# Qithesizer vs Async Sampler

The clearest difference is rating: Async Sampler at 4.5 against Qithesizer's 4.1. Async Sampler also leads on iOS requirement (11.0 vs 15.0). Qithesizer's advantage is price ($12.99 vs $14.99). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Qithesizer costs $12.99 and Async Sampler $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Async Sampler holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 11 and 18 respectively. Written reviews split almost evenly too, at 77% and 78% positive.

Qithesizer ships an update fortnightly, Async Sampler every 2 weeks. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Qithesizer | Async Sampler |
| --- | --- | --- |
| Price | **$12.99** | $14.99 |
| Rating | [4.1 (11 ratings)](https://appshunter.io/ios/app/qithesizer/id6444722040/reviews) | **[4.5 (18 ratings)](https://appshunter.io/ios/app/async-sampler/id6453162970/reviews)** |
| Number of ratings | 11 | **18** |
| Positive reviews | 76.9% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 29 MB | 235 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robkoo Information & Technologies Co., Ltd.](https://appshunter.io/developer/987892941) | [Sergei Zhulkov](https://appshunter.io/developer/1698376336) |

## What reviewers say

### Qithesizer

[App page](https://appshunter.io/ios/app/qithesizer/id6444722040)

This advanced music synthesizer combines virtual analog, wavetable, and physical modeling sound engines. It offers extensive modulation capabilities, a built-in sequencer, and on-screen keyboard for creating complex sounds.

**Highlights:** Multiple sound engines (virtual analog, wavetable, physical modeling), Extensive modulation sources and destinations, Full MIDI mapping, 16-step sequencer with pattern editor, Waveform and dynamic visualizations, On-screen keyboard

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Qithesizer free?

Qithesizer costs $12.99, with no in-app purchases.

### Is Async Sampler free?

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

### Which has better reviews, Qithesizer or Async Sampler?

Async Sampler is rated higher. Qithesizer averages 4.1 out of 5 from 11 ratings, while Async Sampler averages 4.5 from 18 ratings.

### Do Qithesizer or Async Sampler have ads?

Neither Qithesizer nor Async Sampler shows ads.

### Which is updated more often, Qithesizer or Async Sampler?

Qithesizer ships an update fortnightly, and Async Sampler every 2 weeks. Most recently, Qithesizer was updated on October 13, 2026 and Async Sampler on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*