The App Idea Checklist: 12 Questions Before You Build
Before writing a single line of code, answer these 12 questions to know if your app idea is worth pursuing — or a trap that will waste months of your life.
Before writing a single line of code, answer these 12 questions honestly. If you can't answer them, you're not ready to build — you're ready to research.
Are people actively searching for a solution to this problem?
Green light
Yes — search volume is measurable and trending up. Reddit threads, Facebook groups, or App Store reviews prove the frustration exists.
Red flag
The only people who understand the problem are you and your developer friends.
Does at least one competitor have 10,000+ downloads or paying customers?
Green light
Yes — this confirms the market exists and someone is already paying for a solution.
Red flag
No competitors at all. This usually means no market, not a blue ocean.
Have you read at least 20 one-star reviews of your top competitor?
Green light
Yes — you've identified 3+ recurring complaints that represent your differentiation opportunity.
Red flag
You haven't, or the complaints are all nitpicks that don't represent a real gap.
Can you name your unique differentiator in one sentence?
Green light
"We're [X] for [audience] that does [differentiator] unlike [competitor] by [mechanism]."
Red flag
Your differentiator is "cleaner UI" or "better UX" — features, not a moat.
Are users in this category already paying for competing apps?
Green light
Yes — at least one competitor charges ≥ $4.99/month or has a meaningful paid tier.
Red flag
The whole category is free with no subscription precedent. Charging is unproven.
Have you validated a pricing model (subscription, IAP, or one-time)?
Green light
Subscription is the validated default for apps with ongoing value. Cross-checked with competitor pricing.
Red flag
Planning to monetize with ads with no fallback. Ad revenue per user is typically $0.01–0.05/month.
Can you ship an MVP in 4–8 weeks that tests the core hypothesis?
Green light
Yes — the MVP is one screen or one key flow, not a full-featured app.
Red flag
"We need 6 months for the MVP" — a 6-month MVP is a funded product, not a validation tool.
Are there any App Store guideline or platform risks?
Green light
App falls clearly within guidelines. No dependency on APIs that Apple/Google restrict.
Red flag
The app requires access to contacts, health data, or financial info — extra review scrutiny.
Does the platform (iOS/Android/Web) match where your users actually are?
Green light
Consumer habit app → iOS first. Android market share in your target geography supports the platform.
Red flag
Building iOS because you have a Mac, not because your target audience uses iPhones.
Do you have a realistic user acquisition channel that's already working for similar apps?
Green light
ASO, community, content, or word-of-mouth has worked in this category. You have a distribution plan.
Red flag
"We'll grow organic." Organic App Store discovery is near zero without an existing audience.
Is there a reason users will open the app more than once a week?
Green light
Core loop creates daily/weekly habit (tracking, streaks, social, scheduling).
Red flag
The app solves a one-time problem with no reason to return — one-shot utility apps have terrible retention.
Is there a macro trend, technology shift, or regulatory change creating a tailwind?
Green light
An AI advancement, platform API, or market shift makes this uniquely possible now.
Red flag
This could have been built 5 years ago and wasn't — ask yourself why.
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