Cycle tracking
Natural Cycles + AI fitness coaching
Period days, flow and cycle starts from Natural Cycles, through Apple Health or Health Connect. Memory.fit brings it to your AI, so it coaches you from your real training, fueling and recovery.
Works today through Apple Health or Health Connect · What arrives depends on what Natural Cycles shares there.
What Natural Cycles brings
- Period days and flow
- Cycle start dates
- Ovulation test results, when logged
- Basal body temperature, when logged
Read from Apple Health or Health Connect. Memory.fit never writes to Natural Cycles. Your AI sees it only if you allow Cycle data.
Setup
How to connect Natural Cycles to Memory.fit
- 01
In Natural Cycles, turn on sharing with Apple Health (iPhone) or Health Connect (Android).
- 02
In the Memory.fit app, open Settings → Health data and connect Apple Health or Health Connect.
- 03
Allow Memory.fit to read cycle tracking.
- 04
To let an AI use it, turn on Cycle data for that AI under Settings → AI agents.
In practice
What your AI does with Natural Cycles
HRV in context
A dip that follows your cycle reads differently from one that follows a hard block.
Plans around your cycle
Your AI can plan training and fueling around it, and says plainly where the evidence is thin.
Private by default
Your AI sees cycle data only if you turn on Cycle data for it in the Memory.fit app.
Questions
Natural Cycles and Memory.fit, in short.
Only if you allow it. Cycle data is its own permission, off for every AI until you turn it on, and you can turn it off again at any time.
No. Memory.fit shows your cycle and plain signals, such as a late period. Talk to a doctor about anything that worries you.
It works today through Apple Health or Health Connect. In Natural Cycles, turn on sharing with Apple Health (iPhone) or Health Connect (Android). In the Memory.fit app, open Settings → Health data and connect Apple Health or Health Connect. Allow Memory.fit to read cycle tracking. To let an AI use it, turn on Cycle data for that AI under Settings → AI agents.
Period days and flow, Cycle start dates, Ovulation test results, when logged, Basal body temperature, when logged.
Only the ones you allow: each AI you connect sees cycle data once you turn on Cycle data for it. ChatGPT, Claude, Gemini, Muse, Cue, Grok Bot and any app that supports MCP.
No. Memory.fit reads what Natural Cycles shares with Apple Health or Health Connect, and writes nothing back to Natural Cycles.
Yes. Turn off Natural Cycles's sharing in the app, or Memory.fit's access in Apple Health or Health Connect, at any time.
Related
More connections
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