# Vaccine Tracker vs CDC's Milestone Tracker

The clearest difference is review sentiment: CDC's Milestone Tracker at 62% against Vaccine Tracker's 0%. CDC's Milestone Tracker also leads on rating (4.9 vs 1.7) and ratings volume (11K vs 3). Vaccine Tracker's advantage is update cadence (daily vs every 6 months) and iOS requirement (8.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CDC's Milestone Tracker holds the better App Store score, 4.9 against 1.7. That said, the two scores are not equally well evidenced: CDC's Milestone Tracker has 11K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Vaccine Tracker's written reviews are positive against 62% of CDC's Milestone Tracker's.

Vaccine Tracker ships an update daily, CDC's Milestone Tracker every 6 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Vaccine Tracker | CDC's Milestone Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (3 ratings)](https://appshunter.io/ios/app/vaccine-tracker/id909648572/reviews) | **[4.9 (11K ratings)](https://appshunter.io/ios/app/cdcs-milestone-tracker/id1232718688/reviews)** |
| Number of ratings | 3 | **11K** |
| Positive reviews | 0.0% of reviews | **61.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 months |
| Monetization | Free | Free |
| Size | 16 MB | 61 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shane Clifford](https://appshunter.io/developer/850287078) | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) |

## What reviewers say

### Vaccine Tracker

[App page](https://appshunter.io/ios/app/vaccine-tracker/id909648572)

Easily record and manage vaccination schedules for your entire family. Track upcoming due dates, view vaccine history, and receive automatic reminders for essential immunizations. This tool helps keep your family's health records organized.

**Highlights:** Record and manage family vaccinations, Check days left for next vaccine, View number of due vaccines, Log vaccine details (date, status, place, manufacturer), Automatic reminders for upcoming vaccinations, General vaccine information

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Vaccine Tracker free?

Vaccine Tracker is free to download, with no in-app purchases.

### Is CDC's Milestone Tracker free?

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

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

CDC's Milestone Tracker is rated higher. Vaccine Tracker averages 1.7 out of 5 from 3 ratings, while CDC's Milestone Tracker averages 4.9 from 11K ratings.

### Do Vaccine Tracker or CDC's Milestone Tracker have ads?

Neither Vaccine Tracker nor CDC's Milestone Tracker shows ads.

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

Vaccine Tracker ships an update daily, and CDC's Milestone Tracker every 6 months. Most recently, Vaccine Tracker was updated on October 21, 2026 and CDC's Milestone Tracker on October 25, 2026.

---

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