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Twinly: Twin Baby Tracker

One shared log for two babies
STEPHEN PATRICK OKEEFFE · Health & Fitness
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App info

Developer
STEPHEN PATRICK OKEEFFE
Category
Health & Fitness
Released
Sep 21, 2026
Version
1.1.1 (Oct 20, 2026)
Price
Free
Size
3.0 MB
Requires
iOS 15.0
Age rating
13+
Languages
English

In-app purchases

none
Current prices, App Store US.

About Twinly: Twin Baby Tracker

Two babies. One log. Both of you. Twinly is built for parents of twins. Everything assumes two from the start, so you are never doubling up entries or trying to remember which baby you fed last. It starts before they arrive and keeps up as they grow. WHAT YOU TRACK Bottles in millilitres, breastfeeds with the side and how long, and pumping Nappies, wet and dirty Sleep, with a timer you start and stop Growth, plotted against WHO reference curves Potty training, once they get that far Milestones, vaccines, medications and appointments ONE HOUSEHOLD, ON WHATEVER PHONES YOU HAVE Invite whoever else is doing the nights, with a code. You both see the same records, updating as they happen, and every entry shows who logged it, so nobody has to ask whether the 4am feed got written down. You each get your own account, so there is no shared password, and either of you can be removed later without…
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