Bid4Build vs STACK
| Bid4Build | STACK | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | $200/mo | Free |
| Open source | No | No |
| Platforms | Android, iOS, Web | Android, iOS, Web, Windows |
| Free plan | Yes | Yes |
| Cost estimation | Yes | Yes |
Both are listed in Best Project Estimation Software. On Everything Xiaomi, STACK scores higher on our published basis.