The Princeton Review vs Riiid
Major US test-prep and admissions tutoring brand. South Korean AI edtech whose Santa app gives adaptive, AI-tutor TOEIC/TOEFL prep (rebranded Socra AI). Below we put The Princeton Review and Riiid side by side — model, fees, subjects, pricing, founding year and the countries they serve — to help you choose the right online tutoring platform.
| Attribute | The Princeton Review princetonreview.com | Riiid riiid.com |
|---|---|---|
| Type | Test Prep Tutoring | Test Prep Tutoring |
| Model | Managed / agency | Subscription |
| Founded | 1981 | 2014 |
| Headquarters | New York, USA | Seoul, South Korea |
| Regions served | USA, global online | Korea, Japan, Taiwan; partnerships into US, LatAm, Middle East |
| Subjects | SAT, ACT, GRE, GMAT, LSAT, MCAT, AP, admissions | TOEIC/TOEFL English test prep (AI-driven) |
| Pricing | 1-on-1 tutoring ~$40–83/hr; courses and packages | Santa app ~$16.49/mo or ~$103.99/yr; premium passes $149.99-$239.99 |
| Scale | Owns Tutor.com | ~$250M raised (incl. $175M SoftBank); Santa 5M+ downloads; rebranded Socra AI (2025) |
| Status | Active | Active |