Send21 vs USB Recognized
Neck and neck on boosts. Profiles, pricing and deals below.
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.
USB Recognized
Online Hardware Testing Tools
community boosts
⚡ 0
pricing
Free
what it is
Test your keyboard, mouse, display, webcam, microphone and USB devices online. Free browser-based hardware testing tools — no download, no installation.