# CDC's Milestone Tracker vs SayBright

The clearest difference is in-app purchases: CDC's Milestone Tracker at none against SayBright's 2. CDC's Milestone Tracker also leads on ads (none vs shown) and ratings volume (10K vs 3). SayBright's advantage is update cadence (every 5 weeks vs every 6 months). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. SayBright sells 2 in-app purchases, starting at $0.99 per month. CDC's Milestone Tracker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for CDC's Milestone Tracker against 5.0 for SayBright. That said, the two scores are not equally well evidenced: CDC's Milestone Tracker has 10K ratings behind it against 3, so its average is the more settled of the two.

CDC's Milestone Tracker ships an update every 6 months, SayBright every 5 weeks. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CDC's Milestone Tracker | SayBright |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (10K ratings)](https://appshunter.io/ios/app/cdcs-milestone-tracker/id1232718688/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/saybright/id6767243151/reviews)** |
| Number of ratings | **10K** | 3 |
| Positive reviews | 61.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 61 MB | 44 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Graysmith Labs LLC](https://appshunter.io/developer/1871756911) |

## 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


### SayBright

[App page](https://appshunter.io/ios/app/saybright/id6767243151)

Cultivate a consistent daily affirmation habit with personalized messages. Choose from various categories, track your progress with streaks, and share uplifting quotes as beautiful social media cards. Stay motivated with reminders and home screen widgets.

**Highlights:** Personalized daily affirmations, 10 affirmation categories, Streak tracking and rewards, Shareable quote cards, Home screen widgets, Daily reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SayBright Premium Monthly | $0.99 | per month |
| SayBright Premium | $9.99 | per year |


## Frequently asked questions

### Is CDC's Milestone Tracker free?

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

### Is SayBright free?

SayBright is free to download, with in-app purchases available.

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

SayBright is rated higher. CDC's Milestone Tracker averages 4.9 out of 5 from 10K ratings, while SayBright averages 5.0 from 3 ratings.

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

SayBright shows ads; CDC's Milestone Tracker does not.

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

CDC's Milestone Tracker ships an update every 6 months, and SayBright every 5 weeks. Most recently, CDC's Milestone Tracker was updated on October 14, 2026 and SayBright on October 15, 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.*