Mobile Specifications

Whether you are using mobile devices to access hh2 apps or to access hh2 solutions over the web, look below to find our requirements to properly use hh2 Cloud Services over your mobile platform.

iOS 13.4 or later. We recommend iOS 15.0 or later for an improved experience.

Android 9.0+ or later. We recommend Android 12.0 or later.
Must have at least 2 GB of RAM
* Devices not running the required OS will not be supported unless upgraded.
** If the device is offline, app features will be limited until a network connection has been established.

Apple (any of the following):
Latest iOS, Latest iPad OS
12.9 Pro, 9.7 Pro, 10.5 Pro, 12.9 Pro 2nd Gen, 11 Pro, 12.9 Pro 3rd Gen
Air 2, Air 3rd Gen
iPad 5th Gen, iPad 6th Gen
iPad Mini 4, Mini 5
iPhone SE, 6S, 6S+, 7, 7+, 8, 8+, X, XR, XS, XS Max, 11, 11 Pro
* If you have older devices you will need to upgrade them.

Android Web (must have a supported OS and Web Browser):
Pie (9.0), 10 and 11
Google Chrome web browser (free download from the Google Play Store)

Android App (We only officially support devices with stock or vanilla Android)
Oreo (8.0, 8.1), Pie (9.0), 10 and 11
Nexus Phones 6P
Nexus 9 Tablet
Samsung Galaxy Phone S5, S6, S7, S8, S9, Note 4, Note 5
Samsung Galaxy Tab A 8.0, Tab A 9.7
Google Pixel/XL, Pixel 2/XL, Pixel 3/XL
* If you have older devices and/or customized versions of Android, you might need to upgrade them.

* devices must be capable of updating to the latest version of its operating system or they will not be supported

Desktop/Laptop Specifications

Each user accessing our services from the web should have a computer that meets the specifications listed below in order to properly use our services. Microsoft Surface Pro and Microsoft Surface Book are supported using the latest version of the MS Edge browser and Google Chrome.

Apple (any of the following):
Latest OS from Windows or Apple
Dual-Core processor
The latest build of the following browsers:
     MS Edge
     • Google Chrome
     Apple Safari

Server Specifications

To ensure seamless data synchronization with hh2 Cloud Services, it's essential to install the hh2 Synchronization Client directly on your accounting system server. To guarantee full support, your server must meet the minimum specifications outlined below. Should your server fall short of these specifications, you can still use hh2 Cloud Services, but please be aware that it will be at your own risk. In the event of any issues that our support team suspects are related to server specifications, an upgrade may be necessary to continue enjoying uninterrupted service with hh2 Cloud Services.

When considering a server upgrade, we strongly recommend ensuring that it not only meets the required specifications but also aligns with the recommended ones for an optimal experience.


  • Current generation multi-core processor* with 4+ cores; 2+ GHz
  • RAM: 16+ GB
  • Hard drive: Hard Disk Drive (HDD) or Solid State Drive (SSD) with 200 MB/seconds of sustained read/write throughput
  • Windows Server 2016 or above
  • .NET Framework 4.8


  • CPU: Current generation multi-core processor* with 8 cores; 2.4+ GHz
  • RAM: 32+ GB
  • Hard drive: Hard Disk Drive (HDD) or Solid State Drive (SSD) with 200 MB/seconds of sustained read/write throughput
  • Windows Server 2019 or above
  • .NET Framework 4.8

You must be using the latest version of your chosen accounting system along with a supported OS and web browser.

For more on server recommendations, read our Tech Specs Commentary.
For information on how hh2 manages security, please read our Security White Paper.