Kero

Plans and prices

Every plan, in full

On the record

AI Check

AI Check analyzes pasted text or documents with an overall human-writing percentage, sentence-level scores, and readability context.kero.study · read 11 Oct 2026

AI Check limitation

Kero says AI Check results should be treated as one signal rather than a final verdict.kero.study · read 11 Oct 2026

Data rights

Studio Ray says users retain ownership of uploaded content and grant it a license to use and process that content to provide and improve the service.studioray.co · read 11 Oct 2026

Explain

Explain accepts a pasted question or uploaded image and provides a step-by-step answer.kero.study · read 11 Oct 2026

Fair use

Kero's terms say usage described as unlimited remains subject to reasonable fair-use limits and may be temporarily limited for unusually intensive or disruptive use.studioray.co · read 11 Oct 2026

AI flashcards

Yeskero.study · read 24 Sep 2026

Integrations

Studio Ray's terms say the app may integrate with PostHog for analytics, RevenueCat for payment processing, and AI service providers for content processing.studioray.co · read 11 Oct 2026

Mobile app coverage

ioskero.study · read 24 Sep 2026

Note chat

Users can ask questions about uploaded documents, videos, websites, or pasted text and ask follow-up questions grounded in that material.kero.study · read 11 Oct 2026

Practice

Practice modes include generated flashcards, multiple-choice quizzes with explanations, fill-in-the-blank prompts, and open-ended exam practice.kero.study · read 11 Oct 2026

Product

Kero is an all-in-one AI study workspace for understanding study material, practicing for exams, and checking writing.kero.study · read 11 Oct 2026

AI quizzes

Yeskero.study · read 24 Sep 2026

Source inputs

Kero accepts documents, videos, links, and text as sources for summaries, note chat, and practice tools.kero.study · read 11 Oct 2026

Source uploads

Yeskero.study · read 24 Sep 2026

AI summaries

Yeskero.study · read 24 Sep 2026

Support

Studio Ray lists [email protected] for questions about its terms.studioray.co · read 11 Oct 2026

Supported study sources

Release notes list PDFs, Word files, PowerPoints, YouTube videos, websites, and pasted text as importable material.kero.study · read 11 Oct 2026

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