# ERA Congress vs Patient Thread

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

Both are free to download. Patient Thread sells 2 in-app purchases, starting at $15.00 per month. ERA Congress asks for nothing beyond the download.

ERA Congress ships an update every 6 months, Patient Thread monthly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ERA Congress | Patient Thread |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Size | 12 MB | 31 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [M Events Cross Media GmbH](https://appshunter.io/developer/455654224) | [Patient Thread Ltd](https://appshunter.io/developer/1896736341) |

## What reviewers say

### ERA Congress

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

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

**In-app purchases:** none


### Patient Thread

[App page](https://appshunter.io/ios/app/patient-thread/id6771918919)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Connected | $15.00 | per month |
| Complete | $25.00 | per month |


## Frequently asked questions

### Is ERA Congress free?

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

### Is Patient Thread free?

Patient Thread is free to download, with in-app purchases available.

### Do ERA Congress or Patient Thread have ads?

Neither ERA Congress nor Patient Thread shows ads.

### Which is updated more often, ERA Congress or Patient Thread?

ERA Congress ships an update every 6 months, and Patient Thread monthly. Most recently, ERA Congress was updated on October 25, 2026 and Patient Thread on October 28, 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.*