Best two reviews:
1) Variety - The formula may be familiar, but the personalities are completely fresh, yielding a menagerie of loveable — if downright ugly — cartoon critters banding together to help these two incompatible roommates from ending up on the streets. (Rating: 80) Read Full Review >
2) Screen International - The latest film from Chris Renaud (Despicable Me) and his team is a madcap caper full of densely-packed sight gags, dizzying action set pieces and a healthy side-helping of Renaud trademark silliness. (Rating: 70) Read Full Review >

Worst two reviews:
4) Time Out London - There are some funny-sweet observations about pets and our projections on to them. And the animation is expressive.... But the manic pace, piling on the action sequences, is exhausting. (Rating: 60) Read Full Review >
5) The Hollywood Reporter - Like the professional dogwalker who can’t exactly keep count of Max and his cohorts, it feels like the filmmakers are juggling too many chatty creatures at once, while trying to maintain a plot that tends to grow more outlandish as the story progresses. (Rating: 60) Read Full Review >