1. Matter
Elegantly designed and highly functional.
The free version gives an unlimited library, saves all types of content, best-in-class parsing and readability, unlimited tags, and other organizational features.
Matter Premium will cost $8/month or $60/year and will include features that go beyond the basics: HD text-to-speech, fluid highlighting and note-taking, integrations, full-text search, options to personalize Matter, and priority support.
2. Readwise's Reader
In beta, Packed with more features for power users (readers). Free for those who have Readwise's Premium. Perfect for those who want to remember what they read.
$4/month - People working in education get a 50% discount. → Get Readwise (get 1 month free)/50% off for educators
3. UpNext
Newcomer. Another elegantly designed app (similar to Matter). Bit costly in pricing, yet worth the price.
$9.99/month or $69.99/year
Others
Apart from this, Pocket and Instapaper are classic pioneers in this segment. So no need to mention them here. Both are freemium.