# Antithrombotic Guidelines vs OpenEvidence

The clearest difference is review sentiment: OpenEvidence at 81% against Antithrombotic Guidelines's 0%. OpenEvidence also leads on price (Free vs $3.99) and rating (4.9 vs 2.2). Antithrombotic Guidelines's advantage is iOS requirement (10.0 vs 15.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

OpenEvidence is free to download; Antithrombotic Guidelines costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OpenEvidence holds the better App Store score, 4.9 against 2.2. That said, the two scores are not equally well evidenced: OpenEvidence has 12K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Antithrombotic Guidelines's written reviews are positive against 81% of OpenEvidence's.

Antithrombotic Guidelines ships an update every 4 days, OpenEvidence weekly. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Antithrombotic Guidelines | OpenEvidence |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [2.2 (5 ratings)](https://appshunter.io/ios/app/antithrombotic-guidelines/id1585816596/reviews) | **[4.9 (12K ratings)](https://appshunter.io/ios/app/openevidence/id6612007783/reviews)** |
| Number of ratings | 5 | **12K** |
| Positive reviews | 0.0% of reviews | **81.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Paid | **Free** |
| Best chart rank | — | **#32** |
| Size | 30 MB | 95 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | +17 |
| Developer | [SOCIETY OF INTERVENTIONAL PAIN MANAGEMENT SURGERY CENTERS, INC](https://appshunter.io/developer/1474285323) | [OpenEvidence Inc.](https://appshunter.io/developer/1761260627) |

## What reviewers say

### Antithrombotic Guidelines

[App page](https://appshunter.io/ios/app/antithrombotic-guidelines/id1585816596)

This medical reference app provides quick access to guidelines for antithrombotic and epidural procedures. It allows users to select drugs and procedures to view relevant information, including reversal guidelines and drug details. The app also offers PDF versions of research articles and a checklist for offline use.

**Highlights:** Guideline lookup by drug and procedure, Drug reversal guidelines, Searchable drug and procedure database, Favorite drugs and procedures, Offline functionality, Access to original research PDFs

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

**In-app purchases:** none


### OpenEvidence

[App page](https://appshunter.io/ios/app/openevidence/id6612007783)

**Currently charting:** #32 Top Free · Medical (US App Store)

This app provides healthcare professionals with evidence-based clinical decision support and medical information. It acts as a search engine, sourcing answers from peer-reviewed literature and leading medical organizations to aid in high-stakes medical decisions at the point of care.

**Highlights:** Clinical decision support, Medical search engine, Sourced from peer-reviewed literature, FDA and CDC data integration, Partnerships with leading medical journals, Verified healthcare professional access

**Features:** Siri integration

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate and concise answers
- 💡 Provides references and sources
- 👍 Helpful for clinical practice
- 🚀 Efficient search and retrieval
- 👍 Invaluable quick reference tool

**What reviewers complain about**

- 🐛 App not working in latest update
- ⚠️ Requires specific prompts for complete information

**Reported bugs**

- App not working in latest update

**Requested features**

- Availability on MacBook
- Integration with clinical workflows and EMRs


## Frequently asked questions

### Is Antithrombotic Guidelines free?

Antithrombotic Guidelines costs $3.99, with no in-app purchases.

### Is OpenEvidence free?

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

### Which has better reviews, Antithrombotic Guidelines or OpenEvidence?

OpenEvidence is rated higher. Antithrombotic Guidelines averages 2.2 out of 5 from 5 ratings, while OpenEvidence averages 4.9 from 12K ratings.

### Do Antithrombotic Guidelines or OpenEvidence have ads?

Neither Antithrombotic Guidelines nor OpenEvidence shows ads.

### Which is updated more often, Antithrombotic Guidelines or OpenEvidence?

Antithrombotic Guidelines ships an update every 4 days, and OpenEvidence weekly. Most recently, Antithrombotic Guidelines was updated on October 16, 2026 and OpenEvidence on October 21, 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.*