# DENSE Trial vs COSA

The clearest difference is ads: DENSE Trial at none against COSA's shown. On price, update cadence, 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.

DENSE Trial ships an update every 5 months, COSA every 3 months. The most recent releases landed on August 26, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DENSE Trial | COSA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/cosa-medication-information/id1626158440/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | — | Ad-supported |
| Size | 184 MB | 28 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BestApps BV](https://appshunter.io/developer/329677410) | [MEDICAL EDUCATION RESOURCES, LLC](https://appshunter.io/developer/1561046509) |

## What reviewers say

### DENSE Trial

[App page](https://appshunter.io/ios/app/dense-trial/id1452898975)

**In-app purchases:** none


### COSA

[App page](https://appshunter.io/ios/app/cosa-medication-information/id1626158440)

Access essential drug information and advanced patient resources. This app provides a portion of licensed drug data from a leading healthcare information provider, based on industry-standard databases.

**Highlights:** Essential drug information, Advanced patient resources, Licensed drug data, Industry-standard databases, Physician-focused resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DENSE Trial free?

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

### Is COSA free?

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

### Do DENSE Trial or COSA have ads?

COSA shows ads; DENSE Trial does not.

### Which is updated more often, DENSE Trial or COSA?

DENSE Trial ships an update every 5 months, and COSA every 3 months. Most recently, DENSE Trial was updated on August 26, 2026 and COSA on October 14, 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.*