The Nainnie Labs blog
Honest, practical writing from the studio behind Rosea, Streakly, Qurbah, Foldra, Baaki, Snapport, Scandra, Cutora, Markly, Vocly, Ledgra, Codra, Marea and Scorra. If a post isn't useful on its own, it doesn't ship.
Most group fitness challenges are decided in week one and abandoned by week three. How to pick the metric, make the scoring fair, and set the rules before anyone starts.
Read articleThe net run rate formula in the ICC's own words, the all-out rule and the overs-are-not-decimals trap, and a worked example where getting one wrong turns a negative NRR positive.
Read articleThe FY2027 files take effect 1 October 2026. Here is what CDC and CMS actually publish, why every article gives a different number of new codes, and what to check before the switch.
Read articleWhat connecting a budgeting app to your bank actually hands over, why the rules around it are unsettled, and how to track spending manually without it falling apart.
Read articleTurn a photo of your signature into a PNG with real transparency — why it has to be a PNG, how to check it worked, and why doing it on your phone beats a website.
Read articleDelete your cycle history from Apple Health, Health Connect and Apple Watch — find it, see which app wrote it, and remove it for good.
Read articleStep-by-step instructions for deleting your account and data from the major period tracking apps — plus how to make sure it's actually gone.
Read articleA clear look at what period tracking apps actually collect, who they share it with, and how to check any app's privacy before you install it.
Read article