Clue vs Premom 2026: Privacy, Features & Price Compared

Clue and Premom serve different needs. Clue is a general-purpose cycle tracker focused on scientific accuracy, data-driven predictions, and clean analytics. Premom is a fertility-focused app popular in the trying-to-conceive (TTC) community for its ovulation prediction kit (OPK) test strip reader.

Clue appeals to users who want to understand their cycle with research-backed intelligence. Premom appeals to users actively trying to get pregnant who want tools to optimize their fertile window.

The key differentiator between them isn't features — it's trust. Clue has maintained a clean privacy record under GDPR. Premom was charged by the FTC for sharing fertility data with third parties including China-based firms. For users tracking their most sensitive health data, that distinction is decisive.

The privacy contrast between Clue and Premom is among the starkest in the industry.

Clue operates under GDPR in Berlin, stores data on EU servers, and has never been involved in a major privacy scandal. No FTC actions, no breaches, no documented data sharing. Clue represents what a privacy-conscious cloud-based health app looks like.

Premom's record is the opposite. In May 2023, the FTC charged Easy Healthcare with sharing fertility data — including ovulation test results — with Google, AppsFlyer, and two China-based firms (Umeng/Alibaba and Jiguang/Aurora Mobile). Undisclosed to users. Premom also violated the Health Breach Notification Rule. For users tracking ovulation and fertility, this was an extraordinary betrayal.

Between these two, Clue is the obvious choice for privacy. But even Clue's strong posture relies on policy, not architecture. PinkyBloom's zero-knowledge approach means no servers, no accounts, no cloud — privacy that doesn't depend on any company's policies or any government's regulations.

Clue's strengths are cycle analytics: research-backed predictions, custom tags, the Analysis tab, Conceive mode (Plus tier), and CE medical device certification. It's thorough and data-driven.

Premom's standout feature is OPK strip photography — take a picture of your ovulation test and get an AI reading. Beyond that, it offers BBT charting and basic cycle predictions. For TTC users, the OPK reader is genuinely useful.

Neither offers AI-powered conversational features, voice logging, or predictive mood forecasting. Both rely on manual input for all tracking.

PinkyBloom doesn't have OPK strip photography, but its AI handles everything else and more. Voice logging lets you say "positive OPK today" instead of photographing strips. AI mood forecasts, doctor visit reports, and encrypted partner sharing provide a more complete fertility tracking experience than either Clue or Premom.

Clue Plus costs $39.99/year. Premom's premium costs ~$49.99/year. Both have more limited free tiers. Over three years: Clue ~$120, Premom ~$150.

Clue's price buys clean analytics and GDPR compliance. Premom's price buys OPK reading and a product under FTC consent order. Neither is free, and neither keeps your data on-device.

PinkyBloom is free forever. Every feature included. No subscription, no ads. More AI capabilities than both apps combined, with privacy that surpasses even Clue's strong GDPR posture.