# CDC Vaccine Schedules vs mobilePDR

The clearest difference is rating: CDC Vaccine Schedules at 3.5 against mobilePDR's 3.2. CDC Vaccine Schedules also leads on review sentiment (45% vs 32%). mobilePDR's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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 3.2. Both are backed by a comparable volume of ratings — 93 and 107 respectively. Written reviews point the same way: 45% of CDC Vaccine Schedules's written reviews are positive against 32% of mobilePDR's.

CDC Vaccine Schedules ships an update every 3 months, mobilePDR every 2 months. The most recent releases landed on November 5, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | CDC Vaccine Schedules | mobilePDR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (93 ratings)](https://appshunter.io/ios/app/cdc-vaccine-schedules/id875273858/reviews)** | [3.2 (107 ratings)](https://appshunter.io/ios/app/mobilepdr/id964947063/reviews) |
| Number of ratings | 93 | **107** |
| Positive reviews | **45.0% of reviews** | 31.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 8 MB | 112 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [PDR Equity, LLC](https://appshunter.io/developer/781863012) |

## What reviewers say

### CDC Vaccine Schedules

[App page](https://appshunter.io/ios/app/cdc-vaccine-schedules/id875273858)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Handy reference for vaccine schedules
- 👍 Good for pharmacists
- 👍 Useful for NPs
- 👍 Informative for parents
- 👍 Quick and easy navigation

**What reviewers complain about**

- 🐛 Not updating to current recommendations
- 🐛 No longer valuable for vaccines
- 🐛 Dangerous and useless ordeal
- 🐛 Not user friendly
- 🐛 Poor app design

**Reported bugs**

- App not updating to current recommendations
- App stopped working
- App no longer loads
- App keeps crashing
- App freezes and cannot press home button

**Requested features**

- 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


### mobilePDR

[App page](https://appshunter.io/ios/app/mobilepdr/id964947063)

Access up-to-date drug prescribing information for healthcare professionals. Quickly search thousands of drug summaries, compare medications, and check for interactions. Identify pills with color photos and imprint codes.

**Highlights:** Concise drug summaries, Drug comparison tool, Drug interaction checker, Pill identification with photos, Search by brand, generic, or class, Continuous updates

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great information resource
- 👍 Useful for medical professionals
- 👍 Detailed drug information
- 👍 No subscriptions needed
- 👍 Quick and accurate descriptions

**What reviewers complain about**

- ⚫ Unreadable in dark mode
- ⚫ Dark text on black background
- ⚫ Poor contrast issues
- 🐛 Buggy at times
- 🐛 App crashes frequently

**Reported bugs**

- Text unreadable in dark mode
- Black text on black background
- App crashes during comparison
- App crashes on launch
- Login errors

**Requested features**

- Add dark mode option
- Improve readability in dark mode
- Allow landscape orientation
- Fix drug identification errors
- Add DEA/drug scheduling tab


## Frequently asked questions

### Is CDC Vaccine Schedules free?

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

### Is mobilePDR free?

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

### Which has better reviews, CDC Vaccine Schedules or mobilePDR?

CDC Vaccine Schedules is rated higher. CDC Vaccine Schedules averages 3.5 out of 5 from 93 ratings, while mobilePDR averages 3.2 from 107 ratings.

### Do CDC Vaccine Schedules or mobilePDR have ads?

Neither CDC Vaccine Schedules nor mobilePDR shows ads.

### Which is updated more often, CDC Vaccine Schedules or mobilePDR?

CDC Vaccine Schedules ships an update every 3 months, and mobilePDR every 2 months. Most recently, CDC Vaccine Schedules was updated on November 5, 2026 and mobilePDR on November 1, 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.*