Codédex makes $79,915 a month teaching people to code, and has barely grown in eleven months
A gamified coding school with 6,381 paying subscribers on top of a huge free funnel. Monthly revenue has held between $65,068 and $80,384 since December 2025 — a business that found its level and stayed there.
Product at a glance
Summary
What this business is
Codédex is a gamified learn-to-code platform founded by Sonny Li in November 2022. It gives away 250+ hours of interactive lessons and charges from $9.99 a month for Club membership. The verified numbers describe a business that has stopped growing but not shrunk: monthly revenue has stayed between $65,068 and $80,384 for eleven straight months, MRR is $79,915 from 6,381 subscribers, and all-time verified revenue is $1,529,002. The company claims about 2 million users; if that count is right, roughly 0.3% of them pay.
Why these scores? See the reasons in Key takeaways →
Momentum
Steady. Monthly revenue has stayed between $65,068 and $80,384 for eleven months; the last 30 days fell 14.3% on TrustMRR’s growth measure.Derived
Best suited for
Builder (main). The product is a content-and-community engine, not a feature race.
Marketer (second). Growth depends on the free funnel converting a small share of a very large audience.
Key findings
Product overview
Coding lessons built like a game, free for the first 250 hours.
Codédex teaches programming through interactive, game-style lessons. The free tier carries 250+ hours of lessons; Club membership, from $9.99 a month, unlocks the full catalogue[2]. TrustMRR lists an estimated 2,000,000 users and a beginner audience: people starting to code and people switching careers[1].
The stack is TypeScript and React on Vercel and Google Cloud, with Stripe for payments[1]. GitHub shows 1,941 contributions in the last year — an actively maintained product, not a dormant one[1].
What the site looks like
What to look for
- 1“Start your coding adventure”: the 250+ free hours are the headline promise, not a feature bullet.Fact
- 2The catalogue leads with career paths — Data Science, Cybersecurity, AI. The free funnel aims at career switchers.Fact
- 3Pixel-art course cards everywhere: the game framing is the brand, not decoration.Fact
What to look for
- 1The plans as captured: Free $0 · Club from $9.99/mo — the same lineup the pricing chapter below works through.Fact
Revenue analysis
Eleven months inside one band, with a soft October.
Monthly revenue has not left the $65,068–$80,384 range since December 2025[1]. The strongest months were July and August 2026 ($80,384 and $80,284); October fell to $65,696, within $628 of the band’s December floor[1]. Before December 2025 the business earned $687,742, so most of its $1,529,002 all-time total arrived in the last year[1].Derived
| Reading | MRR | Active subscriptions | MRR per subscription |
|---|---|---|---|
| Nov 12, 2026 | $79,915 | 6,381 | $12.52 |
One current reading is all TrustMRR publishes without an account; the monthly series above is the trend source for this report. At $12.52 per subscription, Codédex needs roughly 800 net new subscribers to add $10,000 of MRR.Derived
Daily revenue
July 2026.Fact
$65,696 vs $80,284.Derived
6,381 of about 2,000,000.Derived
Market
Learn-to-code is one of the most contested consumer categories on the internet, with free offerings from platforms far larger than Codédex and, now, free AI tutors. We found no rival publishing Stripe-verified revenue on the same basis, so revenue is not compared.
Pricing: free in hours, paid in dollars
The free tier is measured in hours; the paid tier starts under ten dollars.
| Tier | Price | What it gives |
|---|---|---|
| Free | $0 | 250+ hours of interactive lessons |
| Club | from $9.99/mo | Full catalogue and member features |
TrustMRR’s profile records the model as free lessons plus Club from $9.99 a month[1]. The average subscriber actually pays $12.52, so a share of members sit on higher or older price points.Derived No archived pricing history was used for this report; earlier prices are not public on the same basis.
Where customers come from
A search-and-content funnel, as far as the outside shows.
The lessons themselves are the acquisition surface; each course page is a search landing page.[2]
FactDomain rating 64 on TrustMRR’s SEO data, strong for a consumer education site.[3]
FactA small founder account; community challenges run inside the product.[1]
FactTrustMRR does not show a traffic split for Codédex (no analytics connected), so channel shares are not estimated here.
Growth strategies
Two moves, both visible from outside.
Timeline
Key takeaways
Codédex shows the steady state of a consumer subscription with a giant free funnel: dependable revenue, a conversion rate measured in tenths of a percent, and growth that has to be re-earned every month.
Why we scored it this way
Copy
- Give the core product away in hours, not features. 250+ free hours make the funnel; the paywall sits after the habit forms. P1
- Price the entry tier at impulse level. Club starts at $9.99; the average subscriber pays $12.52. P2
- Build where the audience already plays. Game mechanics and community challenges carry retention that lessons alone do not. P1
Avoid
- Mistaking a big free audience for growth. Eleven flat months at 2M claimed users shows reach and revenue can fully decouple.
- Depending on one funnel you do not control. Search and social discovery can reprice the top of the funnel at any time.
Our predictions
Three claims with dates. We mark each one right or wrong on its date and keep the result on the page.
Track record: the predictions in our earlier reports are still open; the first checks land Dec 1, 2026. We mark each prediction right or wrong on its date and keep the result on the page.
What could prove us wrong
Things that would change our read, and how to check them.
- The flat year is a pause, not a level. A new course line or a schools product could restart growth; neither is visible in the current numbers.Check: monthly revenue above $90,000 in any month to Mar 2027.
- The user count may be registered accounts, not users. If active learners are far fewer than 2M, the funnel reads better than we scored it.Check: not public; the company does not publish active-user numbers.
Appendix
FAQ
How much does Codédex make?
$62,070 in the 30 days to Nov 12, 2026, verified through Stripe on TrustMRR. MRR is $79,915 from 6,381 subscriptions; all-time revenue is $1,529,002.
Is Codédex growing?
Not on the verified numbers. Monthly revenue has stayed between $65,068 and $80,384 for eleven months, and October 2026 was the softest month of that run.
What does Codédex charge?
Lessons are free for the first 250+ hours; Club membership starts at $9.99 a month. The average subscriber pays about $12.52 a month.
Who founded Codédex?
Sonny Li founded it in November 2022 in the US, per its TrustMRR profile.
Sources
- [1]TrustMRR: Codédex — revenue, MRR, subscriptions, daily and monthly data. Verified through a Stripe API key. Synced 2026-11-13.
- [2]Codédex — product, free lesson count and Club pricing as shown on the site, Nov 2026.
- [3]TrustMRR SEO domain data for codedex.io — domain rating 64, synced 2026-11-09.
Screenshots © Codédex, used for commentary. Oddig has no business relationship with Codédex. Numbers change daily; check the sources for the latest.
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