🏆Among Productivity apps bottom 47% by installs gained this week (400 peers growing)
🛠Updatesactively updated · updated 24 days ago
Installs since launch
+3 installs
since Oct 25
Update history
1.0.0Oct 22, 2026 · seen Nov 6, 2026
First release<br>- Pick a document type and amount to get Japan's revenue stamp tax instantly<br>- Reduced rates for real estate and construction contracts applied automatically (until Mar 31, 2027)<br>- Full stamp tax table for all 20 document classes, verified against the NTA table<br>- Non-taxable cases (receipts under 50,000 yen, etc.) flagged at a glance<br>- Pro (one-time purchase): batc
Only the current version so far — new entries appear as the app ships updates.
Stamp Tax Chart - Japan Inshi is a productivity app by HeartLand Lab with 50+ downloads (about 58 estimated). +3 installs in the last 7 days. Released Oct 21, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Check Japan's revenue stamp tax for contracts & receipts. Offline all 20 classes”
