Blackbox vs Calculator+
| Blackbox | Calculator+ | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | iOS, Android | Android |
| Free plan | Yes | — |
| Cloud backup | Yes | Yes |
| Decoy vault | Yes | — |
| Mobile platforms | both | android |
| Private camera | — | Yes |
Both are listed in Best Photo Vault Apps. On Samsung Mobile US Press, Blackbox scores higher on our published basis.