| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| book apps for kids free online | 0.38 | 0.5 | 1109 | 98 |
| book apps for free online | 1.68 | 0.7 | 3259 | 72 |
| books for kids app | 0.75 | 0.8 | 4790 | 74 |
| free online coloring book app for adults | 1.62 | 0.1 | 2187 | 36 |
| online free book reading apps | 0.23 | 0.1 | 8014 | 83 |
| free online book apps for iphone | 1.95 | 0.8 | 1121 | 29 |
