Yes, Solar Activity Pro is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Solar Activity Pro is free.
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Chart
|
Category
|
Rank
|
---|---|---|
Top Grossing
|
|
53
|
Top Grossing
|
|
87
|
Top Grossing
|
|
95
|
Top Free
|
|
488
|