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How to Find Great App Ideas (Without Copying Someone Else's)

Great app ideas don't come from brainstorm sessions or "trending niches" lists. They come from watching people struggle with something, then building the thi...

作者 Review2Idea特邀作者林远·

What is a great app idea?

A great app idea is a specific solution to a problem a specific group of people already spends time, money, or emotional energy trying to solve.

Notice what's missing from that definition: novelty. Nobody cares if your idea is "new." Uber wasn't new (dispatch software existed). Instagram wasn't new (Hipstamatic and Path came first). What matters is whether the problem is real and whether your version of the solution is meaningfully better for a group of people who will actually download and pay.

This matters because most first-time founders spend months protecting a "unique" idea that nobody wanted in the first place. I've watched three friends do this. All three shipped, none got past 500 users, and each one told me afterward: "I should have talked to more people first."

How to find great app ideas

  1. Pick a group of people you already understand. Nurses, hobby drone pilots, small landlords, whatever. You need to know how they talk, what pisses them off, and where they hang out online.
  2. Lurk where they complain. Reddit, Facebook groups, niche Discords, App Store reviews of existing apps. Complaints are the raw material. Take notes for two weeks minimum before you write a single line of code.
  3. Look for the same complaint three times. One person hating something is noise. Three unrelated people hating the same thing is a signal.
  4. Check what they're already paying for. If people pay for a bad spreadsheet workaround, they'll pay for a good app. If they only complain but never spend money, be careful.
  5. Sketch the smallest possible version. Not an MVP with 12 features. Literally one screen that does one thing.
  6. Talk to 10 people before you build. Show them the sketch. If they don't immediately say "when can I have this," go back to step 2.
  7. Build the ugly version. Ship it in weeks, not months. See if anyone comes back next Tuesday.

Steps 2 through 4 are where 90% of the value is. Skipping to step 5 is why most apps die.

The state of the app market (some numbers to keep you honest)

Before you fall in love with your idea, look at the reality:

  • There were around 1.68 million apps on the Apple App Store and 2.3 million on Google Play as of Q1 2024, according to Statista.
  • Consumer spending on mobile apps reached $171 billion globally in 2023, per data.ai's State of Mobile 2024 report.
  • The average app loses 77% of its daily active users within 3 days of install, based on Localytics benchmark data.

Read those together. Massive market. Massive competition. Brutal retention. If you don't have a specific reason people will come back on day 4, you don't have an app idea, you have an app hobby.

Where great app ideas actually come from

Let me compare the common sources people try, ranked by how often they lead to something that works:

Source of ideaEffort to validateRealistic odds it leads somewhere
Your own daily frustrationLow (you already know the pain)Medium-high, if others share the pain
Watching a niche community onlineMediumHigh
"AI + [random industry]" hot-take listsLowVery low
Copying an app from another countryMediumMedium
A friend's business problemLowMedium
Reading trend reportsHighLow

That last row will piss some people off. Trend reports are fine reading, but they're written after the trend is obvious. By then the wedge is closed.

The best ideas I've seen shipped in the last two years came from row one and row two. A friend of mine built a scheduling app for dog groomers because his partner runs a grooming van and kept losing bookings to a text-message chaos. That's it. That was the origin story. It's now doing enough revenue to replace his day job.

What "great" means in practice

An app idea is great when it passes four quiet tests:

Someone will pay or watch ads for it. Not "wow cool." Actual wallet motion.

You can build a first version in under 90 days. If it needs a team of ten to exist, it's not a great first idea, it's a great Series A idea. Different sport.

There's a reason to come back. Streaks, new content, social pressure, saved state, unfinished tasks. Something. Andrew Chen's writing on retention is worth a read here.

You can reach the users cheaply. If your target audience is "everyone who owns a phone," your customer acquisition cost will eat you alive. If it's "members of three specific subreddits," you can post there for free.

Categories that still have room in 2025

I don't love giving people idea prompts because it encourages exactly the behavior I warned against. But here are areas where I keep seeing gaps:

  • Vertical tools for niche professions. Real estate photographers, wedding officiants, private tutors. Most still run their business in Notes and Venmo.
  • Health tracking for specific conditions. Not another generic wellness app. Migraine trigger logs, POTS symptom trackers, medication timing for shift workers.
  • Local coordination. Neighborhood tool-lending, carpool for one specific school, dog-walk buddy matching within 4 blocks.
  • AI wrappers with a real workflow. The ChatGPT app itself is fine. What's missing is AI baked into the 15-step workflow of, say, a paralegal or a middle-school teacher. Y Combinator's request-for-startups page covers this angle well.

None of these are secrets. That's the point. Execution beats secrecy every time.

Key takeaways

  • Great app ideas come from watching real people struggle, not from ideation exercises
  • The problem needs to appear three or more times from unrelated sources before you build
  • Retention starts at the idea stage: know why someone opens the app on day 4
  • Narrow audiences beat broad ones for a first app, since acquisition is where budgets die
  • Ship an ugly version in 90 days or the idea rots

Pick one community you care about, spend the next two weeks reading their complaints, and write down every problem that shows up more than twice. That's your idea list. Do that before you touch Figma.

Frequently Asked Questions

Q: How do I know if my app idea is any good?

A: Show a rough sketch to 10 people in your target audience. If at least 3 ask when they can use it, keep going. If they nod politely, drop it. Enthusiasm is the signal, not agreement.

Q: Should I worry about someone stealing my idea?

A: No. Ideas are cheap and most people are too busy to steal them. Execution, distribution, and staying alive for 18 months are the hard parts. Talking about your idea openly usually helps more than it hurts.

Q: What's the cheapest way to test an app idea before building?

A: A landing page with a clear description, a signup form, and $50 of targeted ads. If nobody signs up when they see the pitch, they won't download the finished app either.

Q: Are AI-powered apps still worth building in 2025?

A: Yes, but not as standalone chatbots. The gap is AI embedded in specific workflows for specific jobs, where the model handles a step someone hates doing. Generic AI assistants are a saturated fight against OpenAI and Google.

Q: Do I need to code to test an app idea?

A: Not for validation. Use Figma for the mockup, a Typeform for signups, and manual back-end (yourself, on a laptop) to fulfill the first 20 users. Code comes after you've proven people want it.

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