Free tools for app developers

Small, honest tools for choosing and checking an app idea, from what the App Store and Google Play show. No sign-up.

• App Review AnalyzerWhat an app's unhappy users complain about, with real quotes.
• App Revenue CalculatorA monthly revenue range from ratings or installs, age and price.
• App Name CheckerIs the name taken on either store, and what is close to it.
• App Idea ScorecardEight questions, one score and your idea's weakest spots.
• Subscription LTV CalculatorWhat a subscriber and an install are worth, after the store's cut.
• App Update CheckerWhen an app last shipped, and whether its maker is still active.
• App Store Keyword SuggestionsWhat both stores suggest when people type your word.