Tests microsd and/or internal memory for durability: how many writes can it survive before errors are detected? This is intended as an enterprise/development tool, with extra options and features; if you just want to test the SD card you just bought to make sure it's not fake, try our other cheaper app: "True SD capacity and speed test"

For a fee we offer additional support and even customized versions of this app - feel free to use the contact email below to discuss what you'd like.