If you're looking for another Booom alternative, Quizbot is worth a look. This AI-based tool streamlines quiz and test creation with a range of question types and the ability to draw questions from PDFs, videos, images and web pages. It can create multiple question types, so it's good for both educational assessments and other quiz-making situations. It's designed to help you save time and make quizzes more effective, which is handy if you're building a trivia game.
Another alternative is Opinion Stage. The service is geared for interactive visual quizzes, polls, surveys and forms. It's got hundreds of customizable templates and a conversational interface that asks one question at a time for better engagement. Opinion Stage can be integrated with tools like Mailchimp and Google Sheets, which makes it a good choice for marketers, content publishers and small businesses. It also offers a free plan with no time limit, which can be helpful if you're just starting out.