📈Last 7 days+48 installs — 20% slower than the week before (+60) · 5/day since Oct 9
🏆Among Tools appstop 20% by installs gained this week (1246 peers growing)
🛠Updatesdormant · updated 380 days ago
Installs since launch
+108 installs
since Oct 9
Update history
1.0.0Oct 27, 2025 · seen Oct 20, 2026
Only the current version so far — new entries appear as the app ships updates.
Amazon Fee Calculator -AmzFees is a tools app by UpStal with 1,000+ downloads (about 1.4K estimated). +48 installs in the last 7 days. Released Oct 27, 2025. Install growth, rank history, SDKs and ad networks.
From the store listing: “Amazon FBA fee & profit calculator—fees, margin, ROI in one tap”