Below you can find legacy versions of our software, which are no longer supported but may run on old versions of MacOS. Some older versions will accept license keys for newer versions if for some reason you are not able to run the latest version.

Acorn 7.4.6

Accepts Acorn 8 registrations.
Download Acorn 7.4.6

For use on:

MacOS 14 Sequoia
MacOS 14 Sonoma
MacOS 13 Ventura
MacOS 12 Monterey
MacOS 11 Big Sur
MacOS 10.15 Catalina
MacOS 10.14 Mojave

Acorn 7 was released March 17, 2021

Acorn 6.6.5

Accepts Acorn 7 registrations.
Download Acorn 6.6.5

For use on:

MacOS 11 Big Sur
MacOS 10.15 Catalina
MacOS 10.14 Mojave
MacOS 10.13 High Sierra
MacOS 10.12 Sierra
OS X 10.11 El Capitan

Acorn 6 was released July 10, 2017

Acorn 5.6.6

Not supported on M1 Macs.
Accepts Acorn 6 registrations.
Download Acorn 5.6.6

For use on:

MacOS 10.13 High Sierra
MacOS 10.12 Sierra
OS X 10.11 El Capitan
OS X 10.10 Yosemite
OS X 10.9 Mavericks
OS X 10.8 Mountain Lion

Acorn 5 was released August 20th, 2015

Acorn 4.5.8

Not supported on M1 Macs.
Accepts Acorn 5 registrations.
Download Acorn 4.5.8

For use on:

OS X 10.10 Yosemite
OS X 10.9 Mavericks
OS X 10.8 Mountain Lion
Mac OS X 10.7 Lion
Mac OS X 10.6 Snow Leopard

Acorn 4 was released May 2nd, 2013

Acorn 3.5.2

Not supported on M1 Macs.
Accepts Acorn 4 registrations.
Download Acorn 3.5.2

For use on:

OS X 10.10 Yosemite
OS X 10.9 Mavericks
OS X 10.8 Mountain Lion
Mac OS X 10.7 Lion
Mac OS X 10.6 Snow Leopard

Acorn 3 was released April 12th, 2011

Acorn 2.6.5

Not supported on M1 Macs.
Download Acorn 2.6.5

For use on:

OS X 10.10 Yosemite
OS X 10.9 Mavericks
OS X 10.8 Mountain Lion
Mac OS X 10.7 Lion
Mac OS X 10.6 Snow Leopard

Acorn 2 was released September 13, 2009

Acorn 1.5.5

Not supported on M1 Macs.
Download Acorn 1.5.5

For use on:

OS X 10.10 Yosemite
OS X 10.9 Mavericks
OS X 10.8 Mountain Lion
Mac OS X 10.7 Lion
Mac OS X 10.6 Snow Leopard
Mac OS X 10.5 Leopard
Mac OS X 10.4 Tiger

Acorn 1 was released September 10, 2007

Retrobatch / Retrobatch Pro 1.5.1

Accepts Retrobatch 2 registrations
Download Retrobatch / Retrobatch Pro 1.5.1

For use on:

MacOS 14 Sonoma
MacOS 13 Ventura
MacOS 12 Monterey
MacOS 11 Big Sur
MacOS 10.15 Catalina
MacOS 10.14 Mojave
MacOS 10.13 High Sierra
MacOS 10.12 Sierra

Retrobatch 1.0 was released May 29th, 2018

FlySketch 1.7.1

Not supported on M1 Macs.
Download FlySketch 1.7.1

For use on:

MacOS 10.12 Sierra
OS X 10.11 El Capitan
OS X 10.10 Yosemite
OS X 10.9 Mavericks
OS X 10.8 Mountain Lion
Mac OS X 10.7 Lion
Mac OS X 10.6 Snow Leopard

FlySketch 1.0 was released February 17th, 2005