Mobile app · Media players & centers

pitcher

Change the key of any song, keep the tempo. Tuner, loops, speed. Offline.

Completely free
Android
Open source

Ad-supported exit link (Clictune): an intermediate page may show for a few seconds before the official website. Direct link to the website, no intermediate page

Download from the official source

Link to the official download page, ad-supported (Clictune): an intermediate page may show for a few seconds. Direct link to the download

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by F-Droid
License: GPL-3.0 — Open source (copyleft)confirmed by F-Droid
Open source: Yes
Commercial use: Yesconfirmed by F-Droid
Account required: not documented
Credit card required: Noconfirmed by F-Droid
Watermark: Not applicable
Ads: No
Platforms: AndroidEstablished by Android: F-Droid
Publisher: k1monfared
Latest version: 2.6.6 (29 October 2026)
Latest activity: 29 October 2026
Source code: github.com/k1monfared/pitcher

Overview

Features described in its GitHub repository and on its official website: offline use and command-line use.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“It is free and open source, works completely offline, and has no ads, accounts, or tracking.” — GitHub, 10 November 2026
“On your computer pitcher also runs on Linux as a command line tool and a local web app, using the Rubber Band library for studio-quality shifting with formant preservation.” — official website, 10 November 2026

At a glance

pitcher is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
No advertising
Commercial use allowed

Sources and checks

Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) — 6 November 2026
Last technical check: 6 November 2026
Description from F-Droid — F-Droid (citation courte)

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