4 stars: I just need more time usefully using this app thank you
5 stars: internal and external memory testing simple to configure and effective. I tested other apps with higher punctuation and were a lot less effective and for me confusing.
5 stars: simple to use, excellent app for testing SD cards
4 stars: Tests memory write and read speed, not memory verify in free version!
4 stars: fixed a USB stick and a micro SD card for me where windows failed :-)
5 stars: very well it tells me what my card is actually doing
5 stars: sd card test
3 stars: Where does it says the SD card class? Please.
5 stars: it's really works on my Samasung Galaxy Note 8
4 stars: very nice Application.
5 stars: it was exceptional!
5 stars: SD card is armed and ready
5 stars: SD Card Test
4 stars: App needs to show more info on results page just the card storage capacity and id or name. Other than that it works great. This app tries to check entire device for read/write test, but it can be adjusted. Good work guys keep it up.
5 stars: Well, I am not an authority on this but I am pleased with result I can understand in it computations. Thanks.
4 stars: works just need to figure out parameters and conyrols. Not bad at speed calculation.
5 stars: The best test I found. High quality app like all other apps of this developer that I use. Perfect as usual.
3 stars: Perfect for internal SD benchmarks but has a lot of bugs when testing external...