Socra AI (ex-Riiid)

Active#21 in South Korea

AI tutoring and test prep

Edtech›AI tutoring and test prep

Founded2014

HQSeoul

RaisedUSD ~250M

Last roundGrowth · May 2021

Country of originSouth KoreaListed in the South Korea ranking

Where would you invest?HQ SeoulJurisdiction as cited by the ranking

Uback rankings

How the AI ranks →

Ranking	Tier	Rank	Edition	Next update
South Korea · all sectors	Top 40	#21	Edition 0 – beta · October 2026	18 Oct 2026

Rank historyOct 2026 · #21First edition: no movements yet.

Estimated valuation

AI · South Korea ranking

≈ USD 300MUSD 200–450M · Hundreds of M$ Medium confidence

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Anchor: Last known equity round: Growth round · USD 175M · May 2021
AI adjustment: ÷ 3: restructuring, US operations closed (2024), heavy losses

An indicative editorial estimate produced by AI, imperfect by nature: neither a financial valuation nor investment advice. Only the market sets a company’s value. Method

Funding history

USD ~250M raised in total

Date	Round	Amount	Type	Investors	Source
May 2021	Growth	USD 175M	Equity	SoftBank Vision Fund 2	prnewswire.com

Rounds as cited by Uback’s rankings and their sources. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

Independent analyses

By industry professionals & analysts

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What the AI reads

Press & investor announcements1 source

Read by the AI at the next edition.

Comparable companies in South Korea

Full South Korea ranking →

Class101#40Edtech › online creative classesTens of M$BOS Semiconductors#20Semiconductors › automotive AI chipsHundreds of M$Myrealtrip#22Travel › online travel and activitiesHundreds of M$Wadiz#19Fintech › reward and equity crowdfundingHundreds of M$

Investors in Socra AI (ex-Riiid): SoftBank Vision Fund

Sources. prnewswire.com

Last updated: Oct 2026Report an error

Uback is a content publisher. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.