Thank you for spending some of your time reading this description.

PV Optimizer & Solar compass is a tool intended to maximize the output of your solar panels.
To use the optimiser you only need to choose between one of the 4 time frames available (if you pretend to adjust your panels for the moment, every 3 months, 6 months or yearly), place your device above your panels, and adjust its azimuth and tilt according with the values given by the app.
PV optimizer's algorithm will make sure you get the most from your panels and don't waste any opportunity to increase your output.

This app also comes with a solar compass which you might find useful for optimizing your panels or for other activities, with plenty of real time data regarding solar position and radiation.

In version 2.0 we are proud to present you a forecast for your solar panels output. Just input your panel capacity, tilt and azimuth angles, and you'll get a forecast for the monthly energy you might generate in theory.

All the functionalities of this app are completely free.

What’s New

Version 2.33

Minor fixes

Ratings and Reviews

4.6 out of 5
13 Ratings

13 Ratings

Davidct6 ,

Very good

This is a great quick PV calculator and even better, free.

Neil Paisnel ,

Good but...

Would be better if there was a 'reverse' option to allow the iPhone to be pressed up against the underside of the panel, so the display pointed down.
My panel is mounted so that without scaffolding I can't see the iPhone screen when it is sat on the front of the panel

Developer Response ,

Hello Neil,
Thanks for your suggestion, I'll have it in mind in a next update, although the cross will still align with the device upside down. Only the angles will show different values, they will show 180 minus your optimal angle

Frogmeister99 ,

Forecast agorithm incorrect?

Put in 1000W panel. Fixed, zero tilt (ie horizontal) and zero azimuth (North). Forecast output is 1771 kWh/yr (I’m in Spain).

Changing the azimuth to 180 (but still horizontal) yields a forecast of 1513.

Something’s wrong in the way it’s calculating? Makes me distrust it

Is this a bug Jaoe?


Joao Caetano
3.2 MB

Requires iOS 11.0 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating
Rated 4+
© João Caetano
In-App Purchases
  1. Remove ads £0.99


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

More By This Developer

You May Also Like