Reddit is totally pulling a Twitter.

I'd say a Reddit client is at least technically possible, unlike Twitter, but pricing would have to be around $10/month which really reduces the # of users that would be willing to pay to where it may just not be financially viable.
https://old.reddit.com/r/apolloapp/comments/13ws4w3/had_a_call_with_reddit_to_discuss_pricing_bad/

📣 Had a call with Reddit to discuss pricing. Bad news for third-party apps, their announced pricing is close to Twitter's pricing, and Apollo would have to pay Reddit $20 million per year to keep running as-is.

Hey all, I'll cut to the chase: 50 million requests costs $12,000, a figure far more than I ever could have imagined. Apollo made 7 billion...

reddit
@paul reddit does this to Apollo and i'm out. I dont use that service enough to really care for the 1st party app. Poor Christian.