AI Undetectable vs Scalenut
Both are in AI content tools. Here is how their plans, prices and features compare, taken from each vendor's own site.
The main differences
- AI Undetectable's cheapest paid plan is $5/mo, against $24/mo for Scalenut.
| AI Undetectable | Scalenut | |
|---|---|---|
| Starting price | from $5/mo | from $24/mo |
| Free plan | Not stated by the vendor | No |
| Free trial | Yes | Not stated by the vendor |
| Plans | 10K words ($9.99/mo, $5/mo annual, $60/yr); 20K words ($19/mo, $9.50/mo annual, $114/yr); 35K words ($31/mo, $15.75/mo annual, $189/yr) | Starter ($59/mo, $24/mo annual); Plus ($89/mo, $36/mo annual); Professional ($199/mo, $80/mo annual) |
| Fees and pricing notes | None stated | Annual price is a limited offer |
| Best for | Creators | Not stated |
| Key features | AI text detector that estimates how machine-written a passage looks; Two rewrite modes: Basic and a deeper Stealth rebuild; Image detector for uploaded images or image links; Five writing modes: general, essays, articles, marketing copy and stories | Prompt tracking on ChatGPT and Google AI Overviews (Perplexity on Professional); Ready-to-rank GEO article creation and optimization; Keyword clusters; GEO content audit (Plus and up) |
| Checked on | 2026-10-08 | 2026-10-03 |
Prices change; confirm on the vendor's site before you buy. Full details and sources are on each tool's page.
AI Undetectable
- 3-day free trial on every plan
- Yearly billing is about 50% cheaper
- Detector and rewriter in one workspace
Trade-offs
- No free plan, and the selected plan is billed after the trial unless cancelled
- Monthly word allowances do not roll over
- Detector scores are estimates, not proof of how a text was written
Scalenut
- Plans for founders, growing teams and advanced teams
- The page shows large discounts on annual billing (up to 60% off, as a limited offer)
- All GEO content creation features on every plan
Trade-offs
- Starter tracks only 10 prompts and covers 1 workspace (one domain)
- The discounted prices are described as a limited offer
- Perplexity tracking needs Professional