Pricing
BookNotion is an iOS application that is also available for free.
By upgrading your plan, you can save highlights from multiple books within a month, store an unlimited number of highlights from the Web and X, and synchronize with the same database from multiple devices (such as iPhone and iPad) simultaneously.
| Free Plan | Pro Plan | Premium Plan | |
| Price (in US) | free | $3.99/month or $39.99/year | $5.99/month or $59.99/year |
| Kindle: Number of books that can be registered each month | 1 book/month | Unlimited | Unlimited |
| Web: Number of highlights that can be registered each month | 5 times/month | 5 times/month | Unlimited |
| X (Twitter): Number of highlights that can be registered each month | 5 times/month | 5 times/month | Unlimited |
| Save to same database from multiple devices | ✔️ | ✔️ | |
| Change the frequency of email delivery and the number of highlights included | ✔️ | ✔️ |