# wonderweeks — baby calendar

> baby calendar (iPhone/iPad app by Jeongsep Lee.)

- Source: https://appshunter.io/ios/app/wonderweeks/id6751195473 (this page in markdown: same URL + `.md`)
- Developer: [Jeongsep Lee](https://appshunter.io/developer/1833922590)
- Category: Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 37 MB
- Languages: American English
- Released: 2025-08-21
- Data updated: 2026-07-03
- User reviews in markdown: https://appshunter.io/ios/app/wonderweeks/id6751195473/reviews.md

## What is wonderweeks?

Never Miss Your Baby's Special Growth Moments!
Wonder Weeks is an app that tracks the 10 crucial developmental leaps in your baby's brain development. We've removed all complicated features to provide only the essential information in a clean, intuitive interface.

Key Features Instantly check current Wonder Week stage with just birth date input
Intuitive progress indicator for quick understanding
Developmental characteristics and parenting tips for each stage
Countdown to next Wonder Week
Clean and soft design for comfortable user experience

Perfect For Parents with babies aged 0-20 months
Those who want to systematically understand baby development
Users who prefer simple functions over complex apps
Anyone wanting to apply Wonder Weeks theory in daily parenting

What are Wonder Weeks?
A developmental pattern discovered by Dutch developmental psychologists, showing that babies experience 10 major developmental leaps in their first 20 months. During each stage, babies acquire new abilities, and understanding these periods enables more effective parenting.

Why Choose Wonder Weeks App?
Based on Wonder Weeks theory verified by countless parents worldwide
Minimal design focusing only on essentials
Emotional UI designed for modern parents' preferences
Supports both Korean and English for diverse users

Make your precious time with your baby more meaningful. Download now and start your baby's unique growth journey!

App Highlights
One-tap access to current developmental stage
Beautiful, calming interface perfect for new parents
Evidence-based development tracking
No overwhelming features - just what you need
Suitable for babies from birth to 20 months

Transform your understanding of your baby's development with Wonder Weeks!


## Version history (last 2 releases)

### 1.2.2 — 2025-08-29

Fix ad bug.

### 1.0 — 2025-08-21

No release notes.

## Apps similar to wonderweeks

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Joy: Baby & Parenting Experts](https://appshunter.io/ios/app/joy-baby-and-parenting-experts/id6467880678) | 4.6 (646) | Free | Lifestyle |
| [Ultrasound to Photo AI](https://appshunter.io/ios/app/ultrasound-to-photo-ai/id6744644476) | 4.2 (155) | Free | Lifestyle |
| [BabyWeather](https://appshunter.io/ios/app/babyweather/id1294123874) | 4.7 (987) | Free | Lifestyle |
| [eufy Baby](https://appshunter.io/ios/app/eufy-baby/id1544694845) | 4.7 (8,168) | Free | Lifestyle |
| [Period of PURPLE Crying](https://appshunter.io/ios/app/period-of-purple-crying/id1375828075) | 2.8 (25) | Free | Lifestyle |
| [Baby Feed Timer, breastfeeding](https://appshunter.io/ios/app/baby-feed-timer-breastfeeding/id395357581) | 4.9 (23,910) | Free | Lifestyle |

## More apps by Jeongsep Lee

- [UpFasting - 16:8 Fasting Timer](https://appshunter.io/ios/app/upfasting-168-fasting-timer/id6751812145)
- [Copa - Clipboard Manager](https://appshunter.io/ios/app/copa-clipboard-manager/id6761402251)

All apps by Jeongsep Lee: https://appshunter.io/developer/1833922590

## Related topics

[the wonder weeks](https://appshunter.io/ios/topics/the-wonder-weeks) · [wonder weeks](https://appshunter.io/ios/topics/wonder-weeks)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-03.*