Yes. knitCompanion is free to download and provides free access to kCBasics that you can use for all your patterns.
- kCBasics are free and provide basic features you can use for all your patterns.
- Essentials adds a variety of markup and editing tools in addition to the kCBasics.†
† Essentials are enabled with an in-app purchase. All in-app purchases are annual subscriptions. New subscriptions begin with a 7 day free trial to explore the features before purchasing.