# TCDC Libraries vs Green Mark

The clearest difference is device support: TCDC Libraries at 3 against Green Mark's 1. TCDC Libraries also leads on iOS requirement (15.6 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | TCDC Libraries | Green Mark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 50 MB | 22 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Department of Internal Affairs](https://appshunter.io/developer/1442760439) | [MUHARREM KOROGLU](https://appshunter.io/developer/1736924153) |

## What reviewers say

### TCDC Libraries

[App page](https://appshunter.io/ios/app/tcdc-libraries/id1461713427)

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

**In-app purchases:** none


### Green Mark

[App page](https://appshunter.io/ios/app/green-mark-recycling-map/id6754467221)

**In-app purchases:** none


## Frequently asked questions

### Is TCDC Libraries free?

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

### Is Green Mark free?

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

### Do TCDC Libraries or Green Mark have ads?

Neither TCDC Libraries nor Green Mark shows ads.

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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.*