Task. In four Reddit threads with about 260 comments, parents leaving Nara listed what they actually used: logging fast with one hand, seeing when the baby last ate, a calm screen at night, and no lost history. Ads, accounts and paywalls were the reasons to leave.
Solution. Three large buttons on the home screen: feed, nappy, sleep. A breastfeed starts a timer on the right side and shows "Next: Left" for the next feed. The day view and a week of charts sit one tab away. There is no account and no network call: every entry stays on the phone, with CSV export and a backup file in Settings.
Language and theme. The app is in English and Russian and opens in the phone's language. By default the dark theme comes on from 9 PM to 7 AM, or whenever the phone itself is dark; in Settings you can also pick Phone, Light or Dark.
Moving over. The import reads a Nara Baby export (the CSV from Activity → Export Data), built to Nara's documented export format and tested on a sample file made to that format. Feeds, bottles, nappies and sleep come across; types the app doesn't track are counted and reported instead of being dropped, and importing the same file twice adds nothing.
Night check. We walked seven night scenarios on a 390 px phone in the dark theme. Starting a feed, switching sides, stopping and logging a nappy each take two taps, and "when did she last eat" takes none.
Proof. The logic runs in automated tests in three time zones, including sleep that crosses midnight. On the live link Lighthouse scores 91 for performance and 100 for accessibility, best practices and SEO, and the main content shows in 2.4 s. No medical advice: the app only records what the parent enters.