- In-car connector bridging internet and built-in systems (CAN-BUS)
- Provides basic trip and mechanical information to phone; some models provide 3G connectivity to function even when smartphone not present
- Provides ability for in-car measurements to feed into its own app or third-party applications in its marketplace
Examples:
- unMooch (share costs for rides with friends)
- Expensify (automatically log reimbursable miles driven for work)