# EACS vs Mensa Guide

The clearest difference is in-app purchases: EACS at none against Mensa Guide's 2. EACS also leads on iOS requirement (15.0 vs 17.0). Mensa Guide's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Mensa Guide sells 2 in-app purchases, starting at $1.99 per month. EACS asks for nothing beyond the download.

EACS ships an update every 4 months, Mensa Guide weekly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | EACS | Mensa Guide |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 72.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Subscription |
| Size | 44 MB | 52 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 17+ |
| Developer | [Antimicrobial Therapy, Inc.](https://appshunter.io/developer/443442554) | [GARMENMED, SCP](https://appshunter.io/developer/1178687025) |

## What reviewers say

### EACS

[App page](https://appshunter.io/ios/app/eacs/id1044471845)

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

**In-app purchases:** none


### Mensa Guide

[App page](https://appshunter.io/ios/app/mensa-guide/id1205990848)

This medical reference app provides quick access to antimicrobial therapy information. It features interactive navigation, advanced search capabilities, and built-in clinical calculators. Content is continuously updated to reflect the latest medical research and guidelines.

**Highlights:** Interactive word navigation, Advanced search functionality, Pathogen filtering, Built-in clinical calculators, Continuously updated content, Inline notes and references

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Annual Subscription | $19.99 | per year |


## Frequently asked questions

### Is EACS free?

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

### Is Mensa Guide free?

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

### Do EACS or Mensa Guide have ads?

Neither EACS nor Mensa Guide shows ads.

### Which is updated more often, EACS or Mensa Guide?

EACS ships an update every 4 months, and Mensa Guide weekly. Most recently, EACS was updated on October 9, 2026 and Mensa Guide on October 7, 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.*