# Morse Straight Key vs EchoVision

The clearest difference is in-app purchases: EchoVision at none against Morse Straight Key's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Morse Straight Key sells 1 one-off in-app purchase. EchoVision asks for nothing beyond the download.

## The numbers

| Metric | Morse Straight Key | EchoVision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/echovision/id6499540865/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | — | Free |
| Size | 3 MB | 85 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Keiya Chiba](https://appshunter.io/developer/1740986591) | [Holo Interactive US, Inc.](https://appshunter.io/developer/1652143524) |

## What reviewers say

### Morse Straight Key

[App page](https://appshunter.io/ios/app/morse-straight-key/id6496373450)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Morse Straight Key | $0.99 | one-time |


### EchoVision

[App page](https://appshunter.io/ios/app/echovision/id6499540865)

Experience the world through the eyes of a bat with this mixed reality art installation. Using a bat-shaped mask and your smartphone's LiDAR, visualize echoes and understand echolocation. It offers a unique perspective on non-human sensory perception and promotes ecological appreciation.

**Highlights:** Simulates bat echolocation, Mixed reality art experience, Handheld bat-shaped masks, Smartphone LiDAR integration, Visualizes propagating echoes, Promotes ecocentric design perspective

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Morse Straight Key free?

Morse Straight Key is free to download, with in-app purchases available.

### Is EchoVision free?

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

### Do Morse Straight Key or EchoVision have ads?

Neither Morse Straight Key nor EchoVision 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.*