Vident iAuto 700 and Foxwell NT644 Pro have some similar functions, but they also have some differences. Here is the comparison table of them, it will help you understand them better.
In Conclusion:
1. NT644 Pro has DPF, SAS and TPS/TBA functions, but iAuto700 hasn’t.
2. iAuto700 supports more car types and languages than NT644 Pro.
3. iAuto700 is much cheaper than NT644 Pro.