How to make an input mask simulating money with ionic 2?

For the number of decimal places, you can use the% s of the angular filter itself:

{{ value_expression | number [ : digitsInfo [ : locale ] ] }}

In your example, you could use:

{{ 1000 | number : '.2' }}

For the number format to be "." for separating thousands, and "," to separate the decimal places, include in html :

import { LOCALE_ID } from '@angular/core';
...
@NgModule({
...
  providers: [
  ...
    { provide: LOCALE_ID, useValue: 'pt-BR' }
  ]

The ion-currencymask plugin helped me a lot for this purpose.