Dropbox: 雲端硬碟 | PDF 檔案,照片,影片 vs Penbook: Paper Planner & Notes
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$22M–$92M
$23k–$96k
Downloads / mo
810k–3.3M
11k–48k
Rating
★ 4.81 (30k)
★ 4.55 (44k)
Pricing
Free + IAP
Free + IAP
Category
Productivity
Productivity
Released
16.7y ago
6.7y ago
Verdict: Dropbox: 雲端硬碟 | PDF 檔案,照片,影片 earns more — an estimated $22M–$92M/mo, versus $23k–$96k/mo for Penbook: Paper Planner & Notes.