← the guide

What this app will never do

every age · Updated 2026-08-23

NaniNani exists to lower a tired parent's stress, not to become one more thing you get graded on. That reads like a slogan right up to the moment a screen has to decide whether to show a countdown — so I wrote it down as rules a code review can fail against. This is the promise, in the form of eight things the app will never do to you.

The eight

It will never set a deadline. Every time on screen is the center of a gradient. A missed window gets calm amber and recoverable language, never alarm red. (The founding rule.)

It will never advise before it normalizes. When your child's behavior is developmentally expected — no rhythm in the first weeks, nap-count flicker during a transition, a scattered day — the app says so first, plainly. A parent who reads "this is biology, on schedule" stops hunting for what they did wrong. Advice can wait. Absolution cannot.

It will never imply structure your child cannot have yet. The app knows your child's age (counted from the due date) and speaks accordingly. Under two months it proposes no steering at all — there is no body clock to steer by yet. While the clock is switching on, it stays deliberately loose about clock times.

It will never grade you. Copy describes the child's state — "building, not sleepy yet" — never your performance. Drift is "habits run 23 minutes late", not "you are late". Banned outright: "you missed", "behind schedule", countdowns, and any streak a parent can break.

It will never outrank your eyes. Your child's cues beat every number on the screen, and the copy says so at the moments it matters. The app proposes, the child disposes, the parent referees.

It will never dress uncertainty as failure. Thin data reads as "too early to tell — that's expected", never as an empty red state. Bands show at their honest width, and a suggestion to shift timing waits for a real multi-day pattern, so one odd day never becomes advice.

It will never demand your attention. This is a five-second app. No notifications, no urgency mechanics, nothing engineered to pull you back. One reassuring line on screen; the paragraph lives here, in the guide, for whoever wants it at 2 a.m.

It will never invent certainty. Every developmental claim in the app maps to a published source or to a result I measured myself. No "studies show" without a study.

The test every sentence passes

Before any copy ships, I ask: if a parent reads this at 3 a.m., after the fourth waking, does it lower their shoulders or raise them? If it raises them and the information isn't genuinely necessary, it gets cut. Not softened — cut.

I wrote these down because the industry standard is the opposite of all eight, and not by accident: streaks, badges, red states and well-timed notifications are extraordinarily good at retention. They work by making you slightly anxious on a schedule, then selling you the relief. An app for people running on four hours of sleep has no business using a single one of them. The dated entry arguing this at full strength is in the notebook.

Where this comes from