⚠ Disclaimer
NOT RECOMMENDED FOR APPS FROM META, UBER, WHATSAPP, ANY GOOGLE APP REQUIRING AN ACCOUNT, OR ANY BANKING APP. RISK OF ACCOUNT BAN WITH CHANGED SIGNATURE.
For these apps, use Install to Device via USB or download as ZIP (uncheck merge) to preserve original signatures.
Use your own judgement to decide if an app is serious enough about security to warrant not merging. We do not take responsibility for any account bans or restrictions resulting from the use of re-signed APKs.
Jnotes: AI Note-taking, PDF Editor & Digital Notebook
Trusted by students and professors at top US universities, Jnotes is the premier Android alternative to Goodnotes and Notability. It’s the ultimate note-taking app that blends a natural S Pen handwriting experience with an advanced AI Academic Second Brain to help you master your coursework.
📄 Pro-Grade PDF Editor & Annotator
Handle heavy document management with the most efficient PDF assistant on Android.
• Write on PDF: Annotate lecture slides, sign documents, and highlight research papers with zero-lag digital ink.
• AI PDF Summarizer: Upload a 500-page PDF and get a structured summary in under 2 minutes. Skip the fluff and master core concepts instantly.
• Ask AI: Stuck on a complex theory? Ask our AI questions directly based on