MathGas supports Mac App / iPhone / Android which tracking the realtime multichain Gas Price
Mac App Guide
1 Download the DMG file from link below
https://mathwallet-us.oss-us-west-1.aliyuncs.com/mathgas/MathGas.dmg
2 Copy it to Application folder
And in System Perference – Security&Privacy – Allow apps download from: select ‘App Store and identified developers’
3 Right click on ‘MathGas’ app and click ‘Open’
4 Confirm ‘Open’ in the popup
If you cannot open the app, you may need to change the Mac app security settings in:
System Preference – Security & Privacy – General – App Store and identified developers
5 Click ‘Settings’ icon, you can switch different blockchains including Ethereum, BSC, Polygon, Fantom, OKExChain, Heco, etc
iPhone/Android Guide
MathGas on iPhone and Android work as widgets, you can add multiple widgets to display different chain’s gas price information
1 Install MathWallet5 app from https://mathwallet.org
2 Add widget to the phone
![](http://qiniu.eth.fm/2021-11-05-1.jpeg)
On iOS you can click Edit Widget
![](http://qiniu.eth.fm/2021-11-05-2.png)
Then change the Network Type to different chain
![](http://qiniu.eth.fm/2021-11-05-3.jpeg)
![](http://qiniu.eth.fm/2021-11-05-4.jpeg)
On Android you can click the widget and change the settings
![](http://qiniu.eth.fm/2021-11-12-photo_2021-11-12_18-04-11.jpg)
![](http://qiniu.eth.fm/2021-11-12-photo_2021-11-12_18-04-22.jpg)