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# App size in the managed workflow
A documented [limitation](https://docs.expo.io/introduction/why-not-expo/) of
managed workflow apps is that the minimum size of the standalone app binary
is not as small as a bare React Native "Hello, world!" - it's in the 15mb to
20mb range. In this post I'm going to answer some common questions that Expo
users have about app size, explain why things work how they do, and discuss
some strategies for reducing your app size and limiting growth.
## How the managed workflow works currently
If you're already familiar with how the managed workflow works, then jump ahead
to the recommendations section.
### Understanding the managed workflow through a car metaphor
Let's [use a metaphor](https://youtu.be/K8MF3aDg-bM?t=13849) to make this
easier to think about: if the native iOS and Android parts of a React Native
has a steering wheel that the driver can use to tell it which way to go, gas