# subflow vs ScottEffx flickerSong

The clearest difference is update cadence: subflow at every 6 days against ScottEffx flickerSong's every 2 months. subflow also leads on iOS requirement (16.6 vs 18.0). 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.

subflow ships an update every 6 days, ScottEffx flickerSong every 2 months. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | subflow | ScottEffx flickerSong |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (17 ratings)](https://appshunter.io/ios/app/subflow/id1570176211/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Free | — |
| Size | 3 MB | 4 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ello Skelling Productions](https://appshunter.io/developer/1569508906) | [Scott Burkhart Effects LLC](https://appshunter.io/developer/1662230340) |

## What reviewers say

### subflow

[App page](https://appshunter.io/ios/app/subflow/id1570176211)

Create dynamic music visualizations for any setting. Control modes, speed, and beat patterns with intuitive screen gestures. Advanced users can leverage UDP and OS2L for complex control with DJ software.

**Highlights:** Gesture-based control for modes, speed, and beats, Beat pattern customization, UDP command sequencing, OS2L integration with DJ software, Color customization via long press

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

**In-app purchases:** none


### ScottEffx flickerSong

[App page](https://appshunter.io/ios/app/scotteffx-flickersong/id1662230338)

**In-app purchases:** none


## Frequently asked questions

### Is subflow free?

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

### Is ScottEffx flickerSong free?

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

### Do subflow or ScottEffx flickerSong have ads?

Neither subflow nor ScottEffx flickerSong shows ads.

### Which is updated more often, subflow or ScottEffx flickerSong?

subflow ships an update every 6 days, and ScottEffx flickerSong every 2 months. Most recently, subflow was updated on September 9, 2026 and ScottEffx flickerSong on September 11, 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.*