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Private health app

What actually makes a health app private.

Five criteria to check before trusting any app with your family's medical records — and where MedKeep stands on each one.

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Quick answer: A genuinely private health app encrypts on-device (not just in transit), never stores your data as plain text on its servers, never sells it, works offline, and lets you export everything, anytime. Most health apps meet one or two of these. Few meet all five.

The checklist

Five questions to ask before you trust a health app.

Health data is more sensitive than almost anything else on your phone. Treat the choice accordingly.

Encryption before storage, not just in transit
Many apps encrypt data as it travels to their servers, then store it in plain form once it arrives. That means the company — or anyone who breaches it — can read your records. Look for encryption applied on your device, before anything is ever uploaded.
MedKeep: MedKeep encrypts every record with AES-256 on your device before it is stored or synced.
No plaintext on the server
Some apps decrypt your data server-side to power search, backups or AI features, even if it was encrypted on the way there. Check whether your records are ever stored or processed as plain text once they reach the company's servers.
MedKeep: Data on MedKeep's servers is always encrypted ciphertext, never plain text, and it isn't our practice to read the content of your records. (The one exception: if you use lab-report auto-extraction, that specific document is briefly processed to pull out values.)
No data sold or shared with third parties
Health data is valuable to advertisers, insurers and pharmaceutical companies. Read the privacy policy before you trust an app — some medication trackers explicitly license de-identified usage data to pharma partners.
MedKeep: MedKeep does not sell or license your data to anyone. There is no ad business and no pharma partnership behind this app.
Offline access
A cloud-only app is unusable in exactly the moments health information matters most — a hospital basement, a rural clinic, a flight. Offline-first means your records live on your device, not just in someone else's data center.
MedKeep: MedKeep is offline-first. Every record, log and document is available with no connection.
Full export, anytime
A private app shouldn't also be a locked-in one. You should be able to leave with everything you put in, in a usable format, whenever you decide to.
MedKeep: Export any family member's complete record as a PDF at any time, and delete your account and data whenever you choose.

Frequently asked questions

What is the most secure family health app?

Look for one that encrypts on-device with AES-256, never stores your data as plain text on its servers, never sells data, works offline, and allows full export. MedKeep is built around all five, specifically for family use.

Is it safe to keep medical records in an app at all?

Yes, provided the app encrypts your data before storage and doesn't make a practice of accessing it. That combination is generally safer than paper records, which can be lost, damaged or seen by anyone who finds them.

What should I avoid in a private health app?

Avoid apps that only mention encryption "in transit," that share data with "partners" in their privacy policy, or that require a connection to function — a genuinely private app should work offline too.

Read more: How to store medical documents securely · Document vault feature

Your health records,
always with you.

Free to start. Your whole family on the Family plan. Encrypted on your device, we can't read it.

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