How do I recognize a truly private baby diary app?

"Private" is a promise you can verify: no tracking and no advertising SDKs, no publicly reachable photo URLs, sharing by invitation only with clear roles, export and full deletion at any time, and data handling that meets EU data protection standards. The checklist below lets you audit any app in ten minutes — including Lunita.

Why "private" means so little in app descriptions

Almost every baby app calls itself private. Sometimes that just means: "there's no public feed like Instagram." That's the lowest bar imaginable. A diary about your child holds photos, developmental data, perhaps health notes, and your most unfiltered thoughts — data that will follow a child for life. Here, "private" has to mean more than the absence of a feed. It has to be a verifiable property of the technology and the business model.

The 7-point checklist — apply it to any app

1. No tracking, no ads, no data sales. Check the App Store privacy label: "Data Used to Track You" should be empty. Why this matters especially for baby apps: baby diary app without ads.
2. No public URLs. Ask: can a photo be opened via a link that works without signing in? If yes, treat it as public — links get forwarded. The clean answer: every access authenticated and time-limited.
3. Sharing by invitation, with roles. Anyone who can see anything must have been invited by you — and there should be graduated roles (view-only versus uploading). "Everyone in the group can do everything" is not a role.
4. Private by default. New entries and photos should be visible only to you until you decide otherwise. Sharing must be a deliberate act, not the default state.
5. Export anytime. These are your memories. You must be able to get them out in a usable format — no support ticket, no cancellation maze.
6. Full deletion. Deleting your account must work inside the app itself and actually remove the data, not just deactivate a profile.
7. EU data protection taken seriously. A privacy policy that names purposes, legal bases, and processors concretely is a good sign. So is an EU address and a reachable data controller.

How Lunita meets each point

• 1 — A business model instead of a data model: Lunita shows no ads, uses no tracking, and sells no data. Its only business is the optional Premium tier; the diary core stays free forever.
• 2 — No public URLs: photos and videos are never publicly accessible; every access is authenticated and time-limited.
• 3 & 4 — Invitation, roles, private by default: family joins by invitation only, as viewers; every moment starts visible to you alone. What that feels like in practice: sharing baby photos without social media.
• 5 & 6 — Export and deletion: export everything, or delete your account along with all data — anytime, right in the app.
• 7 — And beyond: speech recognition runs on the device — your voice never leaves the iPhone, and only approved text is saved. The diary also works offline.

The idea of privacy behind a diary

A diary has always been the most private form of writing — the little book with the tiny lock. Its digital version deserves the same standard, not a lower one. If you want to go deeper on what publicly posted baby photos mean in the long run, read our guide to baby photos, privacy, and sharenting.