Best Fussy Days Apps

219+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

With an average user rating of 4.6★, the fussy days category is one of the App Store's strongest. Browse all 219+ apps we track, sorted so the most loved ones surface first.

Top Picks for Fussy Days

Fussy Days#1

Fussy Days by Simonas Armonas

Editor's Choice
💪 Health & Fitness
1.0(1 ratings)
FreeIn-App Purchases
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This app helps parents predict and understand periods of increased fussiness in their babies based on community-shared data. It allows you to track milestones, add achievements to a personal diary, and export data to PDF.

Cozi Family Organizer#2

Cozi Family Organizer by Cozi

Shared Calendar & To-Do Lists
Strong Contender
📊 Productivity
4.8😊(386K ratings)
FreeAdsIn-App Purchases
#48in Productivity
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This app helps families organize their busy lives with a shared calendar, to-do lists, and recipe box. It keeps everyone on the same page for appointments, shopping, and meal planning, accessible from any device.

What We Love

  • 👍 Great family organizer
  • 🚀 Helpful for staying organized
  • 💡 Useful for meal planning and grocery lists
  • 👍 Easy to use and share calendars

Room to Improve

  • 💰 Expensive subscription
  • 🐛 Glitches and bugs
  • 🔍 Limited free version
HiMommy: Ovulation & Pregnancy#3

HiMommy: Ovulation & Pregnancy by Idea Accelerator Sp. z o.o.

Period & Cycle tracker, Baby
Worth Considering
🏥 Medical
4.8😐(5.1K ratings)
FreeAdsIn-App Purchases
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This app assists users throughout their journey to motherhood, from tracking cycles and fertility to monitoring pregnancy and newborn care. It offers daily baby development updates, health tips, and tools for tracking physical changes and baby's milestones.

What We Love

  • 🤗 Cute and personalized messages
  • 📈 Helpful for tracking pregnancy progress
  • 🤰 Connects moms and dads
  • 🗓️ Provides daily updates

Room to Improve

  • 🐛 Bugs and glitches
  • 💰 Paywall for key features
  • 🔤 Poor translation and grammar issues

More Fussy Days apps to explore

4
Solid Starts: Baby First Foods
Solid Starts: Baby First Foods
Solid Starts: Baby First Foods
BLW Meals Tracker Schedules
Free

This app guides parents through introducing solid foods to babies using baby-led weaning or transitioning from purees. It offers a comprehensive food database, meal plans, recipes, and tracking tools developed by pediatric experts.

Baby-led weaning guidanceExtensive first foods databasePersonalized meal plans
📚 Education
(40K)
free with in-app purchases
5
amma: Pregnancy & Baby Tracker
amma: Pregnancy & Baby Tracker
amma: Pregnancy & Baby Tracker
Fertility to Newborn Weekly
Free

Track your pregnancy week by week, from conception to your baby's newborn stage. Get daily updates on your baby's growth, changes in your body, and helpful tips. Features include contraction timing, kick counting, and a personal diary.

Weekly pregnancy calendarBaby development updatesMother's body changes
🏥 Medical
(10K)
free with in-app purchases
6
WeMoms - Pregnancy & Baby App
WeMoms - Pregnancy & Baby App
WeMoms - Pregnancy & Baby App
Suivi: Grossesse, Alimentation
Free

Track your pregnancy and baby's development week by week with expert content and personalized articles. Connect with a supportive community of mothers and utilize helpful tools for every stage of your journey to motherhood.

Week-by-week baby development trackingPersonalized pregnancy guides and tips3D baby development visualization
🏥 Medical
(26K)
free with in-app purchases
7
Countdown Widget: Days Until
Countdown Widget: Days Until
Countdown Widget: Days Until
Birthday Timer & Vacation Day
Free

Easily track upcoming events with customizable widgets. Personalize your countdowns with photos or colors, and view them on your home screen or lock screen. Share excitement with friends and family.

Customizable widgetsPersonalize with photos/colorsLock screen countdowns
📊 Productivity
(96)
free with in-app purchases
8
Baby Milestone Tracker Sprouty
Baby Milestone Tracker Sprouty
Baby Milestone Tracker Sprouty
Development & Sleep Daybook
Free

This app helps parents track their baby's development, sleep, feeding, and mood. It offers a growth crises calendar, measurement tracking, daily exercises, and a journal for precious moments. Access additional features and resources with a subscription.

Baby sleep, feeding, and diaper trackingGrowth crises calendarHeight and weight measurements
💪 Health & Fitness
(1.1K)
freemium
9
Days • Countdown & Widgets
Days • Countdown & Widgets
Days • Countdown & Widgets
Countdown, widgets & reminders
Free

Track upcoming special moments with customizable countdowns. Visualize your events with beautiful imagery and access them directly from your home or lock screen. Never forget important dates like birthdays or anniversaries again.

Countdown to eventsCount up from past eventsLock screen widgets
🌟 Lifestyle
(10K)
free with in-app purchases
10
The Wonder Weeks
The Wonder Weeks
The Wonder Weeks
Development milestone tracker
Free
$5.99 | 100% OFF

Understand your baby's developmental leaps and associated behaviors. This app provides a personalized schedule, alerts, and insights into your baby's new skills, offering games and a diary to track progress. It aims to boost parental confidence through shared experiences and expert insights.

Personalized leap scheduleLeap start notificationsRecognize developmental signals
💪 Health & Fitness
(121K)
free with in-app purchases
11
Been Love Memory -Love Counter
Been Love Memory -Love Counter
Been Love Memory -Love Counter
Application for couple #1
Free

Track the number of days you've been together with your partner. This app helps you remember important anniversaries and visualize your relationship progress with customizable widgets and themes.

Count days togetherTrack love anniversariesCustomizable widgets
🌟 Lifestyle
(8.5K)
free with in-app purchases
12
Nurture Pregnancy Week by Week
Nurture Pregnancy Week by Week
Nurture Pregnancy Week by Week
Track Baby Growth & Due Date
Free

This app offers comprehensive pregnancy tracking, providing insights into baby development week by week. Connect with a supportive community of mothers, access expert advice, and utilize tools like a contraction timer and baby registry. Personalized AI-powered insights help you navigate your pregnancy with confidence.

Week-by-week pregnancy trackingDetailed baby development informationSupportive mom community
🏥 Medical
(30K)
freemium
13
Precious - Baby Photo Art
Precious - Baby Photo Art
Precious - Baby Photo Art
Baby Photo Editor & Tracker
Free

Effortlessly track your baby's development and create cherished memories with AI-powered photo organization. Automatically generate adorable monthly pictures, growth slideshows, and a photo calendar journal. Enhance your baby's photos with unique stickers and frames.

Automatic photo organizationMonthly baby picturesGrowth slideshows
🌟 Lifestyle
(134K)
free with in-app purchases
14
Baby + | Your Baby Tracker
Baby + | Your Baby Tracker
Baby + | Your Baby Tracker
Baby Development & Tracker App
Free

Track your baby's growth, development, and milestones with this comprehensive app. Access daily articles, weekly guides, and video tutorials on breastfeeding and parenting. Record memories, feeding schedules, sleep patterns, and health information.

Growth TrackerFeeding TrackerSleep & Soothing Tracker
🏥 Medical
(7.8K)
free with in-app purchases
15
24me: Calendar・Planner & To Do
24me: Calendar・Planner & To Do
24me: Calendar・Planner & To Do
Reminders, Schedule, Organizer
Free

This app acts as a smart personal assistant, consolidating your calendar, to-do lists, notes, and personal accounts into one unified platform. It streamlines daily management with features like voice commands, smart reminders, and email-to-task conversion, helping you stay organized and productive.

Unified calendar and plannerSmart task manager and to-do listSimple notes and lists
📊 Productivity
(6.7K)
free with in-app purchases
16
Baby Tracker & Newborn Log
Baby Tracker & Newborn Log
Baby Tracker & Newborn Log
Baby Feeding, Sleep & Diaper
Free

This app helps parents track essential baby activities like feeding, sleep, and diaper changes. It provides insights into routines, monitors growth and milestones, and allows for family sharing. Capture memories and manage health records for multiple children.

Feeding tracker (breast, bottle, solids)Sleep tracker (naps, nighttime)Diaper and health log
🏥 Medical
(31K)
free with in-app purchases
17
BackThen - Baby Book & Albums
BackThen - Baby Book & Albums
BackThen - Baby Book & Albums
Photo Album, Baby Milestones
Free

This app serves as a private family journal to securely store and organize photos, videos, and milestones from pregnancy through childhood. It offers features like automatic organization by child, full-resolution storage, and the ability to create premium photo books from your memories.

Private family journalPhoto and video storageMilestone tracking
🌟 Lifestyle
(28K)
free with in-app purchases
18
brightwheel: Child Care App
brightwheel: Child Care App
brightwheel: Child Care App
Manage preschool & childcare
Free

This comprehensive childcare management software streamlines operations for early education providers. It combines billing, parent communication, curriculum planning, and admissions into a single, user-friendly platform. The app helps educators save time on administrative tasks and focus more on engaging with children.

All-in-one platformUser-friendly designBilling and finances
📚 Education
(135K)
freemium
19
Pregnancy + | Tracker App
Pregnancy + | Tracker App
Pregnancy + | Tracker App
Pregnant? Join over 80m moms!
Free

Track your pregnancy week-by-week with expert advice, daily articles, and interactive 3D models of your baby's development. Features include a due date calculator, kick counter, and tools to plan for labor and organize appointments. Join millions of expecting parents worldwide.

Interactive 3D baby development modelsWeek-by-week pregnancy guidesDue date calculator
🏥 Medical
(74K)
free with in-app purchases
20
Enfamil: Baby Rewards Tracker®
Enfamil: Baby Rewards Tracker®
Enfamil: Baby Rewards Tracker®
Baby Formula Tips and Coupons
Free

This app offers personalized content and expert advice for pregnancy and baby development. It also provides coupons for baby formula, tracks feeding and pumping, and allows you to capture and share baby milestones.

Weekly curated content for pregnancy and baby developmentFeeding and pumping trackerIn-app baby formula coupons
🏥 Medical
(7.3K)
free