Helios Voting vs OpaVote
| Helios Voting | OpaVote | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | api, Web |
| Voter authentication | basic | basic |
| Ballot types | approval | ranked_choice |
| Anonymous ballots | Yes | Yes |
| Audit trail | Yes | Yes |
| Free plan | — | Yes |
| Voter limit | — | 125 voters |
| Result export | — | csv |
Both are listed in Best Online Voting Software. On Freedom251, OpaVote scores higher on our published basis.