Better than email
This app has made it so I never miss answering a question from my team. I am curious to see if others can figure it out.
Archived App (Last seen on 22 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
Details
About
This app offers an alternative to traditional email for making decisions and visualizing message priority. It allows senders to pre-define answers or receivers to add their own, with answers supporting various media types.
✓Decision making tool
✓Visual message priority
✓Pre-defined answers
✓Customizable answers
✓Smartfields for answers
✓Multimedia answers (photo, audio, sketch)
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What's New in CASBU
2.0.33
February 7, 2024
Bug fixes and performance improvements.
User reviews
Developer apps
FAQ
What is CASBU?
CASBU is a communication tool designed as an alternative to email, focusing on making decisions and visualizing message priority. It allows for structured communication with pre-defined or custom answers that can include various media types.
How does CASBU handle communication?
CASBU uses a query and answer format. Senders can pre-define potential answers, or receivers can add their own. Answers are enhanced with 'smartfields' that support text, photos, finger sketches, audio, and URLs.
Is CASBU free to use?
Yes, CASBU is available for free. There are no in-app purchases or advertisements mentioned in the app's data.
What devices is CASBU available on?
CASBU is currently supported on iPhones. Information regarding Android or other device compatibility is not provided.
How often is CASBU updated?
The latest version of CASBU, 2.0.33, was released on February 7, 2024. This indicates a relatively active update schedule.
What is the age rating for CASBU?
CASBU has an age rating of 4+, making it suitable for a wide range of users.
What do users think of CASBU?
CASBU has received a high rating of 4.8 stars from 5 ratings, suggesting a very positive user sentiment among its current user base.
Does CASBU have ads?
No, CASBU does not contain advertisements. The app is listed as free with no in-app purchases or ads.
