We loved this boutique looking and great sounding app when we reviewed it back in November last year.
New in 1.3 are an "updated DSP engine, audio copy and paste, and 20+ new amps and effects available via in-app purchase.".
The new in-app purchases are obviously the big thing, but we are particularly excited to see support for ACP included in this update too.
If you're quick you can take advantage of a 50% discount on the new expansion packs, but for just one week only.
Go and grab your update.
App Store Link: JamUp Pro