Groundwork's listing describes an iPhone journal with thought records, values check-ins and behavioral experiments. It states that journal entries remain on the device and that the app is not therapy or a diagnostic tool.
Finch's official site presents a self-care app built around caring for a virtual companion.
Choose by the interaction you find usable rather than implying one presentation is a clinical treatment. Groundwork's listing describes written CBT-style structure and device-local entries, while Finch's official presentation centers on a companion. The NHS describes CBT as a talking therapy involving a therapist; an independent worksheet or app comparison does not show equivalent care. Review privacy and current terms directly for either product.
Comparison based on current official descriptions, not hands-on testing of the competing product. Prices, subscription eligibility and feature availability can change.