Easily calculate your baby's exact age in days, weeks, or months. Simply enter their birthday to get an instant, precise age.
Tiny Days - Baby Age Widget by Jin Quan Wong
Track & Celebrate Milestones


247+ iOS apps curated and reviewed
The best baby birthday age apps on iPhone average 4.6β across 247+ titles β we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | β | β | No | Aug 2026 | ||
| 2 | $1.99 | β | No | No | Jun 2026 | ||
| 3 | Free | 4.8β (7.9K) | Yes | Yes | Oct 2026 | ||
| 4 | Free | β | No | No | Aug 2026 | ||
| 5 | Free | 4.9β (142K) | No | No | Oct 2026 | ||
| 6 | Free | 4.8β (84) | Yes | Yes | Oct 2026 | ||
| 7 | Free | 4.7β (861) | Yes | Yes | Oct 2026 | ||
| 8 | Free | 3.0β (6) | Yes | No | Oct 2026 |








Easily calculate your baby's exact age in days, weeks, or months. Simply enter their birthday to get an instant, precise age.






Never miss an important birthday again with this easy-to-use countdown and reminder app. Set custom notifications, import contacts, and even view upcoming events on your Apple Watch. Premium features include lock screen widgets and data export.