A1 SD Bench

*** IMPORTANT - If your SD card is not detected, please send us your model and SD card location, before giving a rating. We can not test this app on all devices *** Use A1 SD Bench - free tool to benchmark your phone & tablet SD card, RAM and memory, to test IO read / write speed (Quick, Long, Random I/O and Accurate) and check media performance, and compare your benchmark results online. Features: ★ Free ★ Four benchmark modes - Quick, Longer, Accurate and Random I/O ★ Built-in compare results online (anonymous) ★ Built-in view statistics online ★ SD card speed test, or multiple SD cards ★ Speed test any Android storage including RAM and USB ★ Nice looking, clean, fast, responsive & intuitive UI (User Interface) ★ Measure both read and write speeds to find out how fast is your SD card ★ Quick and Accurate benchmark (to reduce caching effects) ★ Check your speed-test results with other devices ★ Speed categories: Class 2, Class 4, Class 6, Class 10, UHS-I, UHS-II and UHS-III ★ Custom location option to test any device directory ★ Shows total and free memory for all media including RAM Supported devices: • Internal memory • Internal SD cards • External SD cards • System RAM (Random access memory) • USB flash drive (including, NAND flash, USB 1.0, USB 2.0, USB 3.0) • Up to 6 USB flash drives (connected simultaneously via USB hub) • USB HDD (Hard drives) Supported memory cards: • SD Cards • Micro SD • Micro SDHC • Micro SDXC • Phone's built-in memory (card) Notes: • Problem? Please, send us your feedback using Send Feedback feature from the Settings screen, or http://a1dev.com/feedback/ • We can not test all Android devices, so if your device's memory / SD card / USB is not detected correctly, use Send Feedback feature from the Settings screen, specifying path to your storage, e.g. /mnt/sdcard/, /mnt/usb_drive; • NTFS and other non-native file systems is supported as far as your Android device is compatible with a such FS. • Your device needs enough free (100 MB and up, depending on media speed, and up to few GB if using longer test option) space for benchmarks to work; • More: http://a1dev.com/sd-bench/notes/ More info on permissions: • "Storage" & "Media" is used to benchmark your device storage, SD cards and USB attached drives. • "Internet" is used to access and submit online scores and for anonymous usage statistics (both can be enabled and disabled).