Apps like Black Notepad- Notes with lock
15 alternatives to Black Notepad- Notes with lock in Productivity, ranked by our opportunity score from live revenue and download estimates — updated continuously, not a static list.
- Google OneProductivity · $130M–$450M/mo
- ChatGPTProductivity · $59M–$200M/mo
- Claude by AnthropicProductivity · $17M–$56M/mo
- Grok AIProductivity · $10M–$35M/mo
- Microsoft OneDriveProductivity · $10M–$34M/mo
- Google DriveProductivity · $7.4M–$40M/mo
- Microsoft OutlookProductivity · $3.2M–$18M/mo
- Hi Translate - Chat translatorProductivity · $1.7M–$9.2M/mo
- Meta AIProductivity · $1.7M–$9.1M/mo
- Adobe Acrobat Reader: Edit PDFProductivity · $1.0M–$5.5M/mo
- WPS Office-PDF, Word, SheetProductivity · $960k–$5.1M/mo
- Microsoft Excel: SpreadsheetsProductivity · $790k–$5.0M/mo
- Microsoft 365 CopilotProductivity · $790k–$5.0M/mo
- Manus AIProductivity · $790k–$5.0M/mo
- Perplexity - Ask AnythingProductivity · $790k–$5.0M/mo
