PreenerA LanguageTool alternative with a keyboard for Android
Fix grammar, change the tone and write replies on your Android keyboard, in Chrome and on the web, with one account.
Free to start. Works on Android, in Chrome and on the web.
- A full AI keyboard for Android
- Chrome extension on the free plan
- Rewrites every day, not 3 sentences
Preener and LanguageTool, side by side
| What you get | Preener | LanguageTool |
|---|---|---|
| Android keyboard | Yes:Yes, a full AI keyboard | Not listed among its apps |
| Chrome extension on the free plan | Yes:Yes | No, Premium only |
| Web app | Yes:Yes, at preener.ai | Yes:Yes, the LanguageTool Editor |
| Fix grammar | Yes:Yes | Yes:Yes |
| AI rewrites on the free plan | Yes:Every day, with every tone | 3 sentence rephrasings a day |
| Rewrite styles | Yes:Casual, professional, formal, friendly, confident and more | Formal, Fluent, Simple and Concise |
| Text length on the free plan | Yes:Long texts, up to 12,000 characters | 2,000 characters per text field |
Checked in October 2026 from LanguageTool Premium, The premium-only LanguageTool browser extension and LanguageTool paraphrasing tool. Prices are in US dollars and can change.
Why people switch to Preener
It's on Android
Preener is the keyboard itself, so it works in WhatsApp, Gmail, Instagram and every other app.
More on the free plan
The Chrome extension, every tone and every action are free, with AI help every day.
107 ready-made actions
Replies, cover letters, apologies, captions and more, each with its own simple form.
Questions, answered
Is Preener free?
Yes. The free plan gives you AI help every day. Pro gives you about 10,000 AI actions a month for $6.99 a month or $49.99 a year. You sign in with Google or a code we email you.
Will it sound like AI?
It's built to sound like a person wrote it: plain words and no stock lines. It works from the details you give it and doesn't make up jobs, numbers or facts.
Is the Chrome extension free?
Yes. Preener AI Writing Assistant is free on the Chrome Web Store. It uses the same account as the Android app and preener.ai.