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Every expert you admire was once a beginner who refused to quit.

Teyro

The fun way to finish learning coding and AI: short daily lessons with streaks, leagues and friends.

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HomeWho it’s for
Coding · for commuters

A Coding App for Your Commute (That Works Offline)

Turn the train or bus into coding practice: short lessons on your phone that open instantly and keep working offline once installed.

The short answer

A commute is perfect for learning to code if the app is built for it. Teyro installs to your Home Screen, opens instantly, keeps working offline once installed, and splits every lesson into four short steps you can finish between stops. A daily streak and a weekly league turn the same ride every day into steady progress.

Get Teyro free

Free to start · No ads · iPhone, Android and web

1282,4505,3805
Section 2 · Unit 3JavaScript functions
START
Opens instantly, works offline
The real problem

What gets in the way for commuters

Motivation is rarely the issue. These are.

1

Patchy signal in tunnels and underground

2

Standing room only, often one-handed

3

The ride is 10–30 minutes, not an hour

4

Social media is always one tap away

How Teyro fits

Built around that

Opens instantly, works offline

Installed from the browser to your Home Screen — no app store — and it keeps working when the signal drops.

1282,4505,3805
Section 2 · Unit 3JavaScript functions
START

Sized for the ride

Pick a daily goal from about 5 to 20 minutes. Each lesson has four short steps.

5
Apply

Finish the function so it gives back the total:

function add(a, b) {
 return a + b
}
return a + b
print(a + b)
a + b = result
Nice! That's right.+10 XP

A better tap than scrolling

Three daily quests, chests and a weekly league give the same pull as a feed — and leave you with a skill.

Daily quests
Earn 50 XP50 / 50
Finish 3 lessons3 / 3
Get 20 answers right20 / 20
+50 coins
Level 14
Your first week

What the first seven days look like

Start with: Programming fundamentals or web development.

  1. 1Day 1 — Install Teyro to your Home Screen before you leave home
  2. 2Day 2 — One lesson on the way in
  3. 3Day 3 — Second lesson unlocks the course community
  4. 4Day 4 — Lesson on the way home; finish a daily quest
  5. 5Day 5 — Try a lesson with no signal
  6. 6Day 6 — Check your league position
  7. 7Day 7 — Make the first lesson of the ride automatic

The honest bit

Phone lessons build understanding and habit; bigger projects still need a laptop now and then.

Frequently asked questions

Does Teyro work offline?

Once installed to your Home Screen, Teyro opens instantly and keeps working offline.

Start tonight, commuters

Your first lesson takes a few minutes. Free to start, no ads.

Get Teyro free

Free to start · No credit card needed

Teyro for other people

For studentsThe Coding App for Students Who Keep Meaning to StartLearn to code alongside classes in 5–20 minutes a day, with streaks, weekly leagues and friends. Free to start, no ads, works on your phone.Read more For career changersA Coding App for Career Changers With a Full-Time JobSwitch into tech around your job: short daily coding and AI lessons, a clear path that tells you what is next, and a streak that keeps you going. Free to start.Read more For busy parentsThe Coding App for Busy Parents: Learn in Nap-Time MinutesLearn to code in 5–20 minute lessons that survive interruptions, with streak freezes for chaotic days. Free to start, works on your phone.Read more