# EchoVision vs Preshow Theater

EchoVision and Preshow Theater both sit at 5.0 stars, but that hides the real split: 83% of EchoVision's written reviews are positive against 33% of Preshow Theater's. EchoVision also leads on in-app purchases (none vs 3) and update cadence (every 2 months vs every 7 months). Preshow Theater's advantage is iOS requirement (18.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Preshow Theater sells 3 one-off in-app purchases. EchoVision asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for EchoVision against 5.0 for Preshow Theater. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews are what separate them: 83% of EchoVision's written reviews are positive against 33% of Preshow Theater's.

EchoVision ships an update every 2 months, Preshow Theater every 7 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | EchoVision | Preshow Theater |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/echovision/id6499540865/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/preshow-theater/id6738631881/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **83.3% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 90 MB | 14 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Holo Interactive](https://appshunter.io/developer/1652143524) | [Aaron Brannan](https://appshunter.io/developer/1540210534) |

## 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


### Preshow Theater

[App page](https://appshunter.io/ios/app/preshow-theater/id6738631881)

Discover new movies and get excited for your next viewing with a randomized trailer reel. Filter by genre or select individual trailers. Seamlessly integrates with Apple's video player for background playback and Picture-In-Picture.

**Highlights:** Randomized trailer reel generation, Genre-based trailer filtering, Manual trailer selection, Background playback support, Picture-In-Picture integration, Biweekly new release notifications

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $0.99 Tip | $0.99 | one-time |
| $2.99 Tip | $2.99 | one-time |
| $4.99 Tip | $4.99 | one-time |


## Frequently asked questions

### Is EchoVision free?

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

### Is Preshow Theater free?

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

### Which has better reviews, EchoVision or Preshow Theater?

EchoVision and Preshow Theater are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do EchoVision or Preshow Theater have ads?

Neither EchoVision nor Preshow Theater shows ads.

### Which is updated more often, EchoVision or Preshow Theater?

EchoVision ships an update every 2 months, and Preshow Theater every 7 months. Most recently, EchoVision was updated on October 24, 2026 and Preshow Theater on October 24, 2026.

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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.*