# Tres E vs Interop Ready

The clearest difference is device support: Interop Ready at 3 against Tres E's 1. On price, ads, in-app purchases and iOS requirement 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 | Tres E | Interop Ready |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 89 MB | 16 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WEVO ENERGY LTD](https://appshunter.io/developer/1618938199) | [Interop Ready Technologies, LLC](https://appshunter.io/developer/6795719187) |

## What reviewers say

### Tres E

[App page](https://appshunter.io/ios/app/tres-e/id6755649589)

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

**In-app purchases:** none


### Interop Ready

[App page](https://appshunter.io/ios/app/interop-ready/id6795719185)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tres E free?

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

### Is Interop Ready free?

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

### Do Tres E or Interop Ready have ads?

Neither Tres E nor Interop Ready 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.*