# EchoVision vs RailMaker

The clearest difference is in-app purchases: EchoVision at none against RailMaker's 3. EchoVision also leads on iOS requirement (17.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. RailMaker sells 3 in-app purchases, starting at $2.99 per month. EchoVision asks for nothing beyond the download.

## The numbers

| Metric | EchoVision | RailMaker |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 85 MB | 7 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | **iPhone, iPad, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Holo Interactive US, Inc.](https://appshunter.io/developer/1652143524) | [Yevgenii Kryzhanivskyi](https://appshunter.io/developer/1778319692) |

## What reviewers say

### 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


### RailMaker

[App page](https://appshunter.io/ios/app/railmaker-wooden-train-track/id6808237193)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $17.99 | per year |
| Lifetime premium | $24.99 | one-time |


## Frequently asked questions

### Is EchoVision free?

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

### Is RailMaker free?

RailMaker is free to download, with in-app purchases available.

### Do EchoVision or RailMaker have ads?

Neither EchoVision nor RailMaker 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.*