# CDC's Milestone Tracker vs Baby Steps Milestone Tracker

The clearest difference is update cadence: Baby Steps Milestone Tracker at every 9 days against CDC's Milestone Tracker's every 6 months. CDC's Milestone Tracker's advantage is ratings volume (11K vs 1) and iOS requirement (15.1 vs 17.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for CDC's Milestone Tracker against 5.0 for Baby Steps Milestone Tracker. That said, the two scores are not equally well evidenced: CDC's Milestone Tracker has 11K ratings behind it against 1, so its average is the more settled of the two.

CDC's Milestone Tracker ships an update every 6 months, Baby Steps Milestone Tracker every 9 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CDC's Milestone Tracker | Baby Steps Milestone Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (11K ratings)](https://appshunter.io/ios/app/cdcs-milestone-tracker/id1232718688/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/baby-steps-milestone-tracker/id6754181627/reviews)** |
| Number of ratings | **11K** | 1 |
| Positive reviews | 62.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 61 MB | 29 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [APPSURGE](https://appshunter.io/developer/1473427573) |

## What reviewers say

### CDC's Milestone Tracker

[App page](https://appshunter.io/ios/app/cdcs-milestone-tracker/id1232718688)

Monitor your child's developmental progress from 2 months to 5 years with interactive checklists. Includes tips, videos, and guidance on when to seek professional advice. Easily share milestone summaries with healthcare providers.

**Highlights:** Add multiple children, Interactive milestone checklists, Milestone photos and videos, Developmental tips and activities, Guidance on early developmental concerns, Track doctor's appointments, Share milestone summaries

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Comprehensive milestone tracking
- 💡 Helpful videos and activities
- 🔍 Useful for monitoring child development
- ⭐ Great resource for parents and caregivers

**What reviewers complain about**

- 🐛 Bugs and glitches (e.g., app crashes, incorrect age display)
- 🔍 Overly sensitive to missing milestones, causing unnecessary worry
- 🗣️ Needs more language options beyond English and Spanish
- 🔗 Broken or missing links to external resources
- 🔍 Lacks flexibility for customizing milestones (e.g., for children with special needs)

**Reported bugs**

- Incorrect age display for children
- Milestone checklist reset after app updates
- Reference videos not working as expected
- Inability to input child's exact age or prematurity details

**Requested features**

- Ability to sync data between multiple devices
- Option to track milestones beyond early childhood
- Integration with other child health and development apps
- More customization options for milestone tracking
- Improved data visualization and reporting


### Baby Steps Milestone Tracker

[App page](https://appshunter.io/ios/app/baby-steps-milestone-tracker/id6754181627)

This app helps parents track their baby's development with CDC-backed milestones and log important daily activities like sleep and feeding. It offers age-appropriate activities and a curated learning library for guidance.

**Highlights:** CDC-backed developmental milestone tracking, Log sleep, feeding, and daily activities, Age-appropriate activity suggestions, Curated learning library for parents, Smart reminders for milestones and activities, Privacy-focused with data export/deletion

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CDC's Milestone Tracker free?

CDC's Milestone Tracker is free to download, with no in-app purchases.

### Is Baby Steps Milestone Tracker free?

Baby Steps Milestone Tracker is free to download, with no in-app purchases.

### Which has better reviews, CDC's Milestone Tracker or Baby Steps Milestone Tracker?

Baby Steps Milestone Tracker is rated higher. CDC's Milestone Tracker averages 4.9 out of 5 from 11K ratings, while Baby Steps Milestone Tracker averages 5.0 from 1 ratings.

### Do CDC's Milestone Tracker or Baby Steps Milestone Tracker have ads?

Neither CDC's Milestone Tracker nor Baby Steps Milestone Tracker shows ads.

### Which is updated more often, CDC's Milestone Tracker or Baby Steps Milestone Tracker?

CDC's Milestone Tracker ships an update every 6 months, and Baby Steps Milestone Tracker every 9 days. Most recently, CDC's Milestone Tracker was updated on November 8, 2026 and Baby Steps Milestone Tracker on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*