# What is the difference between ir and iirb?

**URL:** <https://www.ruby-forum.com/t/what-is-the-difference-between-ir-and-iirb/176980>\
**Category:** IronRuby\
**Created:** [October 9, 2009, 10:52am UTC](https://www.ruby-forum.com/t/what-is-the-difference-between-ir-and-iirb/176980 "2009-10-09T10:52:56Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![shayfriedman](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/bbe5ce/32.png) [@shayfriedman](https://www.ruby-forum.com/u/shayfriedman)\
**Post date:** [October 9, 2009, 10:52am UTC](https://www.ruby-forum.com/t/what-is-the-difference-between-ir-and-iirb/176980/1 "2009-10-09T10:52:56Z")

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When no arguments are passed, they both start a REPL console only that  
iirb  
shows the time of each operation. Are there more differences?

Thanks,  
Shay.