kitio.aiStealthWriter vs Fixkey
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. StealthWriter starts at $20/mo and Fixkey starts at See pricing page. Check both pricing pages for current plans.
AI text humanizer with a built-in detector and sentence-level rewrites
Freemium · $20/moAt a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Three rewrite strengths
- AI detector V1 and V2
- Sentence-level Deep Scan
- Alternative sentence rewrites
- Fast processing
- One-click rewriting
- Voice to text
- 180+ language translation
- Custom AI prompts
- Personal dictionary
- Works in any Mac app
| Feature | StealthWriter | Fixkey |
|---|---|---|
| Best for | AI text humanizer with a built-in detector and sentence-level rewrites | Mac writing assistant that rewrites and dictates in any app |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $20/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | StealthWriter | Fixkey |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
StealthWriter starts at $20/mo and Fixkey starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
6 plans
Free
Free
- 10 humanizations per day
- 10 AI scans per day
- 1,000 words per input
Starter
$20/mo
- 50 humanizations per day
- 50 AI scans per day
- 5,000 words per input
Plus
$50/mo
- 150 humanizations per day
- 150 AI scans per day
Pro
$100/mo
- 350 humanizations per day
- 350 AI scans per day
Business
$200/mo
- 800 humanizations per day
- 800 AI scans per day
Scale
$400/mo
- 2,000 humanizations per day
- 2,000 AI scans per day
- Dedicated support
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
StealthWriter
- Free plan with daily allowance
- Shows which sentences need work
- Pick between alternative rewrites
- Free input capped at 1,000 words
- Higher tiers get expensive quickly
- Detector scores are only estimates
Fixkey
- Works in every Mac app
- Dictation and rewriting in one tool
- Custom prompts for your style
- macOS only
- Free tier details not shown
- Pricing page shows only the yearly price
Which one should you choose?
Choose StealthWriter if you want:
- Free plan with daily allowance
- Shows which sentences need work
- Pick between alternative rewrites
Watch out: free input capped at 1,000 words.
Choose Fixkey if you want:
- Works in every Mac app
- Dictation and rewriting in one tool
- Custom prompts for your style
Watch out: macos only.
StealthWriter vs Fixkey FAQ
What is the difference between StealthWriter and Fixkey?
StealthWriter: AI text humanizer with a built-in detector and sentence-level rewrites. Fixkey: Mac writing assistant that rewrites and dictates in any app. Both are writing tools.
Is StealthWriter or Fixkey cheaper?
StealthWriter starts at $20/mo and Fixkey starts at See pricing page. Check both pricing pages for current plans.
Do StealthWriter and Fixkey have free plans?
StealthWriter: Yes. Fixkey: Yes.
Who makes StealthWriter?
StealthWriter is made by StealthWriter.
Who makes Fixkey?
Fixkey is made by Fixkey.
Which should I choose, StealthWriter or Fixkey?
Choose StealthWriter if you value free plan with daily allowance and shows which sentences need work. Choose Fixkey if you value works in every mac app and dictation and rewriting in one tool.