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No. 32Consumer apps

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Canary

A language-learning app that teaches through the songs you love, with karaoke, quizzes and live practice with people.

Visit singwithcanary.comDashboard shownas of Nov 4, 2026

What it is

Canary lets learners pick up a language from songs, for example French or Spanish tracks, with lyrics and translation, karaoke practice, vocabulary cards and AI training, plus practice with other learners. It is freemium with a $10 a month or $79 a year subscription. Ben Guez runs it solo and says he grew it from a viral singing video.

How it was built with AI

Ben Guez told Starter Story he is not a developer and had never written a line of code, and that about four months before the interview he started vibe coding, which sped up shipping features. His stack list names Claude for vibe coding (about $200 a month) and OpenAI for the in-app AI features; the first MVP took roughly a month.

Traction

Dashboard shown

About $25,000 in the last 28 days, MRR close to $14,000, 2,000 paying subscribers and 50,000 downloads, per the founder, who showed his revenue dashboard on Starter Story (Nov 4, 2026)

As of Nov 4, 2026. The founder showed a revenue dashboard in an interview or post. Not independently verified. Read the source

One of 50 vibe-coded apps on MissumAI with revenue backed by payment data or a shown dashboard. See all vibe-coded apps making money

Sources

  1. 01I turned a viral idea into a $25K/month appStarter Story · Nov 4, 2026 · checked Nov 5, 2026
  2. 02Canary: learn languages with musicCanary · checked Nov 5, 2026

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