Calculator Pro vs PDFly - Reader & Viewer

PDFly - Reader & Viewer earns about $0 per month, while Calculator Pro earns about $0. That is a ∞× revenue gap. Annual revenue: Calculator Pro ≈ $3/year, PDFly - Reader & Viewer ≈ $0/year. Estimates are derived from public Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.

PDFly - Reader & Viewer leads with about 312K estimated downloads vs 44 for Calculator Pro - a 7080.8× gap. Calculator Pro reports 10+ installs on Google Play. PDFly - Reader & Viewer reports 100,000+ installs on Google Play.

Yes - both apps sit in the Tools category, which means they compete directly for the same paying users and category-level wallet share. Direct competitors, head-to-head.

Calculator Pro does not appear to offer in-app purchases on its public listing. PDFly - Reader & Viewer does not appear to offer in-app purchases. Monetization model: Calculator Pro runs "Paid app ($0.49)", PDFly - Reader & Viewer runs "No App Store revenue (monetizes off-store)".

PDFly - Reader & Viewer edges ahead with a higher overall score (gap of 4.8 stars). Rating volume: Calculator Pro 0 ratings, PDFly - Reader & Viewer 2 ratings. Higher rating volume = stronger ASO signal even when star averages are close.

Directional - typically within 2-3× of actual money earned for popular apps. The $0 for Calculator Pro and $0 for PDFly - Reader & Viewer are derived from Google Play grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Tools) - net of the 15-30% Apple/Google store cut. Real revenue depends on country mix, retention, refunds and ad fill rate, none of which Apple or Google publish.

Use the search box at the bottom of this page or paste any two Google Play links into the homepage tool. We auto-generate a permanent comparison URL with revenue, downloads, IAP tiers, subscription pricing and grossing rank for both apps.