Plain vs Send21
Neck and neck on boosts. Profiles, pricing and deals below.
Plain
Support built for B2B and developer tools
community boosts
⚡ 0
pricing
Paid
what it is
Plain is a lean, API-first support platform designed for technical products: shared inbox, Slack-native workflows and customer context pulled from your own systems. Support tooling that feels like an engineering tool.
Send21
Try a crypto pay link on testnet, no account
community boosts
⚡ 0
pricing
Freemium
what it is
Make a real test payment from your own wallet on Bitcoin, Solana, Ethereum, Base, Arbitrum and Polygon test networks. No account, no email.