kitio.aiStudyX vs Feen AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. StudyX starts at See pricing page and Feen AI starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Step-by-step homework help
- AI notes from files and videos
- Flashcard and quiz generator
- Live lecture transcription
- AI detector and humanizer
- Step-by-step problem solving
- Three-model answer checking
- Lecture transcription
- YouTube summaries
- Flashcard and quiz generation
| Feature | StudyX | Feen AI |
|---|---|---|
| Best for | AI study app for homework answers, notes, flashcards and quizzes | Math solver plus notes, flashcards and quizzes from your materials |
| Category | Education | Education |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | StudyX Inc. | Feen AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
StudyX starts at See pricing page and Feen AI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
StudyX
- Works from photos, PDFs and YouTube
- Many study tools in one account
- Free to start without sign-up
- Credit limits on every plan
- Trials renew into a yearly plan
- Pricing page did not show clear amounts
Feen AI
- Answers checked by several models
- Explains each solution step
- Handles audio, video and documents
- Audio files capped at 60 minutes
- Pricing not shown on the site
- Browser only, no native app
Which one should you choose?
Choose StudyX if you want:
- Works from photos, PDFs and YouTube
- Many study tools in one account
- Free to start without sign-up
Watch out: credit limits on every plan.
Choose Feen AI if you want:
- Answers checked by several models
- Explains each solution step
- Handles audio, video and documents
Watch out: audio files capped at 60 minutes.
StudyX vs Feen AI FAQ
What is the difference between StudyX and Feen AI?
StudyX: AI study app for homework answers, notes, flashcards and quizzes. Feen AI: Math solver plus notes, flashcards and quizzes from your materials. Both are education tools.
Is StudyX or Feen AI cheaper?
StudyX starts at See pricing page and Feen AI starts at See pricing page. Check both pricing pages for current plans.
Do StudyX and Feen AI have free plans?
StudyX: Yes. Feen AI: Yes.
Who makes StudyX?
StudyX is made by StudyX Inc..
Who makes Feen AI?
Feen AI is made by Feen AI.
Which should I choose, StudyX or Feen AI?
Choose StudyX if you value works from photos, pdfs and youtube and many study tools in one account. Choose Feen AI if you value answers checked by several models and explains each solution step.