A fact-by-fact comparison of Courier and Knock — sourced and dated — plus the part no generic comparison shows: which one AI assistants actually recommend more, engine by engine.
Measured by Orbator · methodology owner Henrik Telle · window ends Sep 6, 2026
What AI recommends — by engine
Recommendation share = the % of sampled AI answers, over a 4-week rolling window, that recommend each product. Higher is better.
Starter: $250 a monthSource · Verified Sep 5, 2026
Courier vs Knock — FAQ
Does AI recommend Courier or Knock more?
Across the AI engines the Index measures, Courier and Knock are recommended about equally — roughly 0.1% of sampled answers each over the last 4 weeks.
How much do Courier and Knock cost?
Courier: Developer: Free. Knock: Starter: $250 a month (free tier available). Pricing is sourced from each vendor's own page and re-verified periodically.
Which AI engines were used to compare Courier and Knock?
Recommendation share is measured on CLAUDE, GEMINI, GROK, CHATGPT, PERPLEXITY using neutral, buyer-shaped prompts (no product names), aggregated over a 4-week rolling window. See the methodology for prompt design and sample sizes.
Own one of these products? Claim your profile to keep its facts accurate.
Recommendation share and entity resolution follow the Index methodology. Facts are sourced from each vendor's own pages and re-verified periodically. Customer status does not affect measurement. Free to use with attribution to orbator.io.