Side by side, from each tool's own website. A tool's rating shows once it has 3 reviews.
From each tool's own website, checked on the dates below, and from published reviews.
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Nobody has reviewed Insomnia yet. Its rating shows once it has 3 reviews.
Review Insomnia
Nobody has reviewed Thunder Client yet. Its rating shows once it has 3 reviews.
Review Thunder ClientFrom the platforms and integrations each website lists.
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Insomnia and Thunder Client yet.
Your review makes this comparison better for the next person. Review Insomnia or review Thunder Client.
Insomnia: Facts from insomnia.rest, checked November 13, 2026. Sources: insomnia.rest, insomnia.rest/pricing, insomnia.rest/features/ai-native.
Thunder Client: Facts from thunderclient.com, checked November 14, 2026. Sources: thunderclient.com, thunderclient.com/pricing.
Prices change, so confirm on their sites.