# Ethereal Lenses vs Three Device Security

The clearest difference is iOS requirement: Ethereal Lenses at 11.0 against Three Device Security's 14.0. 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 | Ethereal Lenses | Three Device Security |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ethereal-lenses/id1389892637/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Free | — |
| Size | 48 MB | 68 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phonebase LTD](https://appshunter.io/developer/938688509) | [Hutchison 3G UK Ltd](https://appshunter.io/developer/393530269) |

## What reviewers say

### Ethereal Lenses

[App page](https://appshunter.io/ios/app/ethereal-lenses/id1389892637)

This app helps you choose the best contact lenses based on your lifestyle. It allows you to visualize lens distortions in real-time using your device's camera.

**Highlights:** Lifestyle-based lens selection, Real-time distortion field viewing, Camera integration for visualization, Easy step-by-step input

**Features:** macOS Compatibility

**In-app purchases:** none


### Three Device Security

[App page](https://appshunter.io/ios/app/three-device-security/id6737277850)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ethereal Lenses free?

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

### Is Three Device Security free?

Three Device Security is free to download, with no in-app purchases.

### Do Ethereal Lenses or Three Device Security have ads?

Neither Ethereal Lenses nor Three Device Security 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.*