kitio.aiStealthWriter vs Sidekicker
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. StealthWriter has the lower starting price: about $20 a month, against $40 for Sidekicker.
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
- AI text humanizer
- Tone and flow adjustment
- AI detector
- Plagiarism checker
| Feature | StealthWriter | Sidekicker |
|---|---|---|
| Best for | AI text humanizer with a built-in detector and sentence-level rewrites | AI humanizer that rewrites AI drafts into natural-sounding text |
| Category | Writing | Writing |
| Pricing model | Freemium | Paid |
| Starting price | $20/mo | $1.95 one-time |
| Free plan | Yes | No |
| Made by | StealthWriter | AV Wellbeing Solutions Limited |
| Based in | – | Cyprus |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
StealthWriter has the lower starting price: about $20 a month, against $40 for Sidekicker.
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
3 plans
7-day trial
$1.95 one-time
- Full access for 7 days
- Renews monthly unless cancelled
Monthly
$39.99/mo
- Humanizer, detector and plagiarism check
Annual
$16.60/mo billed yearly
- Same tools at a lower monthly cost
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
Sidekicker
- Three writing checks in one plan
- Pays attention to brand tone
- Cheap trial
- No free plan
- Trial rolls into a $39.99 monthly charge
- Rewrites still need a manual read
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 Sidekicker if you want:
- Three writing checks in one plan
- Pays attention to brand tone
- Cheap trial
Watch out: no free plan.
StealthWriter vs Sidekicker FAQ
What is the difference between StealthWriter and Sidekicker?
StealthWriter: AI text humanizer with a built-in detector and sentence-level rewrites. Sidekicker: AI humanizer that rewrites AI drafts into natural-sounding text. Both are writing tools.
Is StealthWriter or Sidekicker cheaper?
StealthWriter has the lower starting price: about $20 a month, against $40 for Sidekicker.
Do StealthWriter and Sidekicker have free plans?
StealthWriter: Yes. Sidekicker: No.
Who makes StealthWriter?
StealthWriter is made by StealthWriter.
Who makes Sidekicker?
Sidekicker is made by AV Wellbeing Solutions Limited, based in Cyprus.
Which should I choose, StealthWriter or Sidekicker?
Choose StealthWriter if you value free plan with daily allowance and shows which sentences need work. Choose Sidekicker if you value three writing checks in one plan and pays attention to brand tone.