📈Last 7 days+316 installs — 11% slower than the week before (+356) · 36/day since Oct 7
🏆Among Tools appstop 9% by installs gained this week (1137 peers growing)
🛠Updatesactively updated · updated 12 days ago · every ~13 days (3 updates tracked)
Installs since launch
+1,018 installs
since Oct 7
Update history
1.5.14Oct 30, 2026 · seen Nov 5, 2026
• New: if you enter your inverter's power, the yearly estimate shows what it really lets through, calculated hour by hour from 19 years of PVGIS data.<br>• The financial simulator and the PDF report are now based on this delivered production.<br>• The financial simulator now uses your reference installation instead of the phone's location.<br>• Various fixes.
1.5.13Oct 21, 2026 · seen Oct 26, 2026
• More accurate forecast: it now combines two weather models, and a badge tells you when the weather for the coming days is uncertain.<br>• Shadow Hunter: the diagram shows the whole 360° horizon, terrain included.<br>• New: save or share your horizon profile to use it in PVGIS.<br>• Tools: the old round compass is gone, the orientation reading is enough.<br>• Shadow Hunter error messages are now
1.5.10Oct 3, 2026 · seen Oct 15, 2026
• Adjustment mode shows the panel orientation according to your choice of North or Equator.<br>• Label fixes.
Opti Solar: Panel Angle is a tools app by iFredZ with 5,000+ downloads (about 6.5K estimated). +316 installs in the last 7 days. Released Aug 28, 2025. Install growth, rank history, SDKs and ad networks.
From the store listing: “What angle should your solar panels be at today? Measure it yourself.”