kitio.aiCompose AI vs Hiwriter
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Hiwriter is completely free, while Compose AI is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Autocomplete in any text field
- Email and document generation
- Personal writing style
- Chrome extension
- Email draft generation
- Thread-aware replies
- Tone and style selector
- Built-in translation
- Regenerate variations
| Feature | Compose AI | Hiwriter |
|---|---|---|
| Best for | Chrome extension that autocompletes your sentences wherever you type | Gmail add-on that drafts emails and replies with GPT |
| Category | Writing | Writing |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Compose AI | Rebump |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Hiwriter is completely free, while Compose AI is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Compose AI
- Free version with no time limit
- Works across many web apps
- Adapts to your writing voice
- Chrome only
- Personalization needs the premium plan
- Premium pricing not shown in the evidence
Hiwriter
- Works inside Gmail on mobile too
- Translates drafts before sending
- Free to install
- Only works with Gmail
- Runs on the older GPT-3.5 model
- Improve feature still marked as coming soon
Which one should you choose?
Choose Compose AI if you want:
- Free version with no time limit
- Works across many web apps
- Adapts to your writing voice
Watch out: chrome only.
Choose Hiwriter if you want:
- Works inside Gmail on mobile too
- Translates drafts before sending
- Free to install
Watch out: only works with gmail.
Compose AI vs Hiwriter FAQ
What is the difference between Compose AI and Hiwriter?
Compose AI: Chrome extension that autocompletes your sentences wherever you type. Hiwriter: Gmail add-on that drafts emails and replies with GPT. Both are writing tools.
Is Compose AI or Hiwriter cheaper?
Hiwriter is completely free, while Compose AI is freemium.
Do Compose AI and Hiwriter have free plans?
Compose AI: Yes. Hiwriter: Yes, fully free.
Who makes Compose AI?
Compose AI is made by Compose AI, based in United States.
Who makes Hiwriter?
Hiwriter is made by Rebump.
Which should I choose, Compose AI or Hiwriter?
Choose Compose AI if you value free version with no time limit and works across many web apps. Choose Hiwriter if you value works inside gmail on mobile too and translates drafts before sending.