NumBuster vs PhoneBlock
| NumBuster | PhoneBlock | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web, iOS, Android | Web, Android, iOS |
| Free plan | Yes | Yes |
| Caller ID | Yes | Yes |
| Community reports | Yes | Yes |
| Supported platforms | both | both |
| Call screening | — | Yes |
Both are listed in Best Spam Call Blocking Apps. On The Geeks Club, NumBuster scores higher on our published basis.