They have the same functions. Support all 315/433MHz sensors activation, programming, relearning and Diagnostics.
TSGUN: must be combined with Launch X431 scanners to perform TPMS function. The device itself is not working.
i-TPMS: It will combine with Launch X431 scanners. It also works standalone via i-TPMS app.
Scan QR code here to download i-TPMS App for Android ONLY
Replace the tire pressure sensor