What are the best apps for building communities?

Asked "What are the best apps for building communities?", ChatGPT, Copilot, Gemini, Google AI Mode and Perplexity named 15 distinct tools across 5 answers on September 9, 2026, and 9 of them in two or more answers, and all 5 engines agreed on Circle, the only tool every engine named.

Measured acrossChatGPTCopilotGeminiGoogle AI ModePerplexity

9 of 15 names confirmed · named in 2 or more of 5 answers · asked September 9, 2026 · 5 engines

The best apps for building communities include Circle, Mighty Networks, Discord, and Slack, each excelling in areas like customization, structured spaces, or casual engagement. When choosing an app, consider factors such as monetization, content vs. chat, and scalability. Circle and Mighty Networks are strong options for creators and paid communities, while Discord is ideal for free, highly active communities, and Slack is better suited for professional or team-based communities.

1Circlenamed in 5 of 5 answers
2Mighty Networksnamed in 5 of 5 answers
3Discordnamed in 5 of 5 answers
4Slacknamed in 4 of 5 answers
5Skoolnamed in 3 of 5 answers
6Heartbeatnamed in 3 of 5 answers
7Kajabinamed in 2 of 5 answers
8Hivebritenamed in 2 of 5 answers
9Bettermodenamed in 2 of 5 answers
10GroupAppnamed in 1 of 5 answersone answer
11Genevanamed in 1 of 5 answersone answer
12Kajabi Communitiesnamed in 1 of 5 answersone answer
13Redditnamed in 1 of 5 answersone answer
14Swarmnamed in 1 of 5 answersone answer
15LoftOSnamed in 1 of 5 answersone answer

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The full measurement

The position each of the 5 engines gave all 15 names.
How many of the 5 answers named each of them.
38 sampled observations behind this ranking, and where the engines disagree.
Fan-out — the query each engine actually searched.
Every citation, and the sources nobody cited.

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