SD Card Test

SD speed test tool! Detect fake SD Card! Don't lose your footage to a bad card!

pzolee · com.pzolee.sdcardtester

5.0 out of 5 (2 ratings) 1M+ downloads v4.1 4.8 MB Android 6.0+ PEGI 3 · Everyone

Download APK 4.8 MB All versions

Same certificate as v3.4, which matches Google Play Details

Watch the SD Card Test trailer on YouTube

At a glance

Latest version: v4.1 (101)
Updated: Sep 27, 2026 (12 days ago)
APK size: 4.8 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Tools (app)
Listed since: Aug 7, 2019 (at least)
Permissions: 10
Website: android-utils-81fa8.web.app
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

SD Card Test is an app by pzolee in the Tools category, listed since at least August 2019. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 10 permissions, none of them sensitive. Compared with version 3.7, it drops 2 permissions: “Read shared storage” and “Modify shared storage”. The app can read the advertising ID that ad and analytics services use.

What's new in v4.1

Targeting Android 17 Bug fixes

Description

From the listing uploaded by “catappult”.

Use the best SD speed test tool! Test the speed of internal or external storage, sd card! Highlighted features: ✔ Measure the speed of your external (removable) SD card ✔ Measure the speed of your internal storage or any disks ✔ Read/write tests using several different combinations. ✔ Show storage type: eMMC, UFS 2.0 and 2.1 or higher ✔ Show class: Class 2, Class 4, Class 6, Class 10, UHS-I, UHS-II and UHS-III ✔ Supporting several file systems like ext4, exFAT or FAT/FAT32. ✔ Support portable and adoptable storage as well ✔ Show storage details: free space, total space, mount options, device name Supported memory cards: * Basically any sd cards: Micro SD, SDHC and SDXC * built-in memory (card) Good to know: ✔ If the sd card is formatted as adoptable storage, the app may unable to access it directly. In that case either move the app to the adoptable storage (change the install storage), or format the storage as portable storage. Note: if you measure slow speed, this is not the fault of the app. This is the reality of your phone. Common reasons: fake sd card, slow sd card reader/hardware problems of the phone, software problems. Easy to use even for beginners. Quick tests.

Version history

6 versions are listed, going back to v3.3.

v4.1 LATEST Sep 27, 2026 4.8 MB TRUSTED v3.7 Aug 31, 2026 5.3 MB TRUSTED v3.6 Aug 31, 2026 5.3 MB TRUSTED v3.5 Aug 31, 2026 5.3 MB TRUSTED v3.4 Aug 31, 2026 4.8 MB TRUSTED

All 6 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “Unknown” This is the certificate of the Google Play version.
Same certificate as v3.4, which matches Google Play v3.4

Store checks and file details

Developer signature verified Sep 26, 2026
Signed byCN=Zoltan Pallagi, OU=Unknown, O=Unknown, L=Budapest, ST=Hungary, C=HU
Signing certificate (SHA-1)7D:41:5E:FF:CA:78:AD:C6:19:B8:39:F1:0F:0D:D7:F6:A3:5E:46:AB
File MD53338cfb22a23e20637110984ea543cc9
Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (3 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (10)

SD Card Test requests 10 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) com.pzolee.sdcardtester.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

SD Card Test APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the SD Card Test APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as version 3.4, whose signature matches the Google Play version. After downloading, check that the file's MD5 is 3338cfb22a23e20637110984ea543cc9.