5 stars: I am a professional automotive mechanic. I wanted to check the hybrid battery in my newly acquired 08 Highlander Hybrid. I am thoroughly impressed with the accuracy of this app and I'll be getting my boss to purchase the professional unlimited use version for the shop. The only thing I would recommend would be to add circuit noise detection. Corrosion on the traction battery bus bars can cause false internal resistance readings.
5 stars: 5/19 Revising my review after contacting dev and getting refund for incorrect second charge, new rev improvements in usability and help video links. Must have when shopping for a used Prius and test battery health. Make sure you go through the tutorial video (now listed above and in app) as it's stressful to figure it out during a car purchase test drive and there is a lot to it.
4 stars: Tried the Pro version before a family member bought a Toyota aqua and was very impressed with the accuracy. One thing I would like is to be able to do the same with my mazda axela 2014 hybrid. It uses the same 28 blade pack/system as a standard prius, but the app cannot determine the SOC so I can't do a battery test (it can still measure the voltage of the modules though). Would love to be able to check how the battery is doing.
4 stars: Hey guys! I'm keen to use your app, but it kicks me out as soon as it got connected through wifi. My phone is Oppo reno 4 5g and scanner is Vgate I car pro. If you could have a look on that and fix, th...