| Data and account model | Dot's current store summary describes an offline-first logbook built around the device and personal iCloud. | An account-based tracker uses the account, sync, backup, and service model it documents. | Choose the model whose current privacy, recovery, sharing, and account requirements you understand and accept. |
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| Use without a connection | Offline-first positioning is useful when a person wants to record their own history on a device. | A cloud-oriented product may depend on the availability and behavior its provider specifies. | Check the exact app's current offline and sync behavior instead of assuming it from the category label. |
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| Personal record scope | Dot is described as a logbook for cycle, medication history, and general wellbeing. | A different service may offer the collaboration or records workflow it explicitly documents. | Pick based on whether you need a private personal log or a separately documented account-and-sharing workflow. |
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| Sensitive-data review | The local-first approach still requires attention to device security, Apple account settings, and personal backup choices. | An account-based service has its own permissions, policies, retention, and support commitments. | Read the current privacy policy and service terms, then use the device and account protections appropriate for your situation. |
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| Health boundary | A personal log can help a person organize observations and history. | Another app category does not change the need for professional care when medical judgment is required. | Do not use either type of tracker as a diagnosis, emergency service, clinical record substitute, or guarantee about fertility, medication, or health outcomes. |
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