wi-Fi and cellular networks. Monitor upload/download speeds, peak speeds, and daily data usage stats. Battery Status — Charge level, charging state, low-power mode, thermal status — full battery health insights. Memory & Storage — Used/total capacity with breakdowns, storage usage percentage — say goodbye to storage anxiety. ▸▸ Dynamic Island & Floating Widgets — Desktop Monitoring ◂◂ Dynamic Island Live Monitor — No need to open the app. While your phone is locked or you're using other apps, the Dynamic Island shows real-time CPU temperature, network speed, and CPU usage with live updates. Picture-in-Picture Floating Widget — A persistent floating window on your home screen monitors network speed, temperature, and CPU. Drag it anywhere, use it while doing other tasks — true desktop-level monitoring experience. Motion Tracker on Dynamic Island — While recording motion trajectory, the Dynamic Island displays real-time distance, duration, and speed. ▸▸ Charging Power Detection ◂◂ Real-time Power Estimation — Detects charging power (W) in real time, telling you whether it's slow charging, standard charging, or fast charging. Charging Speed Rating — Slow / Standard / Fast / Ultra — clear at a glance. Charging Statistics — Duration, peak power, and total energy charged — a complete charging report. History Log — Every charging session is automatically saved for later review and comparison. ▸▸ 18 Practical Tools ◂◂ 【System Tools】 Flashlight (9 blink modes with brightness adjustment), Haptic Feedback, Multi-Touch Test, Motion Tracker 【Network Tools】 Ping, Telnet, SSH (Pro) 【Utility Tools】 QR Code Generator, Decibel Meter, Password Generator 【Sensor Tools】 Compass, GPS, Gyroscope, Magnetometer, Barometer, Altimeter, Proximity Sensor 【Display Tools】 Color & Brightness Adjustment 【Environment Tools】 Weather (Pro) ▸▸ Home Screen Widgets ◂◂ Home Screen Widgets — Uptime, Weather, CPU, Temperature, Memory, Storage, Clock, Device Info, Quick Actions. Available in Small, Medium, and Large sizes. Lock Screen Widgets — Weather, Storage, Uptime — check key info without unlocking. 【Auto-Renewable Subscription Terms】 Pro membership is an auto-renewing subscription billed monthly or yearly. Payment will be charged to your Apple ID account upon confirmation of purchase. The subscription will automatically renew within 24 hours prior to the end of the current period unless auto-renew is turned off at least 24 hours before the end of the current period. To cancel, please turn off auto-renewal in Settings > Apple ID > Subscriptions at least 24 hours before the current period ends. You can manage or cancel your subscription anytime after purchase in your account settings. Any unused portion of a free trial period (if offered) will be forfeited when you purchase a subscription. 【Privacy Policy & Terms of Service】 Privacy Policy: https://device-kit.pages.dev/private Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Download Device Kit and keep your device under your complete control!
Phone Temperature Checker
Monitor your device's thermal status and receive one-tap cooling assistance. Optimize performance during gaming, charging, or heavy usage with live system insights and customizable cooling profiles.
- Live system status monitoring
- Temperature estimation (°C/°F)
- CPU, memory, and battery insights
- Home Screen widgets
- Live Activity / Dynamic Island integration
- Multiple cooling profiles
- Smart cooling tips
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Is your iPhone getting hot, laggy, or draining too fast? Phone Temperature HeatGuard is a free app that shows a live thermal estimate and helps you cool the device with one tap — built for gaming, charging, and all-day use. FREE FEATURES (INCLUDED WITH DOWNLOAD) • Live system status: Normal, Fair, Serious, Critical • Temperature estimate in °C or °F • CPU, memory, battery, and charging insights • Home Screen widgets so you can check heat without opening the app • Live Activity / Dynamic Island while cooling is on • Game, Battery, Hot!, and Quick cooling profiles • Boost Level 1 and smart cooling tips OPTIONAL IN-APP PURCHASE — HEATGUARD PRO HeatGuard Pro is not included with the free download. It requires a separate In-App Purchase (auto-renewable subscription). With HeatGuard Pro you can: • Unlock Boost levels 2–8 • Use advanced cooling controls • Get priority support SUBSCRIPTION DETAILS • HeatGuard Pro Weekly — auto-renewable In-App Purchase • HeatGuard Pro Yearly — auto-renewable In-App Purchase Payment is charged to your Apple ID after purchase confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel in your App Store account settings. Restore Purchases is available in the app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/sv56developer/privacy-policy Disclaimer: iOS does not expose hardware temperature sensors. Displayed temperatures are estimates based on Apple’s thermal state and on-device signals (CPU, charging, brightness, and cooling activity). This app cannot physically refrigerate your iPhone.
Screenshots
Verdict
Device Kit and Phone Temperature Checker both sit at 4.9 stars, but that hides the real split: 100% of Phone Temperature Checker's written reviews are positive against 77% of Device Kit's. Device Kit's advantage is ratings volume (93 vs 5). On price, rating, update cadence 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
Both are free to download. Device Kit sells 4 in-app purchases, starting at $3.99 per month and Phone Temperature Checker sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Device Kit against 5.0 for Phone Temperature Checker. That said, the two scores are not equally well evidenced: Device Kit has 93 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 77% of Device Kit's written reviews are positive against 100% of Phone Temperature Checker's.
Device Kit ships an update every 10 days, Phone Temperature Checker every 3 weeks. Both last shipped on October 31, 2026.
| Parameter | Device Kit | Phone Temperature Checker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (93 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 77.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 93 — better | 5 |
| Update frequency | Every 10 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 36 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Shuyang Fan Ziyang Software Development Studio (Individually Owned Business) | Ha Quyen Ho Thi |
Customer experience
Device Kit
Phone Temperature Checker
In-app purchases
Device Kit
- Monthly subscription$3.991 Month
- Yearly subscription$7.991 Year
- Lifetime Membership$12.99
- Lifetime Membership$14.99
Phone Temperature Checker
- CPU Cooler Pro Weekly$3.997 Days
- Phone Cooler Pro Yearly3 Days trial$34.991 Year
Questions
Is Device Kit free?
Is Phone Temperature Checker free?
Which has better reviews, Device Kit or Phone Temperature Checker?
Do Device Kit or Phone Temperature Checker have ads?
Which is updated more often, Device Kit or Phone Temperature Checker?
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