Carista OBD2v9.9.0

Released July 20, 2026Major

iOS

The major update introducing CarPlay support and external display monitoring resulted in a neutral early impact, driven by an extremely limited sample size of two reviews. While the post-update rating average declined by 0.55 stars to a 1.0 rating on iOS, this signal remains highly uncertain. Early complaints highlight broken OBD Link MX+ scanner compatibility for tire pressure resets, requiring immediate technical verification.

What changed

New featureAdded CarPlay support to view live car data on vehicle infotainment screens.
PlatformEnabled monitoring of key OBD2 data like oil temperature, coolant temperature, and battery voltage on external displays.
UXGeneral app improvements.

Reception

46/ 100 impact scoreNeutral

What didn't

Platform
backfired
Early post-update reviews on iOS indicate the update broke OBD Link MX+ scanner compatibility for tire pressure resets.
New feature
no evidence
No post-release user feedback is available to evaluate the newly introduced CarPlay integration.
UX
no evidence
No early reviews address the general application improvements.

Marlvel takeaways

Investigate the reported OBD Link MX+ scanner connection failure on iOS to resolve the blocked tire pressure reset functionality.
Monitor CarPlay adoption and performance metrics to gather the first user feedback on the newly introduced vehicle screen integration.
Address user reports alleging that purchasing required hardware fails to unlock advertised vehicle features to prevent further negative ratings.

Original release notes

Check out our latest release (v9.9) with new improvements.

CarPlay: See live car data on your infotainment screen!
Monitor key OBD2 data like oil temperature, coolant temperature, and battery voltage directly on your display — clear, safe, and easy to check at a glance.