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

Does Mass511 have a free trial?

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

Travel

Mass511

Name: Mass511
Rating: 3.5 (59 reviews)
Author: Castle Rock Associates, Inc.

Castle Rock Associates, Inc.

Prices are current as of 1 Sept 2026.

Mass511 has no in-app products on record in the United States.

3.5 out of 5, based on 59 reviews.

Is Mass511 free?: Yes. The app is free, in all 175 countries it sells in, and it sells nothing inside it.
Does Mass511 have a free trial?: No. None of its offers (US) come with a free trial.

Last updated 5 months ago.

Mass511 sells in 175 countries. It was released 4 years and 1 month ago, on 30 Aug 2022. It holds a 3.5 rating from 59 reviews.

Supports 1 language: English.