| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| online books app for free | 1.8 | 0.6 | 191 | 50 |
| online book reading app for free | 0.87 | 0.2 | 4993 | 74 |
| read books online free app | 0.19 | 0.6 | 281 | 15 |
| bbc free audio books app online | 0.61 | 0.7 | 3034 | 31 |
| free online coloring book app for adults | 0.4 | 0.2 | 692 | 67 |
| best app to read books online for free | 1.42 | 0.1 | 9728 | 17 |
| libby app free online books | 0.11 | 1 | 2008 | 24 |
