How much of your time do your grammar and spelling mistakes take up to fix? Probably more than you think, and an app like Grammarly can help. But don’t waste time picking it up, there are just hours left to get it for almost half off.

Grammarly finds and corrects hundreds of writing errors, whether for email, social media, or anywhere else you write online or in apps. With almost zero effort, it tidies up your grammar, punctuation, and spelling, helping produce clearer, more effective, mistake-free text. Additionally, it can spot contextual errors, alternative phrasings, and style improvements. There are even genre-specific writing style checks, and plagiarism scanning to make sure you didn’t forget to remove some cut and pasted bit of text. Plus, every week you will get a progress report summarizing your most common mistakes. So beyond convenience, this a also valuable learning tool.

Buy now: Get a lifetime license of Grammarly for $69.98 at Cult of Mac Deals. That’s 49 percent off the usual price.