# ESOT vs ECO Events

The clearest difference is update cadence: ECO Events at monthly against ESOT's every 5 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.

ESOT ships an update every 5 months, ECO Events monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ESOT | ECO Events |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 84 MB | 112 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Steunstichting ESOT](https://appshunter.io/developer/1394032818) | [EUROPEAN CANCER ORGANISATION AISBL](https://appshunter.io/developer/487301376) |

## What reviewers say

### ESOT

[App page](https://appshunter.io/ios/app/esot/id1518011192)

**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 ESOT free?

ESOT 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 ESOT or ECO Events have ads?

Neither ESOT nor ECO Events shows ads.

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

ESOT ships an update every 5 months, and ECO Events monthly. Most recently, ESOT was updated on November 3, 2026 and ECO Events on October 30, 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.*