# OpenEvidence vs ASD Data Collect

The clearest difference is update cadence: OpenEvidence at weekly against ASD Data Collect's every 5 weeks. OpenEvidence also leads on chart position (#34 vs unranked). On price, ads, 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.

OpenEvidence ships an update weekly, ASD Data Collect every 5 weeks. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | OpenEvidence | ASD Data Collect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (12K ratings)](https://appshunter.io/ios/app/openevidence/id6612007783/reviews)** | — |
| Number of ratings | **12K** | — |
| Positive reviews | 81.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free | — |
| Best chart rank | **#34** | — |
| Size | 95 MB | 28 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +17 | 4+ |
| Developer | [OpenEvidence Inc.](https://appshunter.io/developer/1761260627) | [Wenqi Li](https://appshunter.io/developer/1848064923) |

## What reviewers say

### OpenEvidence

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

**Currently charting:** #34 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


### ASD Data Collect

[App page](https://appshunter.io/ios/app/asd-data-collect/id6760845123)

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

**In-app purchases:** none


## Frequently asked questions

### Is OpenEvidence free?

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

### Is ASD Data Collect free?

ASD Data Collect is free to download, with no in-app purchases.

### Do OpenEvidence or ASD Data Collect have ads?

Neither OpenEvidence nor ASD Data Collect shows ads.

### Which is updated more often, OpenEvidence or ASD Data Collect?

OpenEvidence ships an update weekly, and ASD Data Collect every 5 weeks. Most recently, OpenEvidence was updated on October 26, 2026 and ASD Data Collect on October 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.*