---
title: "variStretch - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Concept:  The app is a so-called time-stretch machine. The user can change the speed (0.5-2.0) of audio source in real-time using keyboard or slider at will.   Usage:  There are three play modes:  1) "
---

# variStretch — United States
> real-time time stretch

![variStretch App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/79/35/51/7935518b-bf97-c4ad-63f3-a58fa580ced4/AppIcon-1x_U007emarketing-0-8-0-85-220-0.png/434x0w.png)

**Developer:** [Satoshi Kajii](https://apptail.io/developer/satoshi-kajii-OWdu)
**Category:** Music
**Rating:** 5.0/5 (1 ratings)
**Price:** $5.99
**Bundle ID:** com.bija.variStretch
**Store:** Apple App Store
**Country:** United States
**Version:** 1.0.2 (released 2026-07-10)
**Original Release:** 2025-04-22

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6744925479)
**AppTail Page:** [https://apptail.io/app/varistretch-Asov/united-states](https://apptail.io/app/varistretch-Asov/united-states)

## variStretch Description
Concept:

The app is a so-called time-stretch machine. The user can change the speed (0.5-2.0) of audio source in real-time using keyboard or slider at will. 

Usage:

There are three play modes:

1) Tape (to change the both speed & pitch)
2) Phase Vocoder (to change the speed alone) 
3) Thru (no processing)

"Buffer Size" slider determines how long the data will be stored.
"Buffer Clear" button will reset the buffer to be zero.

System Requirements:

AUv3 host

## variStretch Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b3/f5/7c/b3f57c4d-595d-4ae7-884e-5fae0355a13c/Simulator_Screenshot_-_iPhone_15_Pro_Max_-_2025-04-22_at_20.00.09.png/1290x2796.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/db/af/28/dbaf2857-b8f3-8285-ed1e-1de95075dc05/Simulator_Screenshot_-_iPhone_15_Pro_Max_-_2025-04-22_at_20.00.17.png/2796x1290.png)

## variStretch Rating Breakdown in United States
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)






## variStretch Available In
- [United States](https://apptail.io/app/varistretch-Asov/united-states)
- [Canada](https://apptail.io/app/varistretch-Asov/canada)
- [Chile](https://apptail.io/app/varistretch-Asov/chile)
- [Dominican Republic](https://apptail.io/app/varistretch-Asov/dominican-republic)
- [Ecuador](https://apptail.io/app/varistretch-Asov/ecuador)
- [Brazil](https://apptail.io/app/varistretch-Asov/brazil)
- [Mexico](https://apptail.io/app/varistretch-Asov/mexico)
- [Peru](https://apptail.io/app/varistretch-Asov/peru)
- [Philippines](https://apptail.io/app/varistretch-Asov/philippines)
- [Taiwan](https://apptail.io/app/varistretch-Asov/taiwan)
- [Japan](https://apptail.io/app/varistretch-Asov/japan)

---

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