Jazz Disk Bench Pro7.1.1 - App Store
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Publisher Description
Jazz Disk Bench is a pro-grade storage performance measurement tool designed for SSDs, SD cards, and internal/external storage. Get accurate data on your device's throughput with industry-standard testing methods.
Key Features:
* Sequential Speed Test: Measure peak performance for copying large files (movies, games, etc.).
* 4K Random IOPS: Evaluate system responsiveness. Low random performance is often the root cause of device lag.
* Pro Stress Test: Push your storage to the limit with 2GB-100GB tests to check stability and "real" NAND speed after cache exhaustion.
* External Storage Support: Fully compatible with USB drives and SD cards via custom folder selection.
Benchmark Details:
* Sequential Test: Reads/writes 16MB blocks sequentially. Perfect for testing raw transfer speeds.
* Random Test (4K): Reads/writes 4KB blocks at random locations. This reflects how fast your OS launches apps and handles small files.
* Stress Test: Sequentially writes massive data (up to 100GB). Ideal for pro users to test SLC cache size and sustained NAND write performance.
Note: For external storage tests, ensure a stable connection and write permissions.
Version History Bug fixes and performance improvements 7.1.1 Jun 16 Optimized for iOS 26 and bug fixes. 7.1.0 Mar 18 External storage permission fix 7.0.2 03/01/2024 *Bug fixes
*Fix Chinese language support 7.0.0 01/07/2024 Compare button color fix. 6.5.1 12/05/2022 Compare button color fix. 6.5.0 12/03/2022 Temporary hide language setting due to bug of language switch.
Support memory cache detect.
Fix the bug that some button text are not readable when in dark mode. 6.4.1 11/21/2022 Dark mode optimization.
Add Chinese language support. 6.4.0 11/20/2022 Support compare between different devices! 6.2.0 11/17/2022 Add update button on benchmark results page. 6.1.0 11/13/2022 Results browser is supported now! 6.0.0 11/11/2022 *Add storage capacity info
*More accurate model info
*Allow submit benchmarks to server 5.7.1 11/11/2022 * iOS 16.1 support.
* UI Optimization for iPadOS when used in window mode 5.6.0 11/06/2022 * Add phone model info
* Fix crash on some devices
* Update tab icon
* External storage benchmark optimization 5.4.0 09/28/2022 *Benchmark for external storage is now supported. 5.2.0 09/21/2022 *New tabbed design for easier use
*New Stress test(2-100GB): test stability of storage and the speed of SSD after cache is used up.
*Bug fix. 5.0.2 09/19/2022 *New tabbed design for easier use
*New Stress test(2-100GB): test stability of storage and the speed of SSD after cache is used up. 5.0 09/18/2022 Bug fix. 3.0.6 08/12/2022 Bug fix. 3.0.5 08/09/2022 Add support for IOS 15
Native support for M1 chips. 3.0.1 05/30/2022 1.iPhone X/XS/XS Max/XR support
2.Optimize 4k test
3.Remove score 2.0 02/14/2019 1.0.1 10/21/2017
About Jazz Disk Bench Pro
The company that develops Jazz Disk Bench Pro is Baofeng County Jixu Education Information Consulting Co., Ltd.. The latest version released by its developer is 7.1.1.
To install Jazz Disk Bench Pro on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Jazz Disk Bench Pro as malware if the download link is broken.
How to install Jazz Disk Bench Pro on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Jazz Disk Bench Pro is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Jazz Disk Bench Pro is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
General
System requirements
Download information
Pricing
Version History
version 7.1.1
posted on 2026-10-13
Version History Bug fixes and performance improvements 7.1.1 Jun 16 Optimized for iOS 26 and bug fixes. 7.1.0 Mar 18 External storage permission fix 7.0.2 03/01/2024 *Bug fixes
*Fix Chinese language support 7.0.0 01/07/2024 Compare button color fix. 6.5.1 12/05/2022 Compare button color fix. 6.5.0 12/03/2022 Temporary hide language setting due to bug of language switch.
Support memory cache detect.
Fix the bug that some button text are not readable when in dark mode. 6.4.1 11/21/2022 Dark mode optimization.
Add Chinese language support. 6.4.0 11/20/2022 Support compare between different devices! 6.2.0 11/17/2022 Add update button on benchmark results page. 6.1.0 11/13/2022 Results browser is supported now! 6.0.0 11/11/2022 *Add storage capacity info
*More accurate model info
*Allow submit benchmarks to server 5.7.1 11/11/2022 * iOS 16.1 support.
* UI Optimization for iPadOS when used in window mode 5.6.0 11/06/2022 * Add phone model info
* Fix crash on some devices
* Update tab icon
* External storage benchmark optimization 5.4.0 09/28/2022 *Benchmark for external storage is now supported. 5.2.0 09/21/2022 *New tabbed design for easier use
*New Stress test(2-100GB): test stability of storage and the speed of SSD after cache is used up.
*Bug fix. 5.0.2 09/19/2022 *New tabbed design for easier use
*New Stress test(2-100GB): test stability of storage and the speed of SSD after cache is used up. 5.0 09/18/2022 Bug fix. 3.0.6 08/12/2022 Bug fix. 3.0.5 08/09/2022 Add support for IOS 15
Native support for M1 chips. 3.0.1 05/30/2022 1.iPhone X/XS/XS Max/XR support
2.Optimize 4k test
3.Remove score 2.0 02/14/2019 1.0.1 10/21/2017
version 7.1.0
posted on 2026-06-03
Version History Optimized for iOS 26 and bug fixes. 7.1.0 Mar 18 External storage permission fix 7.0.2 03/01/2024 *Bug fixes
*Fix Chinese language support 7.0.0 01/07/2024 Compare button color fix. 6.5.1 12/05/2022 Compare button color fix. 6.5.0 12/03/2022 Temporary hide language setting due to bug of language switch.
Support memory cache detect.
Fix the bug that some button text are not readable when in dark mode. 6.4.1 11/21/2022 Dark mode optimization.
Add Chinese language support. 6.4.0 11/20/2022 Support compare between different devices! 6.2.0 11/17/2022 Add update button on benchmark results page. 6.1.0 11/13/2022 Results browser is supported now! 6.0.0 11/11/2022 *Add storage capacity info
*More accurate model info
*Allow submit benchmarks to server 5.7.1 11/11/2022 * iOS 16.1 support.
* UI Optimization for iPadOS when used in window mode 5.6.0 11/06/2022 * Add phone model info
* Fix crash on some devices
* Update tab icon
* External storage benchmark optimization 5.4.0 09/28/2022 *Benchmark for external storage is now supported. 5.2.0 09/21/2022 *New tabbed design for easier use
*New Stress test(2-100GB): test stability of storage and the speed of SSD after cache is used up.
*Bug fix. 5.0.2 09/19/2022 *New tabbed design for easier use
*New Stress test(2-100GB): test stability of storage and the speed of SSD after cache is used up. 5.0 09/18/2022 Bug fix. 3.0.6 08/12/2022 Bug fix. 3.0.5 08/09/2022 Add support for IOS 15
Native support for M1 chips. 3.0.1 05/30/2022 1.iPhone X/XS/XS Max/XR support
2.Optimize 4k test
3.Remove score 2.0 02/14/2019 1.0.1 10/21/2017
version 7.1.0
posted on 2026-03-18
Optimized for iOS 26 and bug fixes.
version 7.0.2
posted on 2024-03-01
Mar 1, 2024
Version 7.0.2
bug fix
version 7.0.2
posted on 2024-03-01
External storage permission fix
Disclaimer
Official App Store Link
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