Comparison
Clue 与 Natural Cycles 2026：隐私、功能与价格比较
Our verdict
Clue is a science-backed period tracker with strong GDPR compliance at $39.99/yr. Natural Cycles is the only FDA-cleared contraceptive app at up to $149.99/yr plus hardware. Both store data in the cloud and charge subscriptions. PinkyBloom offers a built-in AI assistant, no account, and no ads.
Clue vs Natural Cycles vs PinkyBloom
| Feature | Clue | Natural Cycles | PinkyBloom |
|---|---|---|---|
| Price | $39.99/yr (Clue Plus) | ~$149.99/yr | Free |
| Data storage | Cloud (EU servers) | Cloud-based | Stored on your phone |
| FDA cleared | Yes (Class II) | ||
| CE medical device | Yes (Class 1) | Yes | |
| Hardware required | BBT thermometer or Oura Ring | ||
| AI assistant | Built-in AI assistant (Pinky) | ||
| Voice logging | |||
| Mood forecasts | |||
| Account required | Email required | Account required | No account needed |
| Ads | No ads | No ads | No ads ever |
| Partner sharing | Clue Connect (cloud) | E2E encrypted (PinkyBond) | |
| Doctor visit reports |
Overview
Clue 和 Natural Cycles 经常被比较，因为它们都将自己定位为科学严谨的替代品，取代大众市场的月经追踪器。Clue 由位于柏林的 BioWink GmbH 开发，强调基于研究合作的以数据为驱动的预测，并持有 CE 1 类医疗器械认证。Natural Cycles 由诺贝尔奖得主物理学家 Dr. Elina Berglund 创立，是唯一获得 FDA 批准的数字避孕应用（II 类，510(k) K173464）。
根本的区别在于范围。Clue 是一款周期追踪器，帮助您通过统计分析和自定义标签了解您的模式。Natural Cycles 是一款避孕工具，根据您的基础体温告诉您今天是排卵日还是非排卵日。Clue 是为了理解；Natural Cycles 是为了预防（或计划）怀孕。
对于在两者之间选择的用户，决定通常取决于您是否需要临床避孕（Natural Cycles）或更喜欢更广泛、更灵活的追踪工具（Clue）。两者设计良好，科学导向，并且都收取全功能的订阅费。
Privacy comparison
Both Clue and Natural Cycles have clean privacy records compared to apps like Flo or Premom. Neither has been involved in major data scandals. But both store your reproductive health data in the cloud, and both require accounts.
Clue operates under GDPR in Berlin and stores data on EU servers. They've publicly committed to not selling user data. For European users especially, this provides meaningful regulatory protection. However, cloud storage is cloud storage — your data exists on servers you don't control, tied to your email address.
Natural Cycles stores data in the cloud as well, and as an FDA-regulated medical device, it's legally required to retain certain user data for regulatory compliance. This means you can't fully delete your data even if you want to. Your BBT readings, sexual activity logs, LH test results, and fertility classifications all live on Natural Cycles' servers.
Both apps are "better than average" for privacy. PinkyBloom stores your cycle log on your phone, not in an account on our servers — no account, no regulatory retention, never sold, and partner sharing is end-to-end encrypted.
Features and intelligence
Clue 的优势在于灵活性和研究支持。自定义标签让您几乎可以追踪任何内容。分析标签提供对您记录数据的模式识别。Clue Plus 解锁高级预测和怀孕模式。界面简洁且极简，专注于数据而非内容。
Natural Cycles 的优势在于临床精确性。基于温度的算法将每一天分类为绿色（非排卵）或红色（排卵/使用保护）。对于致力于症状热法的用户，它提供结构化的、经过临床验证的指导。Oura Ring 集成为基础体温测量提供了便利。
这两个应用都不提供 AI 驱动的功能。没有对话助手，没有语音记录，没有预测情绪的功能。两者都依赖手动输入——Clue 通过点击，Natural Cycles 通过每日温度读数。
PinkyBloom 填补了这两个应用留下的空白。语音记录取代手动输入。AI 情绪预测在情绪发生之前预测情感模式。医生访问报告生成器为医疗提供者创建专业摘要。
Pricing comparison
Clue 和 Natural Cycles 之间的价格差异显著。Clue Plus 每年收费 $39.99——对于一款高端健康应用来说是合理的。Natural Cycles 每年收费高达 $149.99，几乎是 Clue 的四倍，还需加上兼容温度计的费用（$15-30）或 Oura Ring（$299+）。
Natural Cycles 以 FDA 批准和临床验证为理由证明其高价。如果您特别需要数字避孕，费用可能是值得的。Clue 以高级预测和基于研究的分析来证明其价格的合理性。两者都是针对其目标受众的合法价值主张。
五年内：Clue 费用约 $200，Natural Cycles 费用约 $750+，加上硬件费用。PinkyBloom 的费用为 $0。PinkyBloom 不是 FDA 批准的避孕工具，但在周期追踪、生育意识、健康洞察和 AI 驱动的预测方面，它提供的功能超出任何付费应用。
There's a better option
Clue and Natural Cycles are both science-forward apps with clean privacy records — but both charge subscriptions and store data in the cloud. PinkyBloom matches Clue's tracking flexibility, adds AI that Natural Cycles lacks, and stores your cycle log on your phone with no account.
