# Performance question for big application

**URL:** <https://forum.adalo.com/t/performance-question-for-big-application/41481>\
**Category:** Get Help\
**Created:** [August 21, 2023, 8:48am UTC](https://forum.adalo.com/t/performance-question-for-big-application/41481 "2023-08-21T08:48:44Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Annaniya](https://avatars.discourse-cdn.com/v4/letter/a/bc79bd/32.png) [@Annaniya](https://forum.adalo.com/u/Annaniya)\
**Post date:** [August 21, 2023, 8:48am UTC](https://forum.adalo.com/t/performance-question-for-big-application/41481/1 "2023-08-21T08:48:44Z")

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Hello, I have developed a big application (with 500+screens & 300+database collection) and almost 100k records, and I was wondering what the performance on android phone would look like. Can any one help me?

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**Author:** ![mohmdfawzi](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.adalo.com/mohmdfawzi/32/31383_2.png) [@mohmdfawzi](https://forum.adalo.com/u/mohmdfawzi)\
**Post date:** [August 22, 2023, 6:23am UTC](https://forum.adalo.com/t/performance-question-for-big-application/41481/2 "2023-08-22T06:23:45Z")

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Hello,  
I believe it all depends on how you built it, how complex are the screens and how many actions per button , … etc

Why wondering? build the app and test it to see how it goes

I have an app with around 140 screens , 50+ collections and some of them with 10s of thousands of records and the app is performing well

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**Author:** ![Annaniya](https://avatars.discourse-cdn.com/v4/letter/a/bc79bd/32.png) [@Annaniya](https://forum.adalo.com/u/Annaniya)\
**Post date:** [August 22, 2023, 8:00am UTC](https://forum.adalo.com/t/performance-question-for-big-application/41481/3 "2023-08-22T08:00:05Z")

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Okay I will! But I’ve got a a custom list in every screen(it’s comment with profile picture and toggle to like the comment) should I change it before publishing? Because I’ve seen on the forum a custom list affects android performance a lot. And considering I’ve got more than 50+pictures in a single screen + the custom list , I’m a bit worried about the performance. Thank you!

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**Author:** ![mohmdfawzi](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.adalo.com/mohmdfawzi/32/31383_2.png) [@mohmdfawzi](https://forum.adalo.com/u/mohmdfawzi)\
**Post date:** [August 22, 2023, 9:17am UTC](https://forum.adalo.com/t/performance-question-for-big-application/41481/4 "2023-08-22T09:17:36Z")

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you have to try it internally before publishing to app store

custom list is okay on android if it is done properly, 50+ picture is also fine if you are using “Lazy loading”

in general yes there is a performance considerations specially on old android phones, that’s why you need to test it on different phones before publishing

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**Author:** ![system](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.adalo.com/system/32/40401_2.png) [@system](https://forum.adalo.com/u/system)\
**Post date:** [September 1, 2023, 9:18am UTC](https://forum.adalo.com/t/performance-question-for-big-application/41481/5 "2023-09-01T09:18:29Z")

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Closed on September 1, 2023, 9:18am UTC

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