Paid
Added on Nov 08,2026
ClarifierAI is an AI writing keyboard for iPhone that rewrites, translates and corrects text directly inside the keyboard, so users do not need to switch to a separate AI app while typing.
It turns rushed or messy thoughts into clear, professional messages with a single tap, which suits quick replies that need to sound polished before sending.
Key features include message improvement, a politeness checker, text translation, grammar correction and paraphrasing, all presented in a native iOS keyboard interface. Users can review suggested changes and undo individual edits rather than accepting everything at once.
Because it runs as an iOS keyboard extension, it works anywhere text can be typed, including Messages, WhatsApp, Slack, email clients, Notes and social media apps. It is available for iOS 17 and later and as a Chrome extension, with Mac and Android versions listed as coming soon.
On privacy, the site states that ClarifierAI only processes the text a user chooses to run through the AI, and that it does not keylog, store or sell personal data or conversation history.
Pricing: plans cost $4.99 per month, $29.99 per year, or $79.99 as a one-time lifetime purchase, each with unlimited rewriting, translation and paraphrasing. Subscriptions are managed through the user's Apple ID.
It is suited to professionals writing emails and Slack messages, founders communicating with investors and customers, and non-native English speakers who want their writing to sound natural.
The site positions it as an alternative to Grammarly.
Popular alternatives to ClarifierAI include Rytr, Easy-Peasy.AI and Humanize.im. Compare their pricing and what each is best for below.
| Tool | Pricing | Best for |
|---|---|---|
| Rytr | Freemium | Freelancers, consultants and small business owners who write emails, social posts and marketing copy and want help keepi... |
| Easy-Peasy.AI | Freemium | Marketers, bloggers and small business owners who write copy, build data-trained chatbots and produce voiceovers or tran... |
| Humanize.im | Freemium | Bloggers and marketers who want to smooth out stiff ChatGPT drafts before publishing them. |
| Humanize AI | Freemium | Content writers and SEO teams who want AI drafts reworded into plainer, more natural English before editing. |
| Decopy | Freemium | Students, writers and content teams who want free, no-sign-up tools to check, summarise, transcribe or rewrite text. |
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