# PneumoRecs VaxAdvisor vs ClinCalc

The clearest difference is rating: ClinCalc at 5.0 against PneumoRecs VaxAdvisor's 3.4. ClinCalc also leads on update cadence (monthly vs every 3 months). PneumoRecs VaxAdvisor's advantage is ratings volume (60 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ClinCalc holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: PneumoRecs VaxAdvisor has 60 ratings behind it against 3, so its average is the more settled of the two.

PneumoRecs VaxAdvisor ships an update every 3 months, ClinCalc monthly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PneumoRecs VaxAdvisor | ClinCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (60 ratings)](https://appshunter.io/ios/app/pneumorecs-vaxadvisor/id1440647099/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/clincalc/id6739016756/reviews)** |
| Number of ratings | **60** | 3 |
| Positive reviews | 26.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 6 MB | 3 MB |
| Requires iOS | **18.0** | 18.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Peter Weiss](https://appshunter.io/developer/1783425640) |

## What reviewers say

### PneumoRecs VaxAdvisor

[App page](https://appshunter.io/ios/app/pneumorecs-vaxadvisor/id1440647099)

This application offers personalized pneumococcal vaccination guidance based on patient age, vaccination history, and medical conditions. It aligns with the Advisory Committee on Immunization Practices' recommendations for U.S. immunization schedules.

**Highlights:** Patient-specific vaccination recommendations, Age-based guidance, Vaccination history tracking, Underlying medical condition prompts, U.S. immunization schedule compliance

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

**In-app purchases:** none


### ClinCalc

[App page](https://appshunter.io/ios/app/clincalc/id6739016756)

This medical app assists in calculating daily energy and protein requirements based on user height and weight. It also incorporates age-specific calculations for comprehensive nutritional assessment.

**Highlights:** Energy needs calculation, Protein needs calculation, Height and weight input, Age-based calculations, Nutritional assessment tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PneumoRecs VaxAdvisor free?

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

### Is ClinCalc free?

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

### Which has better reviews, PneumoRecs VaxAdvisor or ClinCalc?

ClinCalc is rated higher. PneumoRecs VaxAdvisor averages 3.4 out of 5 from 60 ratings, while ClinCalc averages 5.0 from 3 ratings.

### Do PneumoRecs VaxAdvisor or ClinCalc have ads?

Neither PneumoRecs VaxAdvisor nor ClinCalc shows ads.

### Which is updated more often, PneumoRecs VaxAdvisor or ClinCalc?

PneumoRecs VaxAdvisor ships an update every 3 months, and ClinCalc monthly. Most recently, PneumoRecs VaxAdvisor was updated on October 22, 2026 and ClinCalc on October 24, 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.*