# Async Sampler vs Dub Filter

The clearest difference is rating: Dub Filter at 5.0 against Async Sampler's 4.5. Dub Filter also leads on review sentiment (100% vs 78%). Async Sampler's advantage is update cadence (every 2 weeks vs every 15 months) and ratings volume (18 vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.

Async Sampler costs $14.99 and Dub Filter $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dub Filter holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 18 and 6 respectively. Written reviews point the same way: 78% of Async Sampler's written reviews are positive against 100% of Dub Filter's.

Async Sampler ships an update every 2 weeks, Dub Filter every 15 months. The most recent releases landed on August 4, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Async Sampler | Dub Filter |
| --- | --- | --- |
| Price | $14.99 | $14.99 |
| Rating | [4.5 (18 ratings)](https://appshunter.io/ios/app/async-sampler/id6453162970/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/dub-filter-high-pass/id6478895441/reviews)** |
| Number of ratings | **18** | 6 |
| Positive reviews | 77.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 15 months |
| Monetization | Paid | Paid |
| Size | 235 MB | 21 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergei Zhulkov](https://appshunter.io/developer/1698376336) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### Async Sampler

[App page](https://appshunter.io/ios/app/async-sampler/id6453162970)

Create captivating sound collages, dynamic textures, and rhythmic patterns with this powerful musical instrument. It offers asynchronous and synchronous playback modes, a versatile LFO, and an effects processor to elevate your sound design.

**Highlights:** Standalone and AUv3 versions, Three independent samplers, Extensive sample library, Upload your own samples, Asynchronous and synchronous playback, Flexible LFO system, Effects processor

**In-app purchases:** none


### 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 Async Sampler free?

Async Sampler costs $14.99, with no in-app purchases.

### Is Dub Filter free?

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

### Which has better reviews, Async Sampler or Dub Filter?

Dub Filter is rated higher. Async Sampler averages 4.5 out of 5 from 18 ratings, while Dub Filter averages 5.0 from 6 ratings.

### Do Async Sampler or Dub Filter have ads?

Neither Async Sampler nor Dub Filter shows ads.

### Which is updated more often, Async Sampler or Dub Filter?

Async Sampler ships an update every 2 weeks, and Dub Filter every 15 months. Most recently, Async Sampler was updated on August 4, 2026 and Dub Filter on September 14, 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.*