📈Last 7 days+7 installs — 50% slower than the week before (+14) · 1/day since Oct 7
🏆Among Tools appstop 45% by installs gained this week (1237 peers growing)
🛠Updatesquiet · updated 51 days ago
Installs since launch
+48 installs
since Oct 7
Update history
2.3.4Sep 23, 2026 · seen Oct 24, 2026
Signing an already-signed PDF now asks if you want to remove the old signature first, so your signature stays valid.<br>Password-protected PDFs are now detected and blocked from signing, with a clear message explaining why.
Only the current version so far — new entries appear as the app ships updates.
JPKI eSign signature on PDF is a tools app by 二進合同会社 with 1,000+ downloads (about 2.8K estimated). +7 installs in the last 7 days. Released Jul 25, 2020. Install growth, rank history, SDKs and ad networks.
From the store listing: “JPKI eSign, add digital siganature on PDF using My Number Card, without reader”
