JustDone vs Undetectable AI (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: JustDone does not list a price
Free plan
Undetectable AI
Only Undetectable AI has one
Higher rating
Undetectable AI
2.7 against 3.2
Same job?
Yes
Both are Writing tools

Side by side

Compared on	JustDone	Undetectable AI
Our rating	2.7	3.2Better
Starts at	Not listed	Free
Free plan	No	YesBetter
Category	Writing	Writing
Plans	See pricing	Free
Key features	Plagiarism checker and citation generator Summariser, paraphraser and grammar checker AI chat that reads PDFs and websites Quiz generator for revision Chrome extension	AI text detection with flagged sections Image, audio and video AI detection Fake PDF detector AI humanizer that rewrites to evade detection Paraphrasing, plagiarism checking and Chrome extension
Pros	Most of the toolkit is ordinary, useful study software Named legal entity and address, uncommon here Documentation frames output as a draft needing verification	Detection across image, audio and video, not just text Fake PDF detection targets a real and growing fraud problem Free tier available before any payment
Cons	Ships an AI humanizer beside an AI detector, defeating both A humanizer's only purpose is making generated text harder to identify No published rates	Ships a humanizer for evading detection, with students among named users Submitting rewritten work is academic misconduct at most institutions No pricing figures published on the landing page
Company	GM Appdev Limited	Undetectable Inc.

Prices come from each vendor's pricing page, last checked 20260819. Check the vendor before you buy.

FAQ

Questions people ask

Is JustDone better than Undetectable AI?

In our reviews JustDone scores 2.7 and Undetectable AI scores 3.2. The better pick depends on the job. JustDone: Eleven student writing tools, two of which cancel each other out. Undetectable AI: Detects AI content across text, image, audio and video, and also rewrites text to evade detection.

Which is cheaper, JustDone or Undetectable AI?

JustDone: see pricing. Undetectable AI: free.

Do JustDone and Undetectable AI have free plans?

Only Undetectable AI has a free plan.

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