Description
Catch fake or flaky MicroSD cards before you lose valuable data
This "short" endurance test confirms if your SD card is valid and reliable OR if it's a counterfeit that has way less storage space than advertised. It fills your card with carefully designed files that the app can then verify to ensure that what's written to your flash card can be read back reliability. It also measures read & write speed at the same time, because, why not?
It's not the most pretty app because the focus has been instead on real-world testing and good algorithms. It is, however, easy enough to use. The only way to know your card is good is to fill it to the advertised capacity. Typically this takes less than an hour but can be longer if the card is particularly slow or enormous. Piece of mind is worth the wait and there are no shortcuts to it!
You can also test your phone's internal storage. With USB-OTG you probably can test thumb drives too, depending on how your phone works.
Note: English only. The default settings are reasonable, however, so you may just proceed to "start test".
Category Ranking
Review Breakdown
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Reviews
I love it
Lathitha KwetiTue, May 14, 2024
English
Fast👍
James CarpenterFri, May 10, 2024
English
Simple and easy to use. Works perfectly as expected.
Lucas CalleroWed, May 8, 2024
English
good
Arshad 206Tue, May 7, 2024
English
Good app.
Martin SmethurstSun, May 5, 2024
English
I'm surprised no one has left a review yet. Simple, fuss free. Slider for test files is a nice touch. Thanks Alan! Tested on aging Redmi Note 9 Pro. Attained R/W of 45/83 MB/s on UHS 3.
cx3907 C.Thu, May 2, 2024
English
What i was after. Testing new card in phone. Do not have a laptop.
l lSun, Apr 28, 2024
English
Download & Revenue
About
Bundle Id
alan.sdcardsize.freeMin Os. Version
4.4Release Date
Mon, May 22, 2023Update Date
Mon, Sep 4, 2023Content Rating
EveryoneWhat's New
version
1693793877000updated
8 months agoNow with android 14 support.
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