# BPNA vs ECO Events

The clearest difference is update cadence: ECO Events at every 4 weeks against BPNA's every 4 months. 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.

BPNA ships an update every 4 months, ECO Events every 4 weeks. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | BPNA | ECO Events |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Size | 84 MB | 115 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [British Paediatric Neurology Association](https://appshunter.io/developer/1325552016) | [EUROPEAN CANCER ORGANISATION AISBL](https://appshunter.io/developer/487301376) |

## What reviewers say

### BPNA

[App page](https://appshunter.io/ios/app/bpna/id1325552017)

**Features:** macOS Compatibility

**In-app purchases:** none


### ECO Events

[App page](https://appshunter.io/ios/app/eco-events/id6723885330)

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

**In-app purchases:** none


## Frequently asked questions

### Is BPNA free?

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

### Is ECO Events free?

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

### Do BPNA or ECO Events have ads?

Neither BPNA nor ECO Events shows ads.

### Which is updated more often, BPNA or ECO Events?

BPNA ships an update every 4 months, and ECO Events every 4 weeks. Most recently, BPNA was updated on September 18, 2026 and ECO Events on September 8, 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.*