# Kaign vs Dub Filter

The clearest difference is price: Kaign at Free against Dub Filter's $14.99. Kaign also leads on update cadence (every 2 months vs every 15 months). Dub Filter's advantage is in-app purchases (none vs 7) and ratings volume (6 vs 1). On rating, review sentiment, ads and device support there is nothing between them.

Kaign is free to download; Dub Filter costs $14.99 up front. Kaign sells 7 one-off in-app purchases. Dub Filter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Kaign against 5.0 for Dub Filter. That said, the two scores are not equally well evidenced: Dub Filter has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Kaign ships an update every 2 months, Dub Filter every 15 months. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Kaign | Dub Filter |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/kaign/id1043384092/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/dub-filter-high-pass/id6478895441/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 12 MB | 21 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francois-Michel Schumaker](https://appshunter.io/developer/659774459) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### Kaign

[App page](https://appshunter.io/ios/app/kaign/id1043384092)

Create custom playlists from your music library based on release date, artist, and genre. Save dynamic playlists that update automatically or share filters with friends. Supports Apple Music and Spotify libraries.

**Highlights:** Visual filter editor, Create playlists by release date, Filter by artist, Dynamic playlist updates, Shareable filters, Supports Apple Music and Spotify

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Filters Pack 1 | $0.99 | one-time |
| 5 Filters Pack 2 | $0.99 | one-time |
| 5 Filters Pack 3 | $0.99 | one-time |
| 15 Filters Value Pack | $1.99 | one-time |
| Extras Value Pack | $1.99 | one-time |
| 25 Filters Super Value Pack | $2.99 | one-time |
| 50 Filters Mega Value Pack | $3.99 | one-time |


### Dub Filter

[App page](https://appshunter.io/ios/app/dub-filter-high-pass/id6478895441)

This audio plugin emulates a legendary vintage high-pass filter, offering eleven frequency steps and controls for resonance, magnetism, character, dynamics, and artifacts. It includes LFO and Envelope Follower modulation sources for creative sound design.

**Highlights:** Vintage high-pass filter emulation, Eleven frequency steps, Adjustable resonance, Magnetism, Character, Dynamics, Artifacts controls, LFO modulation, Envelope Follower modulation, Standalone and AUv3 formats

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kaign free?

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

### Is Dub Filter free?

Dub Filter costs $14.99, with no in-app purchases.

### Which has better reviews, Kaign or Dub Filter?

Kaign and Dub Filter are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.

### Do Kaign or Dub Filter have ads?

Neither Kaign nor Dub Filter shows ads.

### Which is updated more often, Kaign or Dub Filter?

Kaign ships an update every 2 months, and Dub Filter every 15 months. Most recently, Kaign was updated on October 20, 2026 and Dub Filter on October 16, 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.*