# AHRQuestionBuilder vs COSA

The clearest difference is ads: AHRQuestionBuilder at none against COSA's shown. AHRQuestionBuilder also leads on rating (4.0 vs 3.7) and monetization model (free vs ad-supported). COSA's advantage is update cadence (every 3 months vs every 13 months) and iOS requirement (11.0 vs 14.0). On price, ratings volume, 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.

AHRQuestionBuilder holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 8 and 3 respectively.

AHRQuestionBuilder ships an update every 13 months, COSA every 3 months. The most recent releases landed on September 3, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | AHRQuestionBuilder | COSA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/ahrquestionbuilder/id1455119729/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/cosa-medication-information/id1626158440/reviews) |
| Number of ratings | **8** | 3 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 23 MB | 28 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AHRQ](https://appshunter.io/developer/311852563) | [MEDICAL EDUCATION RESOURCES, LLC](https://appshunter.io/developer/1561046509) |

## What reviewers say

### AHRQuestionBuilder

[App page](https://appshunter.io/ios/app/ahrquestionbuilder/id1455119729)

This app helps patients prepare for medical appointments by organizing visit details, symptoms, and questions. It allows customization of queries and saves time for both patients and healthcare providers. Users can also add appointments to their calendar and email details.

**Highlights:** Organize appointment details, Customize questions for doctors, Describe symptoms and concerns, Add appointments to e-calendar, Email appointment details

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

**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 AHRQuestionBuilder free?

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

### Is COSA free?

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

### Which has better reviews, AHRQuestionBuilder or COSA?

AHRQuestionBuilder is rated higher. AHRQuestionBuilder averages 4.0 out of 5 from 8 ratings, while COSA averages 3.7 from 3 ratings.

### Do AHRQuestionBuilder or COSA have ads?

COSA shows ads; AHRQuestionBuilder does not.

### Which is updated more often, AHRQuestionBuilder or COSA?

AHRQuestionBuilder ships an update every 13 months, and COSA every 3 months. Most recently, AHRQuestionBuilder was updated on September 3, 2026 and COSA on September 10, 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.*