# ONCALLAPP7 vs OpenEvidence

The clearest difference is ratings volume: OpenEvidence at 12K against ONCALLAPP7's 3. OpenEvidence also leads on update cadence (weekly vs every 3 weeks) and chart position (#31 vs unranked). ONCALLAPP7's advantage is review sentiment (100% vs 80%). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for ONCALLAPP7 against 4.9 for OpenEvidence. That said, the two scores are not equally well evidenced: OpenEvidence has 12K ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 100% of ONCALLAPP7's written reviews are positive against 80% of OpenEvidence's.

ONCALLAPP7 ships an update every 3 weeks, OpenEvidence weekly. The most recent releases landed on August 30, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ONCALLAPP7 | OpenEvidence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/oncallapp7/id6473753016/reviews)** | [4.9 (12K ratings)](https://appshunter.io/ios/app/openevidence/id6612007783/reviews) |
| Number of ratings | 3 | **12K** |
| Positive reviews | **100.0% of reviews** | 80.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | Free |
| Best chart rank | — | **#31** |
| Size | 75 MB | 95 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [OnCall Solutions](https://appshunter.io/developer/1509173455) | [OpenEvidence Inc.](https://appshunter.io/developer/1761260627) |

## What reviewers say

### ONCALLAPP7

[App page](https://appshunter.io/ios/app/oncallapp7/id6473753016)

This app facilitates secure messaging and advanced call scheduling for medical professionals across various specialties. It allows users to manage their availability, forwarding messages to designated contacts when offline, and supports rich media in SMS communications.

**Highlights:** Advanced call scheduling, Secure messaging, Availability status management, Message forwarding, SMS with media support

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

**In-app purchases:** none


### OpenEvidence

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

**Currently charting:** #31 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 ONCALLAPP7 free?

ONCALLAPP7 is free to download, with no in-app purchases.

### Is OpenEvidence free?

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

### Which has better reviews, ONCALLAPP7 or OpenEvidence?

ONCALLAPP7 is rated higher. ONCALLAPP7 averages 5.0 out of 5 from 3 ratings, while OpenEvidence averages 4.9 from 12K ratings.

### Do ONCALLAPP7 or OpenEvidence have ads?

Neither ONCALLAPP7 nor OpenEvidence shows ads.

### Which is updated more often, ONCALLAPP7 or OpenEvidence?

ONCALLAPP7 ships an update every 3 weeks, and OpenEvidence weekly. Most recently, ONCALLAPP7 was updated on August 30, 2026 and OpenEvidence on September 24, 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.*