Yes. The app is free, in all 175 countries it sells in, and it sells nothing inside it.

Does SFX Calc have a free trial?

No. None of its offers (US) come with a free trial.

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SFX Calc

Name: SFX Calc
Rating: 4.6 (828 reviews)
Author: Wai Kwong Lee

Wai Kwong Lee

Prices are current as of 20 Aug 2026.

SFX Calc has no in-app products on record in the United States.

4.6 out of 5, based on 828 reviews.

Is SFX Calc free?: Yes. The app is free, in all 175 countries it sells in, and it sells nothing inside it.
Does SFX Calc have a free trial?: No. None of its offers (US) come with a free trial.

Last updated 8 months ago.

SFX Calc sells in 175 countries. It was released 5 years and 8 months ago, on 12 Jan 2021. It holds a 4.6 rating from 828 reviews.

Supports 1 language: English.