You know that feeling, right? You’re sitting there, maybe sipping a cafezinho here on anywhere, and bam! An app idea hits you like a sudden tropical downpour.
“It’s brilliant!” you think. “Everyone will use it! It’ll solve world hunger, cure imposter syndrome, and teach my dog Portuguese!”
You immediately want to fire up your IDE, open your favorite code editor, and start typing away, fueled by pure enthusiasm.
And that, my friends, is where many dreams go to die. Or, at least, where countless hours, significant money, and a good chunk of sanity evaporate into thin air.
Because while the idea might be brilliant to you, the cold, hard truth of the startup world is: nobody cares about your idea until they need it. And you won’t know if they need it until you’ve actually, well, asked them.
I’ve observed this pattern countless times. A developer, bursting with passion, spends months building a technically perfect app.
They launch it, feeling triumphant. Then… crickets. No downloads, no users, no traction. Why? Because they fell in love with their solution before validating if there was a real problem that enough people cared about. It’s like building the most incredible, technologically advanced carro de corrida (racing car), only to find out the race is for bicycles.
So, before you embark on that arduous, time-consuming, and often expensive journey of coding, take a breath. There are smarter ways to approach this.
It’s about being a detective, a diplomat, and a clever strategist, rather than just a coding machine. It’s about validating your app idea before you commit your precious time and resources.
Let’s talk about how to do just that, and save yourself a world of pain (and potentially make a world of money!).
1. The problem first, always
This is the absolute foundation. Do not, I repeat, do not start with a solution. Start with a problem.
Identify a Pain Point: What bothers you? What frustrates your friends, family, or colleagues? What inefficiency have you observed in your daily life or at work? People pay for solutions to problems, not just for cool features. If you’re building an app for fun, that’s great! But if you want it to be used (and perhaps make money), it needs to solve a real, identifiable problem.
Validate the Problem’s Severity: Is this problem just a minor annoyance, or is it a hair-pulling, table-flipping frustration? The more severe the pain, the more likely people are to seek (and pay for) a solution. It’s like realizing your churrasqueira is broken right before a big party – that’s a major pain point!
Who Has This Problem? Is it just you, or do hundreds, thousands, or even millions of people experience this same pain? Identify your target audience early.
My Take: I’ve seen fantastic apps fail because they solved a problem that very few people had, or that wasn’t painful enough to warrant a new solution. Focus on the “why” before the “what.”
2. Talk to your potential users
This is arguably the most critical step. Get out of your coding cave and talk to people.
Conduct Interviews (Not Surveys!): Surveys are good for quantitative data, but interviews provide rich, qualitative insights. Ask open-ended questions about their experiences with the problem, how they currently solve it, and their frustrations. Listen more than you talk. Don’t pitch your solution immediately!
Listen for “Workarounds” or “Pain Stories”: If people are desperate enough to have invented clumsy workarounds (e.g., using spreadsheets for something they shouldn’t, manually combining data from multiple sources), that’s a strong signal of a real problem. Listen for exasperated sighs when they describe their current situation.
Look for Desperation: Are they actively searching for a solution? Have they tried other things and failed? That level of desperation indicates high demand.
My Anecdote: I observed a developer who wanted to build an app for tracking fitness goals. He thought everyone would love a super-complex, gamified system. After talking to a dozen potential users, he found that most people just wanted a simple way to log their workouts and see basic progress. His initial idea was too complicated and solved problems nobody had. Talking to users early pivoted his idea to something truly useful. It’s like asking your guests what kind of bebida (drink) they prefer for the churrasco instead of just buying what you like.
3. Competitor analysis
You’re rarely the first one with an idea, and that’s actually a good thing!
Identify Competitors (Direct & Indirect): Who else is solving this problem? These are your direct competitors. Also, consider indirect competitors – how are people solving this problem without a specific app? (e.g., pen and paper, spreadsheets, brute force).
Analyze Their Strengths & Weaknesses: What do they do well? Where do they fall short? Read their app reviews. This helps you identify unmet needs or ways you can differentiate your solution.
Don’t Be Afraid of Competition: Competition validates that a problem exists and people are willing to pay for a solution. Your goal isn’t to be unique; it’s to be better or different in a way that matters to your target audience.
My Take: If there’s no competition, it might mean there’s no market. Or, it could mean the problem isn’t painful enough. Analyze, learn, and identify your unique value proposition. It’s like checking out other churrascarias in town to see what they do well and where you can offer something unique.
4. Create an MVP (Minimum Viable Product)
This is where you might finally write some code, but not a lot.
The Goal: An MVP is the barebones version of your app that has just enough features to solve the core problem for your early adopters. Its purpose is to test your core hypothesis, not to be perfect.
Paper Prototypes / Wireframes: Start with sketches! Draw out your app’s screens and user flow. Use tools like Figma or Balsamiq to create clickable mockups without writing code. This is fast and cheap to iterate.
Low-Code/No-Code Tools: For some ideas, you can even build a basic functional version using platforms like Bubble, Adalo, or Glide without writing traditional code. This can test user interaction quickly.
Essential: Don’t build a full-blown, polished app. The MVP should be embarrassing for you to show. If you’re not embarrassed, you’ve probably built too much!
My Anecdote: I’ve seen startups build entire complex user authentication systems and payment gateways for their MVP when all they needed was a simple email sign-up and a free trial. Focus on the single, most important problem your app solves, and build only that. It’s like preparing just the picanha for a tasting, not the entire churrasco spread.
5. Get feedback early and often
Your MVP is out. Now, listen!
Launch to a Small Group: Share your MVP with your initial interviewees and a small group of early adopters. Get their honest feedback.
Observe Behavior: Don’t just ask what they think; observe what they do. Where do they get stuck? What features do they ignore? What do they try to do that your app doesn’t allow?
Be Open to Pivoting: Your initial idea might be wrong, or your solution might need significant tweaks. Be prepared to pivot – to change direction based on user feedback. This agility saves you from building something no one wants.
My Take: The earliest feedback is the cheapest to implement. Changing a button on a wireframe takes minutes. Changing a button in a fully coded app, with complex backend integrations, takes days or weeks. Embrace the feedback loop as if it were the cycle of seasons in Brazil – constant change, constant growth.
6. Test your business model
If your goal is a profitable app, this is critical.
Pricing Strategy: How will you charge? Subscription? Freemium? One-time purchase? Ad-supported?
Willingness to Pay: Are your users willing to pay for your solution? How much? This often comes up in interviews after you’ve established the problem.
Customer Acquisition Cost (CAC) vs. Lifetime Value (LTV): Can you acquire customers for less than the revenue they’ll generate over their lifetime? This is the core of sustainable business.
My Anecdote: A developer friend had a brilliant app idea but no clear path to monetization. He launched it, got a lot of free users, but couldn’t convert them to paying customers. The app died. Had he tested a simple payment option with his MVP, he would have learned this valuable lesson much earlier. It’s like preparing a delicious feijoada but forgetting to buy the rice to go with it – a critical missing piece!
7. Landing pages and email lists
You don’t even need an MVP to gauge initial interest.
Create a Simple Landing Page: Describe your app idea and its core problem. Have a clear call to action: “Sign up for early access” or “Join the waiting list.”
Drive Traffic: Share the landing page on social media, relevant forums, or with your network.
Measure Interest: How many sign-ups do you get? This gives you a quantifiable measure of interest before you build anything.
My Take: A high conversion rate on a landing page signals strong interest. A low one tells you to go back to the drawing board for your idea, or your messaging. It’s a low-cost, low-effort way to test the waters.
The art of the informed launch
Validating your app idea before coding is an act of discipline, foresight, and smart risk management. It’s about being an empreendedor (entrepreneur) first and a coder second.
It might feel like you’re slowing down, but in reality, you’re building momentum on a solid foundation, significantly increasing your chances of building an app that people actually need, use, and love.
So, put on your detective hat, start talking, and let the market tell you if your brilliant idea is worth building.
Your future self (and your bank account!) will thank you for it.











