CDC's Milestone Tracker vs Nibble
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CDC's Milestone Tracker
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.
- 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
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Milestones matter! Track your child’s milestones from age 2 months to 5 years with CDC’s easy-to-use checklists; get tips from CDC to support your child’s development; and find out what to do if you ever have concerns about your child's development. From birth to age 5, your child should reach milestones in how he or she plays, learns, speaks, acts and moves. Photos and videos in this app illustrate each milestone and make tracking them for your child easy and fun! Spanish photos and videos are coming soon! Features: • Add a Child – enter personalized information about your child or multiple children • Milestone Tracker – track your child’s development by looking for important milestones using an interactive checklist • Milestone Photos and Videos – know what each milestone looks like so that you can better identify them in your own child. • Tips and Activities – support your child’s development at every age • When to Act Early – know when it’s time to “act early” and talk with your child’s doctor about developmental concerns • Appointments – keep track of your child’s doctors’ appointments and get reminders about recommended developmental screenings • Milestone Summary – get a summary of your child’s milestones to view, and share with or email to your child’s doctor and other important care providers For more information and free tools to help you track your child’s milestones, visit www.cdc.gov/ActEarly. *This milestone checklist is not a substitute for a standardized, validated developmental screening tool. These developmental milestones show what most children (75% or more) can do by each age. Subject matter experts selected these milestones based on available data and expert consensus. CDC does not collect or share any personal information that can be used to identify you or your child.
Nibble
This app provides a personalized, day-by-day plan for introducing solid foods and allergens to babies. It offers guidance on safe food preparation, reaction monitoring, and allergen introduction protocols, all based on current pediatric recommendations.
- Personalized day-by-day feeding plan
- Guided allergen introduction (Peanut Protocol)
- Safe-serving instructions for all foods
- Reaction log and monitoring
- Maintenance reminders for allergens
- Shared plan for caregivers
- Supplement and milestone tracking
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Starting solids, without the panic. Your baby's ready for first foods — and suddenly you're hit with two scary, conflicting messages at once: start solids, and deliberately feed the top allergens early. Where do you begin? What's safe to serve? What if they react? Nibble is the day-by-day feeding coach, built by a board-certified pediatrician, that tells you exactly what to feed today, how to serve it safely, and what to watch for. Trade 2am Googling for one calm, clear plan. WHAT NIBBLE DOES • A personalized day-by-day plan — not a 400-page database. Tell us about your baby once, then get the exact next step, every day. • The Peanut Protocol — a gentle, guided schedule for introducing peanut, egg, and the other priority allergens early and consistently, which may help reduce the risk of food allergies (per AAP, NIAID, and LEAP guidance). • Safe-serving for every food — how to cut, cook, and serve each first food for your baby's stage, plus knowing gagging from choking. • A reaction log — note anything that seems off, and Nibble helps you tell a normal mealtime mess from a reaction and points you to call your pediatrician or seek care when it matters. It never diagnoses. • Maintenance reminders — the part no one tells you about: keeping each allergen in the rotation, so early introduction actually sticks. • Shared with caregivers — partner, grandparents, nanny — everyone sees the same plan and log, in sync. • Vitamin D and supplement tracking, plus milestone-based readiness checks. WHY PARENTS TRUST NIBBLE Nibble is built and guided by a board-certified pediatrician. It's not a recipe feed or a generic tracker — it's a real, structured protocol grounded in current pediatric guidance (AAP, NIAID, and the landmark LEAP research). One plan: the right food, the right way, at the right time. PERFECT IF YOU'RE... • Starting solids around 4–6 months and unsure where to begin • Anxious about choking or allergic reactions • Confused by conflicting advice — the science recently changed, so even grandparents have it wrong • Doing baby led weaning (BLW), purées, or a mix — Nibble works for all of them TRY IT FREE Start with a 7-day free trial. After that, Nibble is $49.99/year (about $4/month) or $9.99/month. Cancel anytime — we'll remind you before your trial ends. A NOTE ON SAFETY Nibble provides educational guidance for general use and does not replace personalized medical advice. Always follow your own pediatrician's recommendations — especially for high-risk infants (severe eczema or an existing egg allergy); loop them in before your baby's first taste of peanut. If your baby shows signs of a severe reaction, call emergency services. Starting solids is a big milestone. Let's do it calmly, safely — one nibble at a time. — Nibble is a 7-day free trial, then an auto-renewing subscription ($49.99/year or $9.99/month). Payment is charged to your Apple ID at confirmation of purchase. Your subscription renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Any unused portion of the free trial is forfeited when you purchase a subscription. Terms of Use: https://nibble-legal.netlify.app/nibble-terms.html Privacy Policy: https://nibble-legal.netlify.app/nibble-privacy.html
Screenshots
Verdict
CDC's Milestone Tracker and Nibble both sit at 4.9 stars, but that hides the real split: 100% of Nibble's written reviews are positive against 62% of CDC's Milestone Tracker's. Nibble also leads on update cadence (every 5 days vs every 6 months). CDC's Milestone Tracker's advantage is in-app purchases (none vs 3) and ratings volume (10K vs 3). On price, rating, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Nibble sells 3 in-app purchases, starting at $9.99 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 Nibble. 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. Written reviews are what separate them: 62% of CDC's Milestone Tracker's written reviews are positive against 100% of Nibble's.
CDC's Milestone Tracker ships an update every 6 months, Nibble every 5 days. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.
| Parameter | CDC's Milestone Tracker | Nibble |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (10K ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 61.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 10K — better | 3 |
| Update frequency | Every 6 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 61 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Centers For Disease Control and Prevention | Tiny Anvil Studios LLC |
Customer experience
CDC's Milestone Tracker
Nibble
Bugs and requests
CDC's Milestone Tracker
Reported bugs
4 issues- 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
5 requests- 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
Nibble
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CDC's Milestone Tracker
No in-app purchases
Nibble
- Nibble Pro Monthly$9.991 Month
- Nibble Pro Yearly7 Days trial$49.991 Year
- Nibble Lifetime$79.99







