SD Card Test is popular, with 2 million installs. Users are divided: 3.9 stars from 7,476 ratings.
SD Card Test is made and published by
Zoltán Pallagi.
AppBrain is an independent app data site and isn't affiliated with Zoltán Pallagi.
The app name, icon, screenshots and description belong to Zoltán Pallagi and are shown as
published on Google Play.
About SD Card Test
“SD speed test tool! Detect fake SD Card! Don't lose your footage to a bad card!”
Pros & Cons
Specializes in SD and storage speed testing for quick, actionable results
Supports testing on both internal and external storage
Shows storage type, class, and file system support for informed comparisons
Free to use and feature-rich for a dedicated storage benchmarking tool
Lacks broader device optimization features some competitors advertise (e.g., extensive file management or transfer tools)
Performance results depend on the device hardware and card quality, which can vary widely across models
No explicit privacy controls beyond standard permissions noted in app description (privacy details not provided)
SD Card Test is a tools app developed by Zoltán Pallagi.
Install Statistics
SD Card Test has been installed 2 million times. In the last 30 days, the app was installed 16 thousand times.
User Ratings
SD Card Test is rated 3.86 out of 5 stars. The rating is based on 7.5 thousand ratings.
App Information
SD Card Test is freely available from Google Play. The app size is 4.79 MB. The latest version available is 4.1. The last update was on September 7, 2026.
Technical Requirements
SD Card Test requires Android 6.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since January 2017.
Description by Zoltán Pallagi(from Google Play)
Use the best SD speed test tool! Test the speed of internal or external storage, sd card!
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It worked well it could review if the memory card I tested was genuine or fake, because clearly at 10mb/s to 16mb/s speed on a 128gb would be a big sign its fake .it even took 10 mins to read 8000mb data so this app really helped.
★★★★★Tony Coates· Jan 29, 2026
An excellent very useful tool to verify the class of SD and Micro SD cards. Would prefer if the default source to test was external drive and not the local drive, several times I tested my phone's internal drive instead to the SD card after changing some settings.
★☆☆☆☆Evelyn Jorgensen· Jun 6, 2026
Won't do the test to detect fake storage space unless you pay for the premium version.
★☆☆☆☆Cristi Neko· Apr 7, 2026
You have hundreds of "legitimate interest" you need to manually turn off or else you give permission for them to access everything on your phone, despite you did not, but you did not know you did and will never find out which of them was since they just share it with their other partner and repeat the process.
★☆☆☆☆Justin Durham· Jan 7, 2026
*DANGER APP PLAYS UNSKIPPABLE AD DURING TEST, FORCE CLOSING CAN CORRUPT DATA. Detailed interface. All the info one could need. I have one of the little micros to usb c adapters. It detected my card and displayed all available info. The write-test was a success. HOWEVER. The app launched an AD DURING the read-test. Understandable that a free app would have ads. The ad ruined the first read-test. So I tried the test again. Only for the app to launch another ad!
Google Play Rankings for SD Card Test
This app is not ranked
Technologies used by SD Card Test
12 permissions·20 libraries
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Each subscription will automatically renew 3 days before the expiration date for
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