# stability testing of Cesium app on mobile devices

**URL:** <https://community.cesium.com/t/stability-testing-of-cesium-app-on-mobile-devices/3086>\
**Category:** CesiumJS\
**Created:** [September 20, 2015, 3:59am UTC](https://community.cesium.com/t/stability-testing-of-cesium-app-on-mobile-devices/3086 "2015-09-20T03:59:52Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Kevin\_Sun](https://avatars.discourse-cdn.com/v4/letter/k/f1d935/32.png) [@Kevin\_Sun](https://community.cesium.com/u/Kevin_Sun)\
**Post date:** [September 20, 2015, 3:59am UTC](https://community.cesium.com/t/stability-testing-of-cesium-app-on-mobile-devices/3086/1 "2015-09-20T03:59:52Z")

</div>

After testing my sample app on many mobile devices (Android and iOS)  
and web browsers, I conclude the following observations for reference:

(The tested web site: [http://210.241.90.223/apps/demo.html](http://210.241.90.223/apps/demo.html))

1. 

```
 Android

```

v.s. iOS:

(1) Android  
devices:

All devices work fine.

(2) iOS  
devices:

a. device on Landscape mode:

all devices work fine.

b. device on Portrait mode:

(a) normal  
screen mode: error occurred(or unstable) on all iOS devices.

[![](https://lh3.googleusercontent.com/-K9N8yMF82ek/Vf4uY1VCzDI/AAAAAAAAA4s/6l43zw2aQTg/s320/Screenshot_2015-09-20-08-19-19.jpg)](https://lh3.googleusercontent.com/-K9N8yMF82ek/Vf4uY1VCzDI/AAAAAAAAA4s/6l43zw2aQTg/s1600/Screenshot_2015-09-20-08-19-19.jpg)

(b) full screen mode: all  
devices work fine.

1. 

```
 Performance

```

on rendering the OSM base map

devices on  
Landscape mode get better performance than that on Portrait mode.

1. 

```
 bgltf v.s.

```

gltf

(1) gltf:  
stable on mobile device and web browser.

[http://210.241.90.223/apps/demo2.html](http://210.241.90.223/apps/demo2.html)

(2) bgltf: unstable on mobile  
device, but stable on web browser.

[http://210.241.90.223/apps/3DNavEn.html](http://210.241.90.223/apps/3DNavEn.html)

[![](https://lh3.googleusercontent.com/-uPdqYdsVwUI/Vf4uumwN3FI/AAAAAAAAA48/znxbx4xjLb4/s320/Screenshot_2015-09-14-22-46-13.jpg)](https://lh3.googleusercontent.com/-uPdqYdsVwUI/Vf4uumwN3FI/AAAAAAAAA48/znxbx4xjLb4/s1600/Screenshot_2015-09-14-22-46-13.jpg)