# oPro vs ERA Congress

The clearest difference is ads: ERA Congress at none against oPro's shown. oPro's advantage is update cadence (every 2 months vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

oPro ships an update every 2 months, ERA Congress every 6 months. The most recent releases landed on July 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | oPro | ERA Congress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/opro/id1333929338/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Ad-supported | — |
| Size | 59 MB | 12 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [iPay (Private) Limited](https://appshunter.io/developer/1298984090) | [M Events Cross Media GmbH](https://appshunter.io/developer/455654224) |

## What reviewers say

### oPro

[App page](https://appshunter.io/ios/app/opro/id1333929338)

Connect with patients for video consultations directly from your mobile device. Electronically prescribe medication and manage patient records with an integrated Electronic Health Record system. Set your own availability and fees for flexible healthcare provision.

**Highlights:** Video consultations, E-prescribing, Electronic Health Record (EHR), Flexible scheduling, Set consultation fees, Direct bank deposits

**In-app purchases:** none


### ERA Congress

[App page](https://appshunter.io/ios/app/era-congress/id6498862984)

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

**In-app purchases:** none


## Frequently asked questions

### Is oPro free?

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

### Is ERA Congress free?

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

### Do oPro or ERA Congress have ads?

oPro shows ads; ERA Congress does not.

### Which is updated more often, oPro or ERA Congress?

oPro ships an update every 2 months, and ERA Congress every 6 months. Most recently, oPro was updated on July 7, 2026 and ERA Congress on September 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.*