Thermals is a diagnostic utility that monitors iOS thermal states to help users identify causes of performance throttling, slow charging, and screen dimming. It provides visibility into processor activity and system uptime to assist in troubleshooting hardware behavior and potential manufacturing defects.
Overview · Full Intel report in progress
The App DNA
What makes this app unique?
For Power users and developers looking to diagnose iOS device performance and thermal management issues.
What does it look like?
Key features
Displays the current thermal status of the device to explain performance or charging limitations.
Reports the number of active processors to help identify potential hardware defects.
Provides data on device uptime as reported by the iOS system.
Records thermal data points in the background when Background App Refresh is enabled.
How much does it cost?
Velocity
Who built it?
George Garside
7 apps tracked · Developer Tools
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Lighthouse ScoreUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Thermals
How's the Developer Tools market?
The rivals identified
By Fast-Devs Project
Both are free diagnostic utilities targeting power users, competing directly for device monitoring usage on iOS.
- Device Monitor² spans watchOS, macOS, and visionOS; Thermals is iOS-only.
- Device Monitor² includes privacy and sensor oversight; Thermals focuses strictly on thermal states.
- Device Monitor² offers a widget-ready interface; Thermals relies on background data logging.
CPU Detector - Hardware InfoContender
Thermal StatusContender
CPU-x Dasher z Battery lifeContender
Usage - Device MonitorContender
Device Status⁺Contender
Device Monitor & DiagnosticsContender
Status MonitorContender
Device Kit: CPU x MonitorContender
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Thermals
Where is it heading?
Bottom line
Thermals serves as a specialized diagnostic tool for users to correlate iOS performance issues with real-time thermal and processor data.
Report last updated