Assembley vs OpaVote

Assembley is web software for organisations running general assemblies and member votes. It covers invitations, attendance registration, agenda management, and vote recording for online, in-person, and hybrid meetings. Organisers can offer Yes, No, or Abstain voting, secret ballots, board elections, and split voting, while tracking live results and quorum. Voters receive single-use ballot links and can participate without an account, password, or app. Organisations can upload shareholder or member registers as CSV files; Assembley checks them for duplicates and errors. Its evidence package brings together the event chain, Merkle roots, attendance, and results for independent verification. Assembley says votes are write-once at the database level, with hash-chained event logs and Merkle roots supporting auditability. Its database and application run in Frankfurt, Germany, while transactional mail is sent from Ireland; two sub-processor agreements specify primary processing in the United States. It says it processes data under GDPR and provides a Data Processing Agreement on paid plans, but holds no third-party security certification. Starter is free forever; Basic costs €149/ yr.

OpaVote runs online elections and public polls, and can count ranked ballots gathered elsewhere. Election ballots use secret, single-use voter links, while supported methods include checkbox, ranked-choice, STV, Condorcet, Borda and approval voting. It also supports weighted voting based on factors such as shares or property surface. Managers can track email and ballot opens, submissions and delivery problems, then remind people who have not voted. Results can include charts, text, CSV and JSON, along with downloadable ballots and a recount link. Its API lets customers manage elections from their own servers and returns JSON. Interfaces and notifications support English, Spanish, French, Portuguese, Italian, Slovenian and Finnish; voters can use phones, tablets, laptops or desktops. The service supports up to one million voters per election. The free plan allows three simultaneous elections, each with up to 25 voters and 10 candidates. Pay as you go costs $10, paid once for every 125 voters or 20 candidates. Polls rely on low-security cookie controls to discourage repeat voting, so the service recommends an election where higher security is needed.