📈Last 7 days+21 installs — 74% slower than the week before (+80) · 4/day since Oct 9
🏆Among Tools appstop 29% by installs gained this week (1354 peers growing)
🛠Updatesquiet · updated 94 days ago
Installs since launch
+117 installs
since Oct 9
Update history
1.0.12Aug 10, 2026 · seen Oct 17, 2026
・いくつかの機能を改修しました。
Only the current version so far — new entries appear as the app ships updates.
Speed Letter Plus® 通知物電子送付サービス is a tools app by TOPPAN Inc. with 1,000+ downloads (about 1.5K estimated). +21 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “You can view and manage electronic notifications from "Speed Letter Plus®" anytime, anywhere. Don't miss any important information.”
