Yes. The app is free, in all 174 countries it sells in, and it sells nothing inside it.

Does Know Abacus have a free trial?

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

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Know Abacus

Name: Know Abacus
Rating: 4.6 (509 reviews)
Author: Kittipong Mungnirun

Kittipong Mungnirun

Prices are current as of 20 Aug 2026.

Know Abacus has no in-app products on record in the United States.

4.6 out of 5, based on 509 reviews.

Is Know Abacus free?: Yes. The app is free, in all 174 countries it sells in, and it sells nothing inside it.
Does Know Abacus have a free trial?: No. None of its offers (US) come with a free trial.

Last updated 3 years ago.

Know Abacus sells in 174 countries. It was released 13 years and 4 months ago, on 10 May 2013. It holds a 4.6 rating from 509 reviews.

Supports 8 languages: English, Arabic, French, Portuguese, Russian, Spanish, Thai, Turkish.