# Epi Tools vs PAHO Virtual Campus

The clearest difference is update cadence: Epi Tools at every 2 months against PAHO Virtual Campus's every 8 months. Epi Tools also leads on iOS requirement (13.4 vs 15.0). PAHO Virtual Campus's advantage is ratings volume (12 vs 1). On price, rating, review sentiment 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.

On the App Store both sit at effectively the same score — 5.0 for Epi Tools against 5.0 for PAHO Virtual Campus. That said, the two scores are not equally well evidenced: PAHO Virtual Campus has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Epi Tools ships an update every 2 months, PAHO Virtual Campus every 8 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Epi Tools | PAHO Virtual Campus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/epi-tools/id1611139482/reviews) | [5.0 (12 ratings)](https://appshunter.io/ios/app/paho-virtual-campus/id1635573139/reviews) |
| Number of ratings | 1 | **12** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 19 MB | 58 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Mark Stevenson](https://appshunter.io/developer/1611139484) | [Pan American Health Organization](https://appshunter.io/developer/1296970486) |

## What reviewers say

### Epi Tools

[App page](https://appshunter.io/ios/app/epi-tools/id1611139482)

This app provides a suite of epidemiological calculation tools for disease frequency, association, and effect measures. It also includes sample size calculators, diagnostic test validation, and a comprehensive glossary of terms.

**Highlights:** Measures of disease frequency with confidence intervals, Measures of association and effect, Sample size calculators, Diagnostic test validation, Post-test probability estimation, Random number generator, Epidemiology glossary

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

**In-app purchases:** none


### PAHO Virtual Campus

[App page](https://appshunter.io/ios/app/paho-virtual-campus/id1635573139)

This educational platform offers free virtual courses and resources for health workers and students in the Americas. Learn at your own pace on various public health topics and earn a certificate of participation.

**Highlights:** Free virtual courses, Public health topics, Self-paced learning, Free certificates, Multiple languages, Global community

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Epi Tools free?

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

### Is PAHO Virtual Campus free?

PAHO Virtual Campus is free to download, with no in-app purchases.

### Which has better reviews, Epi Tools or PAHO Virtual Campus?

Epi Tools and PAHO Virtual Campus are both rated 5.0 out of 5 on the App Store, from 1 and 12 ratings respectively.

### Do Epi Tools or PAHO Virtual Campus have ads?

Neither Epi Tools nor PAHO Virtual Campus shows ads.

### Which is updated more often, Epi Tools or PAHO Virtual Campus?

Epi Tools ships an update every 2 months, and PAHO Virtual Campus every 8 months. Most recently, Epi Tools was updated on November 3, 2026 and PAHO Virtual Campus 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.*