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Screenshots

  • Mental Leap Checker screenshot 1
  • Mental Leap Checker screenshot 2
  • Mental Leap Checker screenshot 3
  • Mental Leap Checker screenshot 4

About Mental Leap Checker

**Understand Your Baby's Growth with Confidence** Is your baby fussier than usual? It might be a “Mental Leap.” Suddenly crying more often? Restless sleep or frequent night waking? Clingy behavior without signs of illness? These might not be problems — they might be signs of a big developmental step. With Mental Leap, you can track your baby’s mental development and better understand the challenging yet beautiful journey of early childhood. **What You Can Do** - Register your baby’s birthdate or due date easily - Manage multiple babies at once (great for siblings or twins) - Get notified when your child is in a “leap” period - Learn what each leap means and how you can support your baby during that time - Simple, intuitive interface – designed for busy parents **What is a “Mental Leap”?** Babies experience about 10 major mental developmental leaps before 20 months of age. These periods are often marked by changes in behavior: more crying, clinginess, sleep changes, or fussiness. It may seem like something is wrong — but it’s actually a sign of progress in brain development. Knowing when a mental leap is coming can help you prepare, respond with care, and reduce stress. **Perfect for:** - First-time parents who want peace of mind - Parents noticing unusual behavior in their baby - Those interested in baby development and psychology - Families with multiple young children - Anyone looking for a clean, reliable, and private baby tracker **Simple, Lightweight, Reliable** - No complex sign-up process - Works offline (for most features) - Lightweight and battery-friendly **Privacy You Can Trust** - All data is stored only on your device. - No data is shared externally. No ads. No personal accounts needed. Your baby’s growth is your private journey — we keep it that way.

What’s new

Version 1.8.0 · Updated October 6, 2026

Thank you for using the app! [A clearer menu for each child] The menu on your child's page is now grouped into Record, Look back, and Manage, with features like Sleep, Care, and Growth shown as icon tiles so you can find what you need at a glance. [Other] Minor improvements.

App privacy

The developer, Akatsukido Co., Ltd., reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data: Product Interaction

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: User ID, Device ID
  • Usage Data: Advertising Data, Product Interaction
  • Location: Coarse Location

Used for: Third-Party Advertising, Analytics

Alternatives to Mental Leap Checker

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