What Sololearn Got Right (And What I'm Trying to Fix)

I'm not here to trash Sololearn.

Sololearn taught millions of people how to code. It was one of the first apps to make programming education feel mobile-native. That's a real achievement. I respect it.

But I'm building Codino — a Python learning app — and I'd be lying if I said I didn't study Sololearn carefully before writing a single line of code. I looked at what they got right. I looked at where users complained. And I made decisions based on both.

This is that honest breakdown.

What Sololearn Got Right

1. The Community Feel

Sololearn built a genuine community. The code playground where users share their projects, comment on each other's code, and get likes — that was smart. Learning feels less lonely when other people are doing it alongside you.

It created a social loop that kept people coming back even when they weren't actively doing lessons.

I haven't built this yet in Codino. The leaderboard is a start, but a full community layer is something I'm thinking about for a future update.

2. Multi-Language Support

Sololearn didn't bet on just one language. Python, JavaScript, C++, SQL, HTML — they covered everything. That gave them a massive addressable audience.

Codino is Python-only right now. That's intentional — going deep on one language is better than going shallow on ten. But I understand why multi-language eventually matters for scale.

3. The Code Playground

The ability to write and run real code inside the app — without going to a browser — was ahead of its time when Sololearn launched it. That feature alone brought back users who had finished all the lessons.

Codino has a full offline IDE powered by Sora Editor. I'd argue ours is actually more capable — real syntax highlighting, autocompletion, offline Python execution — but Sololearn deserves credit for proving this feature matters.

4. Bite-Sized Lessons That Actually Work

Sololearn understood that people learn on the bus, in bed, waiting in line. Their lessons are short, digestible, and don't demand 45 minutes of focus. That format works.

Codino follows the same philosophy. Short lessons, horizontal scrolling, one concept at a time. I didn't copy Sololearn — I copied the truth that they happened to figure out first.

Where Sololearn Left Users Behind

1. The Ads Are Brutal

Sololearn's free tier is heavily monetized with ads. Video ads between lessons. Banner ads. The learning flow gets interrupted constantly.

When you're trying to focus on a new concept, an ad breaks your concentration. That's not a small thing. That's the core product experience being damaged for revenue.

Codino has zero ads. Not "fewer ads." Zero. I believe if you interrupt someone's learning moment for revenue, you've chosen money over the user. I'm not doing that.

2. No Real AI Tutor (Free)

Sololearn added an AI feature called "Sololearn AI." It's paywalled. If you want AI to explain a concept or help debug your code, you pay.

The students who need the most help are usually the ones with the least money.

Codino gives every user free daily AI credits powered by Gemini and Groq as fallback. You get real AI explanations, code debugging help, and lesson hints — for free, every day.

3. The Certificate Costs Money

After finishing a Sololearn course, you can earn a certificate. But downloading and sharing a verified certificate requires a paid subscription.

You did the work. You finished the course. But the proof of it is locked behind a paywall.

Codino gives certificates for free. You finish the Python course, you get the certificate. No payment required. That's just fair.

4. No Data Science Library Support

Sololearn lets you run Python code. But try importing NumPy or Pandas — it won't work. Their code runner doesn't support real scientific libraries.

For anyone learning Python for data science or machine learning, this is a dead end.

Codino supports 20+ real libraries — NumPy, Pandas, Matplotlib, Scikit-Learn — through Pyodide running inside a Jupyter-style notebook. You can do real data science on your phone, offline.

5. The IDE Feels Like a Toy

Sololearn's code editor is functional but minimal. No real autocompletion. No advanced syntax highlighting. It feels like a demo, not a real development environment.

Codino uses Sora Editor — a full-featured, open-source Android code editor. It feels like a real IDE because it is one.

The Honest Summary

What I'm Still Working On

Sololearn has years and millions of users on me. There are things they've figured out that I'm still learning:

• 
  Community building — People coming back to share and connect, not just learn


• 
  Breadth — More languages eventually


• 
  Scale — Making everything work smoothly for thousands of users, not just hundreds

I'm one developer. Codino is a few months old. But the foundation is honest, the tools are free, and the user never pays for the things that should be free.

That's what I'm building toward.

Codino is available on the Google Play Store. Search "Codino Learn Python."

If you've used Sololearn and want to share your experience — comment below. I genuinely read everything.