# CDC Vaccine Schedules vs Rx Corner

The clearest difference is review sentiment: Rx Corner at 95% against CDC Vaccine Schedules's 45%. Rx Corner also leads on rating (4.9 vs 3.5) and update cadence (every 6 weeks vs every 3 months). CDC Vaccine Schedules's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

Rx Corner holds the better App Store score, 4.9 against 3.5. Both are backed by a comparable volume of ratings — 93 and 49 respectively. Written reviews point the same way: 45% of CDC Vaccine Schedules's written reviews are positive against 95% of Rx Corner's.

CDC Vaccine Schedules ships an update every 3 months, Rx Corner every 6 weeks. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CDC Vaccine Schedules | Rx Corner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (93 ratings)](https://appshunter.io/ios/app/cdc-vaccine-schedules/id875273858/reviews) | **[4.9 (49 ratings)](https://appshunter.io/ios/app/rx-corner/id1512839596/reviews)** |
| Number of ratings | **93** | 49 |
| Positive reviews | 45.0% of reviews | **94.7% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 9 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Collishaw Technologies LLC](https://appshunter.io/developer/1512839595) |

## 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


### Rx Corner

[App page](https://appshunter.io/ios/app/rx-corner/id1512839596)

This app offers a convenient way to study pharmaceutical information on the go. It helps users learn and memorize drug equivalents, indications, classes, sig codes, and dosing calculations through interactive quizzes. Users can also flag difficult questions for focused review.

**Highlights:** Brand and generic drug equivalents, Medication classes and indications, Sig codes and conversions, Randomly generated quiz questions, Starred list for difficult questions, Light and dark mode

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

**In-app purchases:** none


## Frequently asked questions

### Is CDC Vaccine Schedules free?

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

### Is Rx Corner free?

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

### Which has better reviews, CDC Vaccine Schedules or Rx Corner?

Rx Corner is rated higher. CDC Vaccine Schedules averages 3.5 out of 5 from 93 ratings, while Rx Corner averages 4.9 from 49 ratings.

### Do CDC Vaccine Schedules or Rx Corner have ads?

Rx Corner shows ads; CDC Vaccine Schedules does not.

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

CDC Vaccine Schedules ships an update every 3 months, and Rx Corner every 6 weeks. Most recently, CDC Vaccine Schedules was updated on November 5, 2026 and Rx Corner on November 3, 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.*