# rhodopsin vs VKO1

The clearest difference is review sentiment: rhodopsin at 100% against VKO1's 0%. rhodopsin also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 4). VKO1's advantage is update cadence (every 2 weeks vs every 2 months). On ads, monetization model and device support there is nothing between them.

rhodopsin costs $9.99 and VKO1 $11.99 up front. VKO1 sells 4 one-off in-app purchases. rhodopsin asks for nothing beyond the download.

rhodopsin holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: rhodopsin has 25 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of rhodopsin's written reviews are positive against 0% of VKO1's.

rhodopsin ships an update every 2 months, VKO1 every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | rhodopsin | VKO1 |
| --- | --- | --- |
| Price | **$9.99** | $11.99 |
| Rating | **[5.0 (25 ratings)](https://appshunter.io/ios/app/rhodopsin/id6471383189/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/vko1/id6758398868/reviews) |
| Number of ratings | **25** | 4 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | **#129** | — |
| Size | 293 MB | 49 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Barth](https://appshunter.io/developer/1715210913) | [Juan Maguid](https://appshunter.io/developer/1680114440) |

## What reviewers say

### rhodopsin

[App page](https://appshunter.io/ios/app/rhodopsin/id6471383189)

**Currently charting:** #129 Top Paid · Photo & Video (US App Store)

This app is a video synthesizer designed for live performances. It allows users to mix video sources and apply a series of three effects. Parameters for sources, mixers, and effects can be manipulated using LFOs, envelopes, and MIDI.

**Highlights:** Video source mixing, Three sequential effects, LFO and envelope control, MIDI parameter control, Live performance focused

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

**In-app purchases:** none


### VKO1

[App page](https://appshunter.io/ios/app/vko1/id6758398868)

Create stunning, real-time visuals for your music performances without needing VJ experience. Load clips, sync to your BPM, and let the app handle the visuals hands-free with automated mixing and effects. Build custom reactive visuals using a node editor and import your own shaders.

**Highlights:** Automated beat-synced visual mixing, Node editor for custom visual creation, Import custom Metal shaders, Real-time GPU-accelerated effects, Multiple control options (iPhone, iPad, MIDI, gamepad), Music sync via tap tempo, MIDI clock, Ableton Link, Downloadable visualizers from the store

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phosphor Cult Shader Pack | $1.99 | one-time |
| Computer Veld Pack | $1.99 | one-time |
| Alchemist Sketchbook Pack | $1.99 | one-time |
| Daft Cyber Pack | $1.99 | one-time |


## Frequently asked questions

### Is rhodopsin free?

rhodopsin costs $9.99, with no in-app purchases.

### Is VKO1 free?

VKO1 costs $11.99, and also offers in-app purchases.

### Which has better reviews, rhodopsin or VKO1?

rhodopsin is rated higher. rhodopsin averages 5.0 out of 5 from 25 ratings, while VKO1 averages 4.5 from 4 ratings.

### Do rhodopsin or VKO1 have ads?

Neither rhodopsin nor VKO1 shows ads.

### Which is updated more often, rhodopsin or VKO1?

rhodopsin ships an update every 2 months, and VKO1 every 2 weeks. Most recently, rhodopsin was updated on October 25, 2026 and VKO1 on October 25, 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.*