is the Tiflotecnia product free?

On 6/16/2021 2:18 PM, Crayton Benner via groups.io wrote:
> I can tell you this. Both addons can't be interchangeable.
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> <https://overview.mail.yahoo.com/?.src=iOS>
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> On Wednesday, June 16, 2021, 15:17, Don H <lmddh50@...> wrote:
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>    The Vocalizer addon for NVDA from Code Factory and from Tiflotecnia are
>    two different products and not interchangeable Correct?
>    Does one peerform better than the other?
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