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Every expert you admire was once a beginner who refused to quit.
Every expert you admire was once a beginner who refused to quit.
A long-running mobile coding app with many languages and a large community code playground.
Sololearn covers more programming languages and gives certificates; Teyro focuses on coding and AI with a four-step lesson that makes you apply each idea, no ads, and a stronger habit loop — streak freezes, weekly leagues and three daily quests. Both limit mistakes with hearts; Teyro’s refill over time or with coins you earn.
Pick Teyro if: you keep running out of attempts on the free tier.
Get Teyro freeFree to start · No ads · iPhone, Android and web
| Feature | Teyro | Sololearn |
|---|---|---|
| What you learn | Coding (web development, mobile apps, programming fundamentals, software development) and AI (using AI tools, building agents and automations) | Python, JavaScript, C++, Java, SQL, web and more |
| Lesson format | Four short steps per lesson: learn one idea, apply it straight away, reflect, then go deeper if you want | Short lessons with quizzes and a code playground |
| Price model | Free to start. Many courses are free end to end; paid courses let you try the first two lessons free | Free tier with limits and ads; Pro subscription |
| Where it runs | Runs in the browser and installs to your Home Screen on iPhone and Android in one tap — no app store | iOS, Android and web |
| Motivation system | Streaks with freezes and repair, weekly leagues, three daily quests, chests, coins, hearts | XP, streaks and leaderboards |
| Certificates | No completion certificates yet | Course certificates |
| Community | Each course has a community you join after your second lesson | Large public code playground and Q&A |
Competitor prices change often, so we describe the pricing model rather than quote a number. Check Sololearn's site for today's price.
We read 50 recent App Store reviews of Sololearn. These themes came up most in the 11 one- and two-star reviews.
Small sample from Apple's public reviews (US, UK, India, Nigeria, Canada, Australia), collected Sep 28, 2026. Unhappy reviewers are not typical users — treat this as a list of risks to check, not a verdict.
Every comparison page on this site ends with this list, so you can decide with the full picture.
Sololearn’s free tier limits mistakes, so you can run out and have to wait or upgrade. Teyro also uses hearts, but one comes back every 4 hours and you can refill all five with coins you earn by learning — no payment needed.
Teyro is free to start, has no ads, and many courses are free end to end. Paid courses let you try the first two lessons free.