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iStatistica Core vs Power Monitor: catalog facts
iStatistica Core	Power Monitor
Free The product page lists a download and no price.	Free Free and open source under the Apache 2.0 licence.
macOS	macOS
Per-core frequency for P-cores, E-cores and GPU CPU, GPU and NPU power draw history	Real-time power consumption readings Carbon footprint estimate based on location
Apple Silicon Macs only Requires macOS 13 or later	macOS only No formal GitHub releases
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.