# Why are data viewer list so slow ? =\> clones for ever?

**URL:** <https://community.thunkable.com/t/why-are-data-viewer-list-so-slow-clones-for-ever/2223262>\
**Category:** Questions about Thunkable X\
**Created:** [January 15, 2023, 1:53pm UTC](https://community.thunkable.com/t/why-are-data-viewer-list-so-slow-clones-for-ever/2223262 "2023-01-15T13:53:41Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![bibbi](https://avatars.discourse-cdn.com/v4/letter/b/db5fbb/32.png) [@bibbi](https://community.thunkable.com/u/bibbi)\
**Post date:** [January 15, 2023, 1:53pm UTC](https://community.thunkable.com/t/why-are-data-viewer-list-so-slow-clones-for-ever/2223262/1 "2023-01-15T13:53:41Z")

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hi

you have to put it into perspective: it all depends on the power of the device on which the application is running, for example in preview mode my application runs faster on an ipad air 3 than on my android device and since not everyone has a device with 36 hearts I have to turn to the use of clones that’s why I’m looking for an effective recent tutorial for the creation of clones

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**Author:** ![system](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/0/f/0f59f292712368bce16ff80133ae10de8a6f27e8.png) [@system](https://community.thunkable.com/u/system)\
**Post date:** [April 15, 2023, 1:54pm UTC](https://community.thunkable.com/t/why-are-data-viewer-list-so-slow-clones-for-ever/2223262/2 "2023-04-15T13:54:19Z")

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Closed on April 15, 2023, 1:54pm UTC

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