For starters, this generative AI tool that assists Spark mail users in writing emails is only available to a select group of people. These are the mail service app’s premium users who pay a monthly subscription fee. This payment unlocks a slew of productivity features, including the Spark +AI feature. The generative AI feature is currently available to all users via a 7-day free trial period. This is intended to entice users to pay the subscription plan after 7 days in order to enjoy this feature. Spark is already making this feature available to its users on Android and iOS devices.

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