How to implement In-App Purchases Subscription in Flutter?


I want to provide auto renewable subscription in my Flutter App for both iOS and Android devices. Users can subscribe for 1 Month.

There is not an officially maintained in-app purchase plugin yet. But there are lots of plugins about In-App Purchases in Flutter.

Which one is the best? How to implement? Are these secure?


==== UPDATE from 11.03.2020

Hi, I can see this post still reading by people who looking for a
method of how to work with subscription in Flutter. During 2019 I made
two apps with thousands install where users can buy a renewable
subscription on the 2 platforms. Until February 2020 I used for this
package from Flutter team,
BUT – there is no way to get info about the user to unsubscribe in
iOS. This is not the plugin issue, but the iOS approach for the
process. We should implement our own backend for security reasons (by
the way Google also recommends to do the same, but still left the way
to check the state directly from the app).

So, after some researches, I found guys who made backend and plugin
and it is free until you have less than 10 000 USD revenue for the

I’ve implemented this plugin in my apps and it works like a charm.
There is some good approaches that allow you to get a subscription
state at any point in the app. I’m going to make an example and
article, but not sure about the timing.

==== UPDATE from 03.10.2019

I recommend using new package from Flutter

The example with code is here

With this plugin I successfully implemented payments and recursive
subscriptions to Android and iOS simultaneously. With the old package I
had some minor issues.

You can use nice plugin flutter_inapp_purchase

I’ve used it for the app that I developed and it works well. You can use my example of how to work with subscription – github
There is a complete working example – when you run it, you should get the screen

enter image description here

(do not forget to log in to Google play in an emulator or you will get “in-app billing version 3 NOT supported”)

Answered By – awaik

Answer Checked By – Terry (FlutterFixes Volunteer)

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