Yes, RTRO-CLC2 is completely free and it doesn't have any in-app purchases or subscriptions.
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RTRO-CLC2 is free.
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Does everything I need it do, and little else, I love the simplicity! I think the only thing I would change is perhaps having the ability to swap the + and = locations. I like this layout on a 10-key but on a phone the = being in the lower right is so ingrained in muscle memory...
