The best replacement for chin up bar is iron gym.

The best alternatives to chin up bar are rated as following:
★★★★★  iron gym
★★★  pull up bar
★★  iron gym extreme
★  iron gym xtreme
  iron gym chin up bar

Your alternative for chin up bar is not listed? Suggest!
Speaking about chin up bar, one probably shouldn't forget about p90x.

Other search terms related to chin up bar and their ratings are:
★★★★★ p90x
You have in mind a companion for chin up bar and it is not yet here? Propose!



Google Trends

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chin up bar
iron gym
pull up bar