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