# EcoStream vs De Groene Delta

The clearest difference is update cadence: De Groene Delta at every 2 weeks against EcoStream's every 19 months. De Groene Delta also leads on iOS requirement (13.0 vs 15.1). 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.

EcoStream ships an update every 19 months, De Groene Delta every 2 weeks. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | EcoStream | De Groene Delta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 weeks** |
| Size | 27 MB | 35 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BUVA](https://appshunter.io/developer/1304938879) | [Webzites.nl](https://appshunter.io/developer/600518822) |

## What reviewers say

### EcoStream

[App page](https://appshunter.io/ios/app/ecostream/id1410079111)

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

**In-app purchases:** none


### De Groene Delta

[App page](https://appshunter.io/ios/app/de-groene-delta/id1624655138)

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

**In-app purchases:** none


## Frequently asked questions

### Is EcoStream free?

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

### Is De Groene Delta free?

De Groene Delta is free to download, with no in-app purchases.

### Do EcoStream or De Groene Delta have ads?

Neither EcoStream nor De Groene Delta shows ads.

### Which is updated more often, EcoStream or De Groene Delta?

EcoStream ships an update every 19 months, and De Groene Delta every 2 weeks. Most recently, EcoStream was updated on October 5, 2026 and De Groene Delta on October 13, 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.*