# CDC Vaccine Schedules vs Surgerize

The clearest difference is rating: Surgerize at 5.0 against CDC Vaccine Schedules's 3.5. CDC Vaccine Schedules's advantage is in-app purchases (none vs 2) and update cadence (every 3 months vs every 87 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Surgerize sells 2 one-off in-app purchases. CDC Vaccine Schedules asks for nothing beyond the download.

Surgerize holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: CDC Vaccine Schedules has 93 ratings behind it against 2, so its average is the more settled of the two.

CDC Vaccine Schedules ships an update every 3 months, Surgerize every 87 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CDC Vaccine Schedules | Surgerize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (93 ratings)](https://appshunter.io/ios/app/cdc-vaccine-schedules/id875273858/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/surgerize/id1475102174/reviews)** |
| Number of ratings | **93** | 2 |
| Positive reviews | 45.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 87 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 27 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [SGR Publications](https://appshunter.io/developer/1475102173) |

## 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


### Surgerize

[App page](https://appshunter.io/ios/app/surgerize/id1475102174)

This medical education app aids surgical residents in their studies. It provides resources for learning and preparation. Designed for focused medical learning.

**Highlights:** Surgical resident study aid, Medical education resources, Study preparation tools, Focused learning environment

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Year Specialty Access | $3.99 | one-time |
| 1 Year Specialty Access | $4.99 | one-time |


## Frequently asked questions

### Is CDC Vaccine Schedules free?

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

### Is Surgerize free?

Surgerize is free to download, with in-app purchases available.

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

Surgerize is rated higher. CDC Vaccine Schedules averages 3.5 out of 5 from 93 ratings, while Surgerize averages 5.0 from 2 ratings.

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

Neither CDC Vaccine Schedules nor Surgerize shows ads.

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

CDC Vaccine Schedules ships an update every 3 months, and Surgerize every 87 months. Most recently, CDC Vaccine Schedules was updated on November 5, 2026 and Surgerize 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.*