Watt: Solar Calculator icon

Watt: Solar Calculator

AbdulRasol Al-Hilo (AR)
⬇ 1,000+ downloads
Est. actual: 1,192
Released: Apr 29, 2026
No in-app purchases
No ads

Signals

3 this week · 3 positive All of this week's signals →
  • 📈Last 7 days +166 installs — 38% faster than the week before (+120) · 14/day since Oct 6
  • 🏆Among Tools apps top 13% by installs gained this week (895 peers growing)
  • 🛠Updates actively updated · updated 3 days ago · every ~14 days (4 updates tracked)
Installs since launch
0 596 1.2K 1.2K Apr 29, 2026 today
+460 installs since Oct 6
Update history
1.6.0 Nov 7, 2026
Version 1.6 introduces a better experience for homeowners, companies, and technicians. Homeowners can size a solar system through a simple three-question journey with cost estimates and night-time backup sizing. Users can also check an existing system to see what is sufficient, what is missing, and how long the batteries will run. The release adds quick system setup, saved-system checks, easier qu
1.5.0 Oct 23, 2026 · seen Oct 29, 2026
What&#39;s new in 1.5:<br>• More accurate sizing: your system is designed from your real location (PVGIS sun data, with a NASA backup), with the best tilt and direction calculated automatically.<br>• Outage analysis: see how long your system lasts on sun and battery, with a clearer battery chart.<br>• Costs and prices for your own country and currency.<br>• Notification settings you control.<br>•
1.4.1 Oct 16, 2026 · seen Oct 18, 2026
Update (1.4): • Products Catalog &amp; Pro Profiles: Showcase products, set specific technical specialties, and make Advanced Structure Design pro-exclusive. • Account Management: Added permanent in-app account deletion for Apple &amp; Google; removed Facebook login entirely. • Calculator &amp; Simulation: Upgraded Fast Calculator and added realistic multi-day system performance simulation. • Accu
1.3.1 Sep 28, 2026 · seen Oct 6, 2026
Update (1.3.1) brings powerful features for professionals: • Products Catalog: Companies &amp; techs can now showcase products under approved brands. • New Categories: Added &quot;Mounting Structures&quot; &amp; &quot;Accessories&quot;. • Detailed Profiles: Set specific technical specialties (Electrician, Installer, etc). • Pro Tools: Structure Design tool is now exclusive to professional accounts

Watt: Solar Calculator is a tools app by AbdulRasol Al-Hilo (AR) with 1,000+ downloads (about 1.2K estimated). +166 installs in the last 7 days. Released Apr 29, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “Ultimate solar energy app: Solar calculator, inverter, battery &amp; wire size tools”