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Questi
What Questi is
Questi is a study platform for working through questions, getting explanations, and preparing learning materials. Users can upload an image of a problem to receive a detailed explanation, ask follow-up questions, or request similar problems. Its AI teachers focus on complex logical reasoning, particularly in math, physics, and engineering. The site describes Kedu as a teacher for students from kindergarten through high school, and Anser as a service for everyday questions.
Questi’s study tools include Book Chat, Library, Lecture Chat, exam analysis and similarity analysis, document conversion, English vocabulary, and essay correction. Cramming turns textbook PDFs or images into multiple-choice, short-answer, or mixed question sets; users can adjust the question count and difficulty. The site says generation takes approximately 5–7 minutes. Other listed tools include written-response authoring and grading, drill exams, solution videos, handwritten solutions, workbooks, eBooks, and presentations.
A free plan is available alongside monthly subscriptions. AI Teacher usage has a monthly maximum, and additional features use credits. Login is required for all services. Questi warns that AI-generated content may be inaccurate and should be reviewed carefully.
Who it suits
Questi may suit students and educators who want image-based problem explanations, follow-up questions, or generated practice material. Its listed tools also serve users preparing exams, working with educational documents, or creating and grading written responses.
What it does well
- Upload problem images for detailed explanations and follow-up questions.
- Generate similar problems from an uploaded question.
- Cramming supports PDFs and images with adjustable question count and difficulty.
- Includes exam analysis, vocabulary, and essay correction tools.
- Lists educational materials including workbooks, eBooks, and presentations.
What to know first
- Login is required for all services.
- AI Teacher usage has a monthly maximum.
- Additional features use credits, with fees varying by subscription plan.
- AI-generated content may be inaccurate and needs review.
Limits
The free plan’s limits are not detailed in the listed plan facts. Paid plans cap AI Teacher time monthly, and additional features use credits; credit fees vary by subscription plan.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Plus | KRW/month 19,900₩ · AI Teacher time is a monthly maximum; additional features use credits | 19,900 KRW a month |
| Addon T | USD/month$3.27 · Automatic monthly $3.27 credit recharge · 25% discount on additional feature fees · non-refundable · cannot resubscribe for 3 months after cancellation | $3.27 a month |
| Super | KRW/month 39,900₩ · AI Teacher time is a monthly maximum; additional features use credits | 39,900 KRW a month |
| Premium | KRW/month 69,900₩ · AI Teacher time is a monthly maximum; additional features use credits | 69,900 KRW a month |
| Basic | KRW/month 9,900₩ · AI Teacher time is a monthly maximum; additional features use credits | 9,900 KRW a month |
As questi.kr lists them, read 7 Oct 2026. The maker's own page has the final word.
Getting started
- Open the Questi website.
- Create an account and log in to use the services.
- Start with the free plan or choose a monthly plan.
- Upload a problem image or textbook PDF to use the relevant study tools.
Verdict
Choose Questi if you want image-based problem help alongside tools for generating practice questions and working with study materials. Its free plan offers a way to start, while paid plans set monthly AI Teacher time limits and use credits for additional features. Review AI-generated answers carefully.
Questions
Does Questi have a free plan?
Yes. The pricing model is freemium and a free plan is available.
What are Questi’s paid plan prices?
Basic is 9,900 KRW per month, Plus is 19,900 KRW per month, Super is 39,900 KRW per month, and Premium is 69,900 KRW per month. Addon T is $3.27 a month.
How does Questi use credits?
Additional features can be accessed using credits, with fees varying by subscription plan. The plans page says 1,500 credits are approximately $1, based on $1 = 1,500 KRW, and that the rate may vary with market rates.
Which platforms does Questi support?
The listed platforms are iOS and web.
Who makes Questi?
The site identifies BNZ.Corp as the company and lists its address in Seongnam-si, Gyeonggi-do, Republic of Korea.
Does Questi provide worked solutions and image input?
Yes. The listed facts include worked solutions, image question input, and document uploads.
Facts from Questi's own pages
- AI accuracy
- The site warns that AI-generated content may be inaccurate and asks users to review it carefully. · questi.kr, 7 Oct 2026
- AI teachers
- Questi specializes in complex logical reasoning, especially in math, physics, and engineering; Kedu is described as a teacher for K–high school students, and Anser answers everyday questions. · questi.kr, 7 Oct 2026
- Company
- The site identifies BNZ.Corp and lists its address as 307, 97, Baekhyeon-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea. · questi.kr, 7 Oct 2026
- Cramming
- Cramming lets users upload a textbook PDF or images and generate questions, with multiple choice, short answer, or mixed question types and adjustable question count and difficulty. · questi.kr, 7 Oct 2026
- Credit pricing
- The plans page says 1,500 credits are approximately $1, that its displayed credit amounts use an exchange basis of $1 = 1,500 KRW, and that the rate may vary with market rates. · questi.kr, 7 Oct 2026
- Education customers
- The plans page says school and academy MOU plans are available by separate inquiry. · questi.kr, 7 Oct 2026
- Founded
- 2024 · questi.kr, 28 Sept 2026
- Generation time
- The Cramming page says problem generation takes approximately 5–7 minutes. · questi.kr, 7 Oct 2026
- Headquarters
- Seongnam-si, Gyeonggi-do, Republic of Korea · questi.kr, 28 Sept 2026
- Login requirement
- The subscription guide says login is required for all services. · questi.kr, 7 Oct 2026
- Plan limits
- The plan guide says AI Teacher time is the maximum monthly usage time and additional features can be accessed using credits, with fees varying by subscription plan. · questi.kr, 7 Oct 2026
- Platform availability
- The opened product and plan pages are web pages, and the plans page refers to using BookChat on the web and a downloaded version without specifying its operating system. · questi.kr, 7 Oct 2026
- Problem solving
- Users can upload an image of a problem to receive a detailed explanation, ask follow-up questions, and request similar problems. · questi.kr, 7 Oct 2026
- Question generation
- The site also lists tools for written-response authoring and grading, drill exams, solution videos, handwritten solutions, and educational materials such as workbooks, eBooks, and presentations. · questi.kr, 7 Oct 2026
- Study tools
- The site lists Book Chat, Library, Lecture Chat, exam analysis, exam similarity analysis, document conversion, similar problem generation, English vocabulary, cramming, and essay correction. · questi.kr, 7 Oct 2026
- Support
- The site lists [email protected] as its customer service contact and directs refund inquiries to customer support. · questi.kr, 7 Oct 2026
Where Questi stands on Freedom251
- Homework Help Software#15 of 29