Validate your SaaS idea by reading 1-star reviews (Automated)

Never build a feature before validating it. Today, I am going to show you how to extract App Store reviews from any country to see exactly what users are begging for. Building things nobody wants is the ultimate developer trap. Geo-arbitrage is the cheat code.

The Strategy: Cloning US Success for Europe

The smartest solo-developers right now are not inventing new concepts. They find apps making massive revenue in the US, and they clone them for local markets (France, Spain, Germany) where the app has not been translated yet.

But how do you prove the demand exists before writing a single line of code?

You read the 1-star and 3-star reviews of the original app in your target country.

Automating Market Validation

I built the App Store Localization Scraper on Apify to automate this exact process.

Let's take Remente: Self Care & Wellbeing, a massive US self-care app. I want to know if French users want this.

Instead of scrolling manually, I load my Apify Actor:

1. Switch Operation Mode to Extract Reviews for Specific Apps.
2. Paste the App ID (961633456).
3. Set the Target Country to France (fr).
4. Add filter keywords: traduction, anglais.

The Result: Instant Market Proof

In thirty seconds, the scraper returns a clean JSON output with the exact localized reviews.

{
  "appId": "961633456",
  "appName": "Remente: Self Care & Wellbeing",
  "country": "fr",
  "matchingReviewCount": 2,
  "reviews": [
    {
      "title": "Bien mais manque une chose",
      "content": "Manque la traduction en français",
      "rating": 3,
      "author": "NeTy81",
      "matchedKeyword": "traduction"
    }
  ]
}

Look at that review: "Manque la traduction en français" (Missing French translation).

The market is literally screaming for a localized clone. You do not need to guess if a product will work when users are leaving reviews begging for it.

Run this scraper yourself to find your next idea. Get the App Store Localization Scraper here.

FAQ

Is it legal to scrape App Store reviews?
Yes, reviews are public data. Extracting public sentiment for market research is standard practice as long as you scrape responsibly.

Why Apify?
Apify handles all the proxy rotation and rate limits out of the box. You do not need to build the infrastructure, you just get the JSON.

Can I run this for Google Play?
This specific actor is built for the Apple App Store, as iOS users historically have higher LTV for health and productivity SaaS.