# VanEcza vs Green Science

The clearest difference is update cadence: VanEcza at every 2 weeks against Green Science's every 2 months. Green Science's advantage is iOS requirement (15.5 vs 17.6). 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.

VanEcza ships an update every 2 weeks, Green Science every 2 months. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | VanEcza | Green Science |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 61 MB | 56 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Hafzullah YILDIRIM](https://appshunter.io/developer/1786056480) | [ZEY ENERJI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1772906289) |

## What reviewers say

### VanEcza

[App page](https://appshunter.io/ios/app/vanecza/id6471564621)

**Features:** macOS Compatibility

**In-app purchases:** none


### Green Science

[App page](https://appshunter.io/ios/app/green-science/id6736655887)

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

**In-app purchases:** none


## Frequently asked questions

### Is VanEcza free?

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

### Is Green Science free?

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

### Do VanEcza or Green Science have ads?

Neither VanEcza nor Green Science shows ads.

### Which is updated more often, VanEcza or Green Science?

VanEcza ships an update every 2 weeks, and Green Science every 2 months. Most recently, VanEcza was updated on October 5, 2026 and Green Science on October 16, 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.*