6 tools
If Perplexity does not suit you on price, device or workflow, these tools do something similar. The closest come first, then other options in the Research category.
What usually makes people switch: does not replace a long-form writing assistant and pro becomes necessary for heavy research. Perplexity is freemium: free with limited searches. Pro: US$17/month billed annually; Max: US$167/month billed annually (the official page shows no monthly price).
Compared with Perplexity: Higher DOA score (93 vs 85).
Where it runs: Browser · Windows · Mac · Android · iPhone / iPad
Compared with Perplexity: Very similar on price and level: mainly a different way of working.
Where it runs: Browser · Android · iPhone / iPad · Windows
Compared with Perplexity: More generous free plan.
Where it runs: Browser · Android · iPhone / iPad
Compared with Perplexity: Very similar on price and level: mainly a different way of working.
Where it runs: Browser · Windows · Mac · Android · iPhone / iPad
Compared with Perplexity: More generous free plan.
Where it runs: Browser · Android · iPhone / iPad
Compared with Perplexity: Cheaper (free vs freemium).
Where it runs: Browser · Windows · Mac · Android · iPhone / iPad
DOA