Propellerhead has slashed the price on its flagship synthesizer Thor Polysonic Synthesizer for iPad as a Holiday Sale.

The software synth, which is normally priced at US $14.99, is $4.99 through the end of December.

According to Propellerhead, Thor offers “god-like sound sculpting capabilities”.

Highlights:

• Reason’s Thor Polysonic Synthesizer on the iPad.
• Use any of 1000+ synth patches, or create your own from scratch.
• Create your sounds using a palette of multiple oscillator and filter types.
• Play Thor using an expressive touch interface keyboard with aftertouch and strumming.
• Collapse the keyboard to a key and scale of your choice, just like in Figure.
• Move your favorite patches from the iPad to your computer and use them with Thor in Reason

Thor supports MIDI In, Audiobus, Background Audio.

Thor is available in the App Store for US $4.99 through the end of December.

Note: See our 2014 Holiday Deals For Electronic Musicians post for a roundup of end-of-the-year specials.