The best replacement for ipod touch 4 is iphone 3gs.

The best alternatives to ipod touch 4 are rated as following:
★★★★★  iphone 3gs
★★★  ipod touch 5
★★★  zune hd
★★  ipod touch 5 camera
★★  ipod nano 7
★  ipod touch 3
★  samsung galaxy player
★  wait for ipod touch 5
  archos 5

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Speaking about ipod touch 4, one probably shouldn't forget about ios 7.

Other search terms related to ipod touch 4 and their ratings are:
★★★★★ ios 7
★★★★ ios 6
You have in mind a companion for ipod touch 4 and it is not yet here? Propose!



Google Trends

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ipod touch 4
iphone 3gs
ipod touch 5