Prepclass
Prepclass is an exam-preparation platform published by Okiro Education, Inc., the company behind College Council. It covers eight admissions and language examinations on a single adaptive engine: the SAT, ACT, TOEFL, IELTS, GRE, UCAT, IMAT and the Politecnico di Milano TOL.[1] It is available on the web at prepclass.io and, for the TOEFL, as an iOS and Android app.[2][3]
The platform runs a freemium model: a daily practice allowance is free without a payment card, and full-length tests and unlimited practice are sold as a subscription from $14.99 a month.[1][2]

Overview [edit]
Prepclass describes its method as one path for every exam: a short adaptive diagnostic, a gap-ranked study plan, adaptive item practice with worked explanations, full-length timed mock tests and a score readout built to each exam's own scoring model.[1] Writing and speaking responses for the TOEFL, IELTS and GRE are graded by AI against the exam rubric with descriptor-level notes.[1][3] The SAT item bank holds 13,018 questions and 47,932 answer options.[1]
Exams and content [edit]
| Exam | Purpose | Sections covered | Free tier |
|---|---|---|---|
| SAT | US undergraduate admissions | Reading and Writing, Math; 13,018 questions | 5 questions a day |
| ACT | US undergraduate admissions | English, Math, Reading, Science | 5 questions a day |
| TOEFL | English proficiency | Reading, Listening, Speaking, Writing; 12 task types; AI-graded | 3 practice sessions a day |
| IELTS | English proficiency | Listening, Reading, Writing, Speaking; band 0 to 9 in half steps | daily allowance |
| GRE | Graduate admissions | Verbal, Quantitative, Analytical Writing; section-adaptive | 5 questions a day |
| UCAT | UK medicine | Verbal, Decision Making, Quantitative, Situational Judgement (bands 1 to 4) | 5 questions a day |
| IMAT | Medicine in Italy, in English | Negative marking: +1.5 / -0.4 / 0 | 5 questions a day |
| PoliMi TOL | Engineering, Politecnico di Milano | Logic, Physics, Verbal, English (OFA gate) | 5 questions a day |
Section names, item counts and the free allowances are as stated on the Prepclass site in September 2026.[1]
Mobile applications [edit]
The mobile edition, "Prepclass - TOEFL Prep 2026" (subtitle "AI-Powered TOEFL 2026 Prep"), was released on the Apple App Store on 14 April 2026 under the seller name Okiro Education, Inc.; version 1.0.1 followed on 17 April 2026. The app is 63.9 MB, rated 4+, and localised into English and 21 other languages including Arabic, Chinese, Hindi, Japanese, Korean, Polish, Portuguese, Spanish and Turkish.[2] The Android edition, "Prepclass: TOEFL 2026 Prep" (package io.prepclass.app), was last updated on 25 August 2026; its listing describes all 12 TOEFL iBT 2026 task types, band scores from 1.0 to 6.0 mapped to CEFR levels, seven practice modes and AI grading for writing and speaking.[3]
Pricing [edit]
On the web, full-length tests and unlimited practice start at $14.99 a month, or $9.99 a month for the GRE and PoliMi TOL.[1] In the mobile app the subscription is sold as Prepclass Pro at $14.99 a month or $59.99 a year.[2] The free tier gives five questions a day on the SAT, ACT, GRE, UCAT, IMAT and PoliMi TOL and three practice sessions a day on the TOEFL, with no card required.[1]
History [edit]
The prepclass.io domain was registered on 25 August 2025, three weeks after the incorporation of Okiro Education, Inc.[5] According to the publisher, Prepclass began as a TOEFL preparation product and reached the App Store in April 2026; in July 2026 the SAT engine of the sister platform Okiro, launched in 2025, was merged into Prepclass, and the ACT, IELTS, GRE, UCAT, IMAT and PoliMi TOL modules were added during 2026.[4][6] College Council's consultancy site directs its TOEFL preparation clients to the platform.[7]
See also [edit]
References [edit]
- "Prepclass - eight exams, one engine." prepclass.io. https://www.prepclass.io/ Retrieved 5 September 2026. Lists the eight exams, the SAT item bank size, the free tier and prices.
- "Prepclass - TOEFL Prep 2026." Apple App Store, seller Okiro Education, Inc., app id 6760318069, released 14 April 2026, version 1.0.1 of 17 April 2026, size 63.9 MB, English and 21 other languages, in-app purchases Prepclass Pro Monthly $14.99 and Prepclass Pro Annual $59.99. apps.apple.com Retrieved 5 September 2026.
- "Prepclass: TOEFL 2026 Prep." Google Play, developer Okiro Education, Inc., package io.prepclass.app, updated 25 August 2026. play.google.com Retrieved 5 September 2026. The description lists the 12 TOEFL iBT 2026 task types, band scores 1.0 to 6.0 mapped to CEFR levels and seven practice modes.
- Product history provided by the publisher, September 2026: the TOEFL release of April 2026, the merger of the Okiro SAT engine into Prepclass in July 2026 and the addition of the remaining exams during 2026. See the Talk page.
- WHOIS record for prepclass.io, created 25 August 2025. rdap.org/domain/prepclass.io Retrieved 5 September 2026.
- "Okiro - SAT Prep." okiro.io. https://okiro.io/ Retrieved 5 September 2026.
- "Przygotowanie do TOEFL iBT - Kursy i Korepetycje." college-council.com. college-council.com/uslugi/przygotowanie-toefl Retrieved 5 September 2026.