# The Wonder Weeks - Baby leaps

> Development milestone tracker

Canonical page: [https://chrome-stats.com/d/id529815782](https://chrome-stats.com/d/id529815782)

## Overview

- **ID:** `id529815782`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Domus Technica
- **Category:** Health & Fitness
- **Rating:** 4.80 / 5 (121,702 ratings)
- **Version:** 12.3.19
- **Last updated:** 2026-08-13
- **First published:** 2012-05-30
- **Size:** 266 MB
- **Data as of:** 2026-09-03
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/the-wonder-weeks-baby-leaps/id529815782)
- **Website:** [https://www.thewonderweeks.com](https://www.thewonderweeks.com/)
- **Privacy policy:** [https://www.thewonderweeks.com/privacy-policy/](https://www.thewonderweeks.com/privacy-policy/)

## Description

The Wonder Weeks - Baby Leaps is the world’s No. 1 baby development app and Chrome extension for understanding the 10 mental leaps in the first 20 months. Leaps can make babies cry or cling, but they signal new skills. The app provides a personalized leap schedule and insights to help you support your baby through each leap.

Key features include a leap start/end calendar, automatic alerts, recognition of signals, discovery of new skills per leap, 77 playtime games to stimulate development, a personal development diary, partner app sync, a forum for sharing experiences, and educational videos and polls.

## Rankings

- #3,110 — Overall
- #8 — baby

## Review summary

Most reviews praise the app for helpful context, accuracy, and reassurance about baby leaps and fussy phases, with usefulness across multiple children. However, recurring downsides include unreliable timing, content quality issues, cost concerns, and a confusing interface, along with limited features beyond leap tracking.

### Pros

- Provides useful context and expectations for baby leaps and fussy phases, helping parents prepare.
- Generally accurate about development, with timelines that vary by child.
- Helpful across multiple children; can be reused for more than one baby.
- Offers visuals and explanations that aid understanding of the baby's days and changes.
- Reassuring and informative, guiding what to expect and how to help.

### Cons

- Leap timing and dates are often inaccurate or not adjustable, making predictions unreliable.
- Content quality issues, including videos/audio misalignment and representation inaccuracies.
- Pricing/subscription is expensive and not considered worth it by many reviewers.
- Navigation and user experience are confusing or not user-friendly.
- Not a robust milestone tracker; feels like a diary with limited actionable features.

## Similar extensions and apps

- [wonderweeks](https://chrome-stats.com/d/id6751195473)
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- [Babygrid: Growth Leap Tracker](https://chrome-stats.com/d/id6748223014) — 1.00 / 5
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- [Baby Leap: Milestone Tracker](https://chrome-stats.com/d/id6472646241) — 4.60 / 5
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- [Saltos de Desenvolvimento](https://chrome-stats.com/d/id6473872031)
- [Discovery Leaps](https://chrome-stats.com/d/id6753912999) — 5.00 / 5
- [Leap Journey: Baby Milestones](https://chrome-stats.com/d/id6770261130)

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Source: [Chrome-Stats](https://chrome-stats.com/d/id529815782)