Clue - App Review

Key Takeaways
Period & Ovulation Tracking: Clue allows users to track periods, ovulation, PMS, and over 30 health indicators. It’s well-designed for those managing cycles, with evidence-based reminders and content.
Data Privacy: While Clue states it is GDPR-compliant and stores data in Germany, its policy still permits some third-party processors.
User Experience: Clean, inclusive design with gender-neutral language and intuitive navigation.
Verdict: A well-designed and research-supported app, though privacy practices could be more transparent.

Medical Integrity
Score: ⭐⭐⭐☆☆
Clue provides medically reviewed content and collaborates with researchers. However, there’s a lack of transparency around which medical professionals are actively involved and how often the medical data is updated.
Doctor’s Note: While Clue performs better than many apps in this space, the medical oversight still doesn’t reach clinical-grade transparency.

Ethical Standards
Score: ⭐⭐⭐☆☆
Users are prompted for consent, and Clue avoids gendered assumptions, making it ethically strong. However, vague policy language around partnerships limits full ethical clarity.
Doctor’s Note: Good baseline ethics, but we’d like to see more commitment to true informed consent and less ambiguity in data sharing agreements.

Data Privacy & Protection
Score: ⭐⭐☆☆☆
Despite GDPR compliance and data storage in Germany, Clue allows third-party data processing. It does not clearly state how users can completely delete or export data.
Doctor’s Note: The lack of full data control and vague third-party terms reduces trust—this area needs stronger transparency.

Review updated 29/4/25- ⭐⭐⭐⭐☆Clue app reached out to provide more detail of their policies. They do not share data with 3rd parties, their data for research is anonymysed and they use similar software to other apps. Their score in this section was updated to 4 stars however, they still do not meet the 5 star requirements.

UX & Accessibility
Score: ⭐⭐⭐⭐☆
User interface is intuitive and supports multiple gender identities. Accessibility for neurodivergent users and those with visual impairments could be improved.
Doctor’s Note: An excellent user experience with room to grow in inclusive accessibility tools.

Behavioral Impact
Score: ⭐⭐⭐☆☆
Clue avoids predatory health nudges, though some features are locked behind a paywall that might limit usefulness for those managing complex symptoms.
Doctor’s Note: Fairly low-pressure app with good intent, though premium nudges can unintentionally influence health behaviors.

Final Score: ⭐⭐⭐☆☆ (3 out of 5 stars)

Verdict
Clue remains a leading choice for those wanting a clean, research-backed cycle tracker. However, concerns about data privacy and a need for greater medical transparency keep it from a higher rating.

Review Notes
This review is based on the app’s performance as of 07/04/2025. If the app undergoes significant updates or improvements, the developers are welcome to reach out for a re-evaluation, which may lead to a higher score and potentially a SheRanked Doctor’s Approval Badge.

Reviewed by: Dr Christina Davies, SheRanked Doctor-led Review
Review Date: 07/04/2025- updated 29/4/25

Medical Disclaimer
This review is for informational purposes only and should not be considered medical advice.

Official Website: https://helloclue.com