I Built a SaaS App on a Broken Phone That Got Stolen - Here's What I Learned

By Rotji Gonsum (Fancytreaz)

Location: Jos, Nigeria 🇳🇬

App: MicroHabit AI - AI-Powered Habit Tracker

The Beginning

January 2026. I had an idea for a habit tracker that could predict when you'd skip your habits before it happened. Not another reminder app. Real AI predictions based on your patterns.

I had:

• A broken Android phone (crashed every 10 minutes)
• Zero budget
• No MacBook
• No "proper" development environment
• Just QuickEdit (a text editor for Android)

Most people would have waited for "better circumstances."

I started building anyway.

Building on a Broken Phone

Every coding session was a race against time.

Write code for 8 minutes. Phone crashes. Restart. Push to GitHub. Repeat.

People asked: "Why don't you just get a laptop?"

The answer was simple: I couldn't afford one.

So I built with what I had.

Tech stack:

• Vanilla JavaScript (no frameworks - couldn't install npm on my phone)
• Firebase Firestore (free tier)
• Firebase Authentication (free tier)
• Google Gemini API (free tier)
• GitHub Pages (free hosting)
• Total cost: $0

The First Users

February 3, 2026 - Launch day.

I posted on LinkedIn. Shared on Twitter. Told everyone I knew.

Day 1:3 signups

Day 7:8 users

Day 14:14 users, 5 countries

People from Bulgaria, Ireland, Netherlands, USA, and Nigeria were using something I built on a phone that crashed every 10 minutes.

That felt incredible.

Then Everything Changed

February 17, 2026.

My phone got stolen.

The broken phone I'd spent a month coding on. Gone.

I borrowed my neighbor's phone to post updates. "Phone stolen. App still running."

The responses shocked me:

• "Shipping really is the moat"
• "This is what building in public looks like"
• "Your dedication is inspiring"

The lesson:They took my hardware. They couldn't take what was deployed.

The Comeback

March 3, 2026.

My dad bought me a new phone - Infinix Smart 10 HD.

First thing I did: Clone my GitHub repo.

The app was exactly as I left it. 15 users. 5 countries. Zero downtime.

I'd gained 2 new users while my phone was stolen.

The internet doesn't care what device you build on.

The Reality Check

One month in. 15 users. Zero paid.

Everyone was using the free tier (3 habits). Nobody upgrading to premium ($9/month).

Honest truth:Most of my users are broke. I know some of them personally. They can't afford $9/month.

This hurt. But it taught me something important:

Building for people like you means understanding their constraints.

I'm not building for Silicon Valley developers with $200k salaries. I'm building for people in Jos, Nigeria. People coding on broken phones. People with $0 budgets.

That's my market. That's who I understand.

What I've Learned

Lesson 1: Perfect Conditions Are a Myth

Waiting for a MacBook? A standing desk? Dual monitors? You'll wait forever.

Start with what you have. The gap between "I wish I had" and "I'm building with" is where real builders live.

Lesson 2: Deployment > Development Environment

My code wasn't written in VS Code with Copilot. It was written in QuickEdit on a cracked screen.

But it shipped. It's live. People use it.

Nobody asks what IDE you used. They ask if it works.

Lesson 3: Free Users ≠ Failed Product

15 free users, 0 paid sounds like failure.

But those 15 people chose my app over Habitica, Streaks, and dozens of established competitors.

They're not paying because they CAN'T, not because the product isn't valuable.

Different problem. Different solution needed.

Lesson 4: Building in Public Creates Opportunities

Posting my journey led to:

• Real connections with other builders
• Advice from experienced founders
• Features in tech blogs
• Discord communities welcoming me
• One incredible comment: "I coded on my dad's phone for 4.5 years - you have potential"

I didn't get users from building in public.

I got something better: a community.

Lesson 5: Your Story IS Your Marketing

I don't have a marketing budget.

But I have a story:

• Built on broken phone
• Phone got stolen
• App kept running
• Built from Nigeria
• Still here

People remember stories. Nobody remembers "just another habit tracker."

Lesson 6: Constraints Breed Creativity

No npm? Write vanilla JavaScript.

No database money? Use Firebase free tier.

No hosting budget? GitHub Pages.

No API budget? Find free tiers.

I learned more building with constraints than I would have with unlimited resources.

Lesson 7: Most People Quit at Day 3

I'm on Day 4 of a 30-day posting challenge.

Day 1: Excited, full of energy

Day 2: Still motivated

Day 3: Reality sets in, results are slow

Day 4: Most people quit here

The ones who succeed? They show up on Day 4.

The Numbers (Honest Reality)

After 1 month:

• 15 registered users
• 5 countries reached
• 0 paid users
• $0 revenue
• $0 spent on marketing
• ~200 total video views
• 100% uptime

Are these impressive numbers? No.

Are they honest numbers? Yes.

What's Next

I'm not giving up on my 15 users.

I'm not chasing vanity metrics.

I'm doing two things:

1. Posting daily for 30 days:
   
   Building consistency. Building content. Building in public.

2. Launching on Product Hunt (March 29): One big swing. One day of massive traffic. One chance to 10x my users.

Will it work? I don't know.

But I'm showing up.

The Real Success

Success isn't 1,000 users or $10k MRR yet.

Success is:

• Building something people use (15 people trust my code)
• Surviving setbacks (phone stolen, kept going)
• Learning constantly (every bug is a lesson)
• Showing up daily (Day 4 of 30)
• Staying honest (no fake metrics, no exaggerations)

*To Anyone Building with Limited Resources
*
You don't need:

• A MacBook
• A standing desk
• The latest iPhone
• A coding bootcamp certificate
• Silicon Valley connections
• A marketing budget

You need:

• An idea
• Internet access
• The willingness to start
• The discipline to continue

I'm not special. I just started.

With a broken phone that got stolen.

And I'm still here.

Current Status

App: Live at (microhabitai.github.io/MicroHabit-AI/)
Users: 15

Revenue: $0

Streak: 4 days of daily posting

Next milestone: Product Hunt launch (March 29)

Current mood: Determined

Connect With Me

Twitter/X: @MicroHabitAI

LinkedIn: Fancy Treaz
Location: Jos, Nigeria 🇳🇬

Status: Building in public, one day at a time

If you're building something with limited resources, let's connect. We're in this together.

Day 4 of 30. Still here. Still building.

This post was written on an Infinix Smart 10 HD, the phone my dad bought me after my previous one was stolen. The journey continues.