CharterVote vs OpaVote
| CharterVote | OpaVote | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $40.75/mo | Free |
| Open source | No | No |
| Platforms | Web | api, Web |
| Free plan | Yes | Yes |
| Voter authentication | basic | basic |
| Ballot types | single_choice | ranked_choice |
| Anonymous ballots | Yes | Yes |
| Audit trail | Yes | Yes |
| Voter limit | 250 voters | 125 voters |
| Election limit | 1 elections | — |
| Result export | csv |
Both are listed in Best Online Voting Software. On Samsung Mobile US Press, OpaVote scores higher on our published basis.