The VB-MAPP iOS APP has been optimized for use on the iPad Air, iPhone 6, iPod Touch 6th Generation and newer devices.

While the App will work on older iOS devices, you may experience degraded performance.

The following list contains all devices that will run the VB-MAPP iOS App.  Devices in Italics are supported, however you may experience degraded performance.

• iPad 2, iPad 3rd Generation, iPad Mini, iPhone 4S, iPod Touch 5th Generation
• iPad 4th Generation, iPhone 5, iPhone 5C
• iPad Air, iPad Mini2 (Retina Display), iPhone 5S
• iPad Air 2, iPad Mini 3, iPhone 6, iPhone 6+
• iPad Mini 4, iPad Pro 1st 12.9" & 9.7", iPhone 6S, iPhone 6S+, iPhone SE
• iPad 2017, iPad Pro 2nd 12.9" & 10.5", iPhone 7, iPhone 7+
• iPad 2018, iPhone8, iPhone 8+, iPhone X, iPod Touch 6th Generation

Also, if you are using a device that has been Jailbroken, you may experience slower running apps since the device now allows for apps to run in the background, using more of the CPU.