5 stars: This is the best app of it's kind I've found. Most issues with it come from the posters not correctly setting up the filters for their listings (Ex. Not flagging their pet friendly building as pet friendly), which is a bit annoying but no fault of the developers. Easy to set up and save filters, favourites, and create alerts. Helpful average pricing over time charts are a plus.
5 stars: Well designed app by all metrics, along with a very good list of results when a search is made. Consistently outperforms other similar apps or websites. I found 75% more housing listings than I would have because their search algorithm is amazing.
3 stars: So far the app seems alright it has a lot of listings in my area. How upto date and accurate the listings are I don't know yet.
2 stars: I dislike Zumper after a few months of use. For one thing they barrage you with emails that are completely irrelevant to the search's you do. I counted 15 of them one day. Next issue is that there's no way to actually look up Zumper ID's that you find on other sites. There's also this fun feature where it automatically sent a bunch of messages to
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