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Brainly vs Riiid

Side-by-side on valuation, funding, investors, founders & more

Comparison updated: April 2026

Riiid is valued at $1B — more than 3x Brainly's N/A.

Head-to-Head Verdict

Dead heat — tied on all comparable metrics

Brainly

2 wins

-Funding
-Awaira Score
+Team Size
+Experience

Riiid

2 wins

+Funding
+Awaira Score
-Team Size
-Experience

Key Numbers

Valuation
N/A
$1B
Total Funding
$165M
$220M
Awaira Score
62/100
80/100
Employees
300
100-500
Founded
2009
2014
Stage
Series D
Series D
BrainlyRiiid
Brainly logo
Brainly

🇵🇱 Poland · Michal Borkowski

Series DAI EducationEst. 2009

Valuation

N/A

Total Funding

$165M

Awaira Score62/100

300 employees

Full Brainly Profile →
Winner
Riiid logo
Riiid

🇰🇷 South Korea · Jang Young-jun

Series DAI EducationEst. 2014

Valuation

$1B

Total Funding

$220M

Awaira Score80/100

100-500 employees

Full Riiid Profile →
Market Context

As AI Education players, Brainly and Riiid target overlapping customers despite operating from different countries. At Series D, both companies are navigating the same growth-stage dynamics.

🔬

Analyst Summary

Built from real data · Updated April 2026

Companies

AI Education remains a contested market, with Brainly and Riiid among its most prominent entrants. Brainly is a Polish AI-powered educational platform founded in 2009 that employs artificial intelligence and community collaboration to provide academic support. Riiid develops AI-powered adaptive learning and test preparation technology, most notably the Santa TOEIC app, which uses reinforcement learning and knowledge tracing algorithms to personalise English proficiency test preparation for individual learners based on their demonstrated strengths and weaknesses.

Funding & Valuation

Riiid carries a disclosed valuation of $1B, while Brainly remains privately valued. In aggregate funding, Riiid edges ahead at $220M versus Brainly's $165M.

Growth Stage

With a 5-year head start, Brainly (founded 2009) has had considerably more time to mature than Riiid (2014). Both sit at the Series D stage, suggesting similar risk profiles for potential investors. Headcount tells a story too: Brainly has 300 employees and Riiid has 100-500.

Geography & Outlook

Brainly operates out of 🇵🇱 Poland while Riiid is based in 🇰🇷 South Korea, giving each a distinct home-market advantage. Riiid scores 80 on Awaira's composite index versus Brainly's 62, a wide margin reflecting substantially stronger fundamentals. Brainly, led by Michal Borkowski, and Riiid, led by Jang Young-jun, each bring distinct leadership visions to the AI sector.

Funding Velocity

Brainly

Total Rounds4
Avg. Round Size$28.5M
Funding Span8 yrs

Riiid

Total Rounds1
Avg. Round Size$175M

Funding History

Brainly has completed 4 funding rounds, while Riiid has gone through 1. Brainly's most recent round was a Series D of $80M, compared to Riiid's Series D ($175M). Both are currently at the Series D stage.

Team & Scale

Brainly is significantly larger with about 300 employees, compared to Riiid's 100-500. That's a 3x difference in headcount. Brainly has a 5-year head start, founded in 2009 vs Riiid's 2014. Geographically, they're in different markets — Brainly operates out of Poland and Riiid from South Korea.

Metrics Comparison

MetricBrainlyRiiid
💰Valuation
N/A
$1B
📈Total Funding
$165M
$220MWINS
📅Founded
2009
2014WINS
🚀Stage
Series D
Series D
👥Employees
300
100-500
🌍Country
Poland
South Korea
🏷️Category
AI Education
AI Education
Awaira Score
62
80WINS

Key Differences

📈

Funding gap: Riiid has raised $55M more ($220M vs $165M)

📅

Market experience: Brainly has 5 years more (founded 2009 vs 2014)

👥

Team size: Brainly has 300 employees vs Riiid's 100-500

🌍

Market base: 🇵🇱 Brainly (Poland) vs 🇰🇷 Riiid (South Korea)

⚔️

Direct competitors: Both operate in the AI Education market segment

Awaira Score: Riiid scores 80/100 vs Brainly's 62/100

Which Should You Choose?

Use these signals to make the right call

Brainly logo

Choose Brainly if…

  • More market experience — founded in 2009
  • Poland-based for regional compliance or proximity
  • Brainly is a Polish AI-powered educational platform founded in 2009 that employs artificial intelligence and community collaboration to provide academic support
Riiid logo

Choose Riiid if…

Top Pick
  • Higher Awaira Score — 80/100 vs 62/100
  • More established by valuation ($1B)
  • Stronger investor backing — raised $220M
  • South Korea-based for regional compliance or proximity
  • Riiid develops AI-powered adaptive learning and test preparation technology, most notably the Santa TOEIC app, which uses reinforcement learning and knowledge tracing algorithms to personalise English proficiency test preparation for individual learners based on their demonstrated strengths and weaknesses

Funding History

Brainly raised $165M across 4 rounds. Riiid raised $220M across 1 round.

Brainly

Series D

Dec 2020

Lead: Naspers

$80M

Series C

Jan 2015

$15M

Series A

Oct 2014

$9M

Series B

Jan 2013

Lead: Posts Holdings

$10M

Riiid

Series D

Nov 2021

Lead: SoftBank Vision Fund 2

$175M

Investor Comparison

No shared investors detected between these two companies.

Unique to Brainly

NaspersHorizon CapitalPosts Holdings

Unique to Riiid

SoftBank Vision Fund 2

Users Also Compare

FAQ — Brainly vs Riiid

Is Brainly bigger than Riiid?
Riiid has a disclosed valuation of $1B, while Brainly's valuation is not publicly available, making a direct size comparison difficult. Riiid employs 100-500 people.
Which company raised more funding — Brainly or Riiid?
Riiid has raised more in total funding at $220M, compared to Brainly's $165M — a gap of $55M. Combined, the two companies have completed 5 known funding rounds.
Which company has a higher Awaira Score?
Riiid leads with an Awaira Score of 80/100, while Brainly sits at 62/100. That 18-point gap reflects real differences in funding, scale, and traction — it's not a vanity metric.
Who founded Brainly vs Riiid?
Brainly was founded by Michal Borkowski in 2009. Riiid was founded by Jang Young-jun in 2014. Visit each company's profile on Awaira for a full founder biography.
What does Brainly do vs Riiid?
Brainly: Brainly is a Polish AI-powered educational platform founded in 2009 that employs artificial intelligence and community collaboration to provide academic support. The platform enables students to ask questions across subjects and receive answers from a global community of peers and educators, with AI systems helping verify answer quality and relevance. Brainly's core service centers on homework help, test preparation, and subject-specific learning across mathematics, science, languages, and humanities. The company has raised $165M in total funding through Series D stage financing, with valuation not disclosed. The platform operates globally, serving millions of monthly active users across multiple countries and languages. Brainly's technology integrates machine learning to personalize learning experiences, detect spam or inappropriate content, and recommend relevant answers. The platform monetizes through premium subscriptions offering ad-free access, detailed explanations, and priority response features. Competitively, Brainly positions itself within the AI education market alongside platforms like Chegg and traditional tutoring services. The company has achieved significant scale in emerging markets and developed nations. Growth trajectory indicators include expanding user base, geographic expansion, and increasing integration of advanced AI capabilities into its core offering. Brainly combines peer-to-peer learning with AI verification systems to create a scalable, community-driven alternative to traditional tutoring. Riiid: Riiid develops AI-powered adaptive learning and test preparation technology, most notably the Santa TOEIC app, which uses reinforcement learning and knowledge tracing algorithms to personalise English proficiency test preparation for individual learners based on their demonstrated strengths and weaknesses. The Seoul company builds AI models that predict which questions each student should practice to maximise test score improvement per unit of study time.\n\nThe company raised approximately $220 million including a Series D from investors including SoftBank Ventures Asia, Owl Ventures, and GoodWater Capital, reaching a valuation exceeding $1 billion. Riiid Santa TOEIC app has been used by millions of Korean learners preparing for the TOEIC English proficiency exam, which is a mandatory or strongly encouraged credential for employment at major Korean corporations. The company has expanded its AI tutoring technology beyond TOEIC into other standardised test preparation and enterprise training applications.\n\nRiiid competes in the AI education market against Duolingo, Khan Academy, and Korean education technology companies including Classting and Mathpresso. Its reinforcement learning-based adaptive learning system, which optimises study sequences for individual score improvement rather than presenting content in a fixed curriculum order, represents a technically sophisticated approach to personalised learning that distinguishes it from content-first edtech platforms. The proven consumer use case in TOEIC preparation provides a revenue foundation and model validation that the company is extending into new learning domains.
Which company was founded first?
Brainly got there first, launching in 2009 — that's 5 years of extra runway. Riiid didn't arrive until 2014. In AI, that kind of head start means more training data, deeper customer relationships, and a bigger talent moat.
Which company has more employees?
Brainly has about 300 employees; Riiid has about 100-500. A bigger team usually means more revenue or heavier VC backing, but in AI, small teams can build at massive scale.
Are Brainly and Riiid competitors?
Yes — they're direct rivals. Both Brainly and Riiid compete in AI Education, targeting many of the same buyers. If you're evaluating one, you should be looking at the other.

Bottom Line

Riiid has a clear lead here — Awaira Score of 80 vs Brainly's 62. The difference comes down to funding depth and strategic focus.

Who Should You Watch?

Riiid is in the stronger position — better score and deeper pockets. But Brainly has room to surprise, especially if they land a marquee investor. Follow both profiles on Awaira to track funding rounds, team changes, and score updates.

Deep Dive