# StructuraE vs Amber Tray

The clearest difference is iOS requirement: StructuraE at 13.0 against Amber Tray's 15.0. 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.

## The numbers

| Metric | StructuraE | Amber Tray |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 28 MB | 33 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Van Vinh Dinh](https://appshunter.io/developer/6796632038) | [Sahiel Afriaz](https://appshunter.io/developer/6780333785) |

## What reviewers say

### StructuraE

[App page](https://appshunter.io/ios/app/structurae/id6796632036)

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

**In-app purchases:** none


### Amber Tray

[App page](https://appshunter.io/ios/app/amber-tray/id6804966848)

**In-app purchases:** none


## Frequently asked questions

### Is StructuraE free?

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

### Is Amber Tray free?

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

### Do StructuraE or Amber Tray have ads?

Neither StructuraE nor Amber Tray 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.*