Both apps offer baby logging and paid sleep tools. Compare activity customization, caregiver sharing and device support.
Choose Baby Daybook if custom activity types or iPad support are priorities. Choose Plumi if you want local logging without an account and optional encrypted sharing. Compare the sleep tools available in each paid plan.
The differences most likely to matter in daily use.
| What matters | Plumi | Baby Daybook |
|---|---|---|
| Milk Stash and labels | Pro tracks fridge and freezer batches and deducts bottles logged from the stash. Printable QR labels open the bottle form for the scanned bag, using its current remaining amount. | Stored-milk inventory and printable batch labels are not described in the checked listing. |
| Siri logging | Pro: start or stop timers, log bottles and diapers, and ask about the last feed or diaper with Siri. | The listing advertises Siri Shortcuts for logging activities by voice. |
| Everyday logs | Feeds, diapers, sleep, growth, health, activities and milestones. | Feeds, diapers, sleep, growth, health, custom activities and milestones. |
| Sleep | Sleep history is free. Pro adds Rhythm insights and estimated nap and bedtime windows. | The listing highlights real-time sleep predictions and a visual timeline. |
| Customization | Reorder quick actions and use preset log types. | Custom activity tracking, reports and reminders are emphasized. |
| Family sharing | Pro sharing lets you select children and one parent or caregiver role for each invitation. Care records sync with end-to-end encryption. | Real-time caregiver syncing is described in its listing. |
| Platforms | iPhone and Apple Watch. | iPhone, iPad and Apple Watch. |
Features and plan terms can change. Check each app's current listing before choosing.
Baby Daybook offers next-nap predictions and custom activities alongside a broad set of care logs.
Plumi offers preset care categories, allergy records and WHO growth charts. Pro adds the Rhythm view and Sleep Forecast for estimated nap and bedtime windows.
Compare more baby trackers →Plumi publishes this comparison about its own app. We checked Baby Daybook's developer-written US App Store listing and Plumi's current listing on September 25, 2026. The table describes publicly documented features; it is not a hands-on test of every plan or device. We updated the Milk Stash and Siri rows on October 9, 2026 using Plumi's current features and the competitor's developer-written listing and release notes. A feature omitted from a listing may still be available.
Base comparison: September 25, 2026. Milk Stash and Siri: October 9, 2026. Baby Daybook is a trademark of its respective owner.
Yes. Plumi Pro estimates nap and bedtime windows from age guidance and recent sleep logs. Compare its Sleep Forecast with Baby Daybook’s current sleep tools before choosing.
Yes. Photo attachments are included in Free. Take a photo or choose one from your library. Photos stay on the device that added them and in your own optional backups; they are never uploaded to Plumi servers and do not sync to other devices or caregivers.
Not currently. You'll need to start a new log in Plumi. Keep an export from Baby Daybook for your records.
The Plumi team wrote it. We compared our product with Baby Daybook using its public US App Store listing on September 25, 2026. Milk Stash and Siri details were updated on October 9, 2026. Features, eligibility and prices may change.
Start logging for free, without an account. Pro adds encrypted family sharing.
