| Platforms | iPhone, iPad, Apple Watch; Android. Source | iOS and Android; some paid features are iOS-only. Source | iOS, Android, and Apple Watch. Source | iPhone, iPad, Apple Watch, and Android. What's Next requires iOS 26 with Apple Intelligence enabled. Source | iOS, Apple Watch, and Android; optional Cubs accessories. Source | iOS, Android, Apple Watch, and web browser. Source |
| Free tier or trial | Core logs, trends, CSV export, local Wi-Fi sharing, and the local monitor stay free. The optional Plus trial lasts seven days. Source | Permanent free tracking, reports, and caregiver sync; paid plans add predictions and other tools. Source | Seven-day trial starts with the first log. Without a paid plan afterward, existing data is viewable and exportable but new logging stops. Source | Core tracking stays free. What's Next offers a three-day preview before Plus is needed to continue. Source | Free download with in-app purchases. The complete ongoing free allowance was not confirmed. Source | Seven-day trial; a subscription is required to save new entries afterward. Unpaid access is read-only. Source |
| Third-party ads | No ads. Source | Not confirmed in the sources reviewed. Source | Ad-free, according to Nara's FAQ. Source | The store lists advertising, a Remove Ads purchase, and ad-free Plus. Source | The US store lists advertising; ad placements were not independently checked. Source | Not confirmed in the sources reviewed. Source |
| Account requirements | No email or password account needed for logging or local sharing. Source | Caregiver sync uses the same Huckleberry account on each phone. Source | Family access uses individual caregiver accounts. Source | A sync group uses an email and password; single-device sign-in requirements were not confirmed. Source | The primary account owner invites caregivers with a generated code. Source | Caregivers access a shared child profile; account setup is used for cross-device access. Source |
| Offline logging | Core tracking works offline. Local sharing and monitoring require a shared Wi-Fi network. Source | Not confirmed in the sources reviewed. Source | Not confirmed in the sources reviewed. Source | Not confirmed in the sources reviewed. Source | Not confirmed in the sources reviewed. Source | Not confirmed in the sources reviewed. Source |
| Local or remote sharing | Local Wi-Fi is free. Plus adds encrypted remote family sharing and backup. Source | Multiple devices sync through a shared login. Internet is recommended for caregiver updates. Source | Invited caregivers share one app family across devices. Source | Devices join a Baby Tracker Server sync group. The FAQ separately describes cloning and iCloud/Dropbox backup. Source | Caregiver codes link secondary accounts to a child's profile. Source | Real-time updates across family and caregiver devices. Source |
| Caregiver access | Invite family to Plus shared data without a separate Plus purchase. A numeric caregiver limit was not verified. Source | Caregivers sign into the same account. A numeric device limit was not verified. Source | One family payment includes unlimited caregivers and children. Separate app families need separate coverage. Source | Group Plus shares one Plus subscription with a sync group. A maximum caregiver count was not verified. Source | The primary owner manages invitations. A numeric caregiver limit was not verified. Source | Subscriptions cover devices and caregivers. Family plans cover up to five children; Professional plans up to fifteen. Source |
| Export | Free CSV export. Import supports selected CSV formats; check the imported records. Source | CSV export per child through an emailed link valid for 24 hours. Source | CSV export remains available without an active plan. Source | The FAQ describes AirDrop/email device clones and cloud backup. Export formats and free-tier limits were not fully verified. Source | Doctor's Report PDF and CSV export are documented; All Log Data CSV requires the premium package. PDF tier requirements were not confirmed. Source | Reports and charts are documented; export formats and tier requirements were not confirmed in these sources. Source |
| Feeding and pumping | Feeds, bottles, solids, and pumping logs. Source | Feeding and other baby-care logs; see the app listing for pumping details. Source | Breastfeeding, bottles, pumping, and parent pregnancy/postpartum tracking. Source | Feeds, sleep, diapers, pumping, growth, health, and milestones. Source | Nursing, bottles, solids, pumping, and breastmilk inventory. Source | Feeds, nursing, pumping, sleep, diapers, growth, and health records. Source |
| Sleep features | Sleep timers, history, and day-rhythm hints based on logged routines. Source | Paid SweetSpot predictions from two months; Premium adds personalized sleep plans. Source | Sleep logs, wake-window history, reminders, and age-based sleep guides. Source | Optional What's Next generates sleep, feed, and diaper timing cues on device; requires compatible Apple Intelligence hardware/software. Source | Sleep logs, charts, and custom feed/sleep reminder schedules. Source | Sleep tracking, charts, and averages. Predictive scheduling was not confirmed. Source |
| Baby monitor | Free local Wi-Fi audio with optional video. Plus adds remote monitoring; both phones need internet for remote use. Source | A built-in two-phone monitor is not documented in the sources reviewed. Source | A built-in two-phone monitor is not documented in the sources reviewed. Source | A built-in two-phone monitor is not documented in the sources reviewed. Source | A built-in two-phone monitor is not documented in the sources reviewed. Source | A built-in two-phone monitor is not documented in the sources reviewed. Source |
| Price and renewal | Plus is $14.99 for lifetime access. No subscription. Source | Free tier; Plus and Premium subscriptions auto-renew. The pricing page advertises $5.74/month and $9.99/month equivalents billed yearly, respectively; verify the full charge and monthly offer. Source | Published US offer: $9.99/month or $99.99 lifetime. Monthly subscriptions renew; the trial does not charge automatically. Source | US iOS listed purchases: Remove Ads $4.99; Plus $5.99/month or $49.99/year. Plus auto-renews; check the offer presented in app. Source | Multiple subscription and purchase SKUs are listed. The applicable current package price was not confirmed; verify the in-app offer. Source | Auto-renewing subscription after the trial. The applicable current US plan price was not verified. Source |