Comparison

CDC Vaccine Schedules vs BladderSafe

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

BladderSafe

Features
Read full description

Note: BladderSafe is intended for use by medical professionals. Non-medical users of our app are reminded to seek a doctor’s advice before making any medical decisions that may be informed by the guidelines in this app. BladderSafe includes a decision tree based on published research regarding the appropriate use of urinary catheters for a variety of medical and surgical situations. This research was completed by the Patient Safety Enhancement Program team at the University of Michigan. The app includes guidelines for evidence-based practices from the Ann Arbor Criteria (DOI:10.7326/M14-1304) and the Michigan Appropriate Perioperative Criteria (DOI:10.1136/bmjqs-2018-008025).

Screenshots

CDC Vaccine Schedules1 screens
BladderSafe4 screens

Verdict

The call

The clearest difference is iOS requirement: BladderSafe at 13.0 against CDC Vaccine Schedules's 15.0. On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

CDC Vaccine Schedules ships an update every 3 months, BladderSafe every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
CDC Vaccine Schedules versus BladderSafe: the parameters behind the verdict, then further details
ParameterCDC Vaccine SchedulesBladderSafe
PriceFreeFree
Rating3.5 (93 ratings) — better—
Positive reviews45.0% of reviews—
Number of ratings93 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size8 MB18 MB
Age rating17+17+
DeveloperCenters For Disease Control and PreventionThe University of Michigan

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
Show 5 more
  • 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
Show 10 more
  • 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

BladderSafe

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CDC Vaccine Schedules

No in-app purchases

None

BladderSafe

No in-app purchases

Questions

Is CDC Vaccine Schedules free?
CDC Vaccine Schedules is free to download, with no in-app purchases.
Is BladderSafe free?
BladderSafe is free to download, with no in-app purchases.
Do CDC Vaccine Schedules or BladderSafe have ads?
Neither CDC Vaccine Schedules nor BladderSafe shows ads.
Which is updated more often, CDC Vaccine Schedules or BladderSafe?
CDC Vaccine Schedules ships an update every 3 months, and BladderSafe every 2 months. Most recently, CDC Vaccine Schedules was updated on October 24, 2026 and BladderSafe on October 25, 2026.

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