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Waveform is free to use for 30 days, after which a lifetime licence will need to be purchased. This licence will also entitle you to continue receiving software updates for a one year period. After one year, if you wish to keep receiving updates, you will need to re-purchase the licence. Additionally there is no difference between the free and paid versions, so you can fully try out all the features during the trial period.
Lifetime Licence Cost: £29.99 (roughly $38)
Note: no registration is required at any point, and all transactions are done securely through PayPal.
The email address you enter on the checkout page is where your licence will be sent once you have purchased Waveform, so please ensure it is correct.