Yes, Periodic Table 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.
Periodic Table is free.
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Chart
|
Category
|
Rank
|
---|---|---|
Top Paid
|
|
36
|
Top Paid
|
|
48
|
Top Paid
|
|
56
|
Top Paid
|
|
64
|
Top Paid
|
|
66
|