CDC Vaccine Schedules vs StrepApp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CDC Vaccine Schedules
Provides healthcare professionals with quick access to CDC-recommended immunization schedules for all ages. Features include color-coded schedules, hyperlinked vaccine details, and catch-up schedules. Content is automatically updated when connected to ensure the latest information.
- Infant, child, and adolescent schedules
- Adult immunization recommendations
- Contraindications and precautions table
- Color-coded schedule coordination
- Hyperlinked dose specifics
- Catch-up schedule guidance
- Automatic content updates
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Quick access from CDC to ACIP-recommended immunization schedules, complete with footnotes. Intended for healthcare professionals recommending and administering vaccines to infants, children, adolescents, and adults. This app is one of an expanding collection of applications from CDC on a variety of specific topics, each optimized for your mobile device. When your device is connected, content is automatically updated so you have the most up-to-date information. This tool provides: - Child and adolescent schedules, with immunization recommendations from birth through age 18 - Adult schedule, listing recommended vaccines for adults by age group and by medical conditions - Contraindications and precautions table, with footnotes applying to schedules Features include - Color coding coordinates with printed schedules - Hyperlinked vaccine name opens pop-up with dose specifics - Catch-up schedule for children 4 months through 18 years shows minimum dosing interval - Related vaccine resources and websites - Automatic updates
StrepApp
This medical app allows authorized users to capture and upload anonymized images of throats suspected of strep throat, along with lab results. Data is stored remotely for research and reference, with strict password protection and privacy measures in place.
- Anonymized throat image capture
- Laboratory test result upload
- Remote data storage
- Password-protected access
- Age and gender data collection
- Confidentiality and data handling policies
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StrepApp is an app to collect anonymized captured images of a Study Subject’s throat with suspecting group A Streptococcus (GAS) pharyngitis. The images and the corresponding laboratory test results will be uploaded to a remote database for post-processing storage and reference. The app is password-protected, so only authorized users can use the app to capture and upload images. Only the patient’s ages and gender are stored, no other PHIs are stored in the remote database. For access to the application please contact via Email: tnnguyen@cnmc.org Link to CNMC IRB app and its process approval is: https://www.dropbox.com/s/o2enu7l6qlhzb8s/Correspondence%20Letter%20for%20Pro00014100CA.pdf?dl=0 - information about confidentiality and handling of data (including any sharing with third parties) Information and Data handling is clearly defined in our Privacy policy. https://ngoctrong29.wixsite.com/home/strepapp - a point of contact for participant questions Trong Nguyen, PhD Email: tnnguyen@cnmc.org Mobile: 217-721-4677
Screenshots
Verdict
The clearest difference is review sentiment: CDC Vaccine Schedules at 45% against StrepApp's 0%. CDC Vaccine Schedules also leads on rating (3.5 vs 2.7) and ratings volume (93 vs 7). StrepApp's advantage is update cadence (fortnightly vs every 3 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
CDC Vaccine Schedules holds the better App Store score, 3.5 against 2.7. That said, the two scores are not equally well evidenced: CDC Vaccine Schedules has 93 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 45% of CDC Vaccine Schedules's written reviews are positive against 0% of StrepApp's.
CDC Vaccine Schedules ships an update every 3 months, StrepApp fortnightly. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.
| Parameter | CDC Vaccine Schedules | StrepApp |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (93 ratings) — better | 2.7 (7 ratings) |
| Positive reviews | 45.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 93 — better | 7 |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 8 MB | 44 MB |
| Age rating | 17+ | 17+ |
| Developer | Centers For Disease Control and Prevention | Auscultech DX |
Customer experience
CDC Vaccine Schedules
StrepApp
Bugs and requests
CDC Vaccine Schedules
Reported bugs
10 issues- App not updating to current recommendations
- App stopped working
- App no longer loads
- App keeps crashing
- App freezes and cannot press home button
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- App freezes when viewing contraindications
- Cannot push back arrow, app has to be closed
- Cannot scroll page to view all schedules
- App does not work with iPhone 6
- Errors abound, forces app restart
Requested features
15 requests- Update to current recommendations
- Include COVID and travel vaccines
- Separate guide for 65+
- Include adverse effects and package inserts
- Allow continuous symptom monitoring and reporting
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- Improve app design for personalization
- Add map legend
- Include COVID vaccine efficacy and breakthrough case reporting
- Add option to track vaccination records
- Include less common vaccines
- Option to add vaccines by date for reminders
- Add travel medicine link to main screen
- Disclaim age schedules assume normal health
- Instructions on how to use app
- Option to customize health profile
StrepApp
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CDC Vaccine Schedules
No in-app purchases
StrepApp
No in-app purchases
Questions
Is CDC Vaccine Schedules free?
Is StrepApp free?
Which has better reviews, CDC Vaccine Schedules or StrepApp?
Do CDC Vaccine Schedules or StrepApp have ads?
Which is updated more often, CDC Vaccine Schedules or StrepApp?
Other comparisons
