I have used Neo Backup before, worked well enough.
Never heard of DataBackup before but their github page doesn't convince me:
Features
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๐ Multi-user Support
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โ๏ธ Cloud
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๐ 100% Data Integrity
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โก Fast
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โ๏ธ Easy
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๐น ...
1 isn't a feature 3 doesn't tell me much of anything 3 is a lie and not even logically sound (not even google has 100% data integrity guarantee but this project has?) 4 is barely a feature and missing context or benchmarks 5 easy isn't a feature 6 what?
Their website and app store pages also have very little content. Meanwhile Neo Backup has tons of docs, infos and I've seen more people use it.
Tldr: Use NeoBackup